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Final Muscles Flashcards

1
Q

Latissimus Dorsi Action

A
  1. Extend shoulder
  2. Adduct shoulder
  3. Internally rotate shoulder
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2
Q

Latissimus Dorsi Proximal Attachment

A
  1. Spinous process of T7 to T12
  2. Thoracolumbar fascia
  3. Iliac Crest
  4. Inferior 4 ribs
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3
Q

Latissimus Dorsi Distal Attachment

A
  1. Floor of intertubercular sulcus of humerus
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4
Q

Latissimus Dorsi Innervation

A
  1. Thoracodorsal nerve (C6, C7, C8)
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5
Q

Trapezius Proximal Attachment

A
  1. External Occipital protuberance
  2. Medial 1/3 superior nuchal of occiput
  3. Liagamentum Nuchae
  4. Spinous Process of C7 to T12
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6
Q

Trapezius Distal Attachment

A
  1. Lateral 1/3 clavicle
  2. Acromion
  3. Spine of scapula
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7
Q

Trapezius Innervation

A
  1. Motor: Spinal Accessory Nerve CN 11
  2. Sensory: Ventral Ramus C3 and C4
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8
Q

Upper Trapezius Action

A
  1. Bilaterally extend head and neck
  2. Unilaterally laterally flex head and neck to same side
  3. Rotate head and neck to opposite sides
  4. Elevate scapula
  5. Upwardly rotate scapula
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9
Q

Middle Trapezius Action

A
  1. Adduct scapula
  2. Stabilize scapula
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10
Q

Lower Trapezius Action

A
  1. Depress scapula
  2. Upwardly rotate scapula
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11
Q

Levator Scapulae Proximal Attachment

A
  1. Posterior tubercles of transverse processes of C1 to C4
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12
Q

Levator Scapulae Distal Attachment

A
  1. Medial border of scapula between superior angle and root of spine of scapula
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13
Q

Levator Scapulae Innervation

A
  1. Cervical (C3, C4)
  2. Dorsal Scapular nerve (C4, C5)
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14
Q

Levator Scapulae Action

A
  1. Unilaterally elevate scapula
  2. Unilaterally downwardly rotate scapula
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15
Q

Rhomboid Major/Minor Proximal Attachment

A

Minor: 1. Nuchal Ligament
2. Spinous process of C7 to T1
Major: Spinous process of T2 to T5

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16
Q

Rhomboid Major/Minor Distal Attachment

A

Minor: Medial border of spine of scapula
Major: Medial border of scapula between spine and inferior angle

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17
Q

Rhomboid Major/Minor Innervation

A

Dorsal Scapular Nerve (C4, C5)

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18
Q

Rhomboid Major/Minor Action

A
  1. Adduct/Retract scapula
  2. Downwardly rotate scapula
  3. Fix scapula to thoracic wall
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19
Q

Deltoid Action

A
  1. Anterior: Flexes and medially rotates arm
  2. Middle: Abducts arm
  3. Posterior: Extends and laterally rotates arm
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20
Q

Deltoid Proximal Attachment

A

1.Clavicle
2. acromion
3. Spine of scapula

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21
Q

Deltoid Distal Attachment

A

Deltoid tuberosity

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22
Q

Deltoid Innervation

A

Axillary Nerve (C5, C6)

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23
Q

Pectoralis Major Action

A
  1. Adducts and medially rotates humerus
  2. Protracts/Draws scapula Anteriorly and inferiorly
  3. Clavicular head: flexes humerus
  4. Sternocostal head: extends humerus
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24
Q

Pectoralis Major Proximal Attachment

A

Clavicular head: 1. Clavicle
Sternocostal head: 1. Sternum
2. Ribs 1 to 6 costal cartilage
3. External oblique

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25
Pectoralis Major Distal Attachment
Lateral lip of intertubercular sulcus of humerus
26
Pectoralis Major Innervation
1. Lateral and Medial pectoral nerves Clavicular head: C5, C6 Sternocostal head: C7, C8, T1
27
Pectoralis Minor Action
1. Stabilizes scapula 2. Tilt scapula anteriorly 3. Assist elevate thorax during forced inhalation
28
Pectoralis Minor Proximal Attachment
1. Ribs 3 to 5 near costal cartilage
29
Pectoralis Minor Innervation
1. Medial pectoral nerve (C8, T1) 2. Lateral pectoral nerve
30
Infraspinatus Action
RC 1. Externally rotates shoulder (main) 2. Stabilize head of humerus
31
Infraspinatus Proximal attachment
1. Infraspinatus fossa
32
Infraspinatus Distal attachment
1. Greater tubercle of humerus
33
Infraspinatus Innervation
Suprascapular nerve (C5, C6)
34
Teres Major Action
1. Adduct shoulder 2. Internally rotates shoulder
35
Teres Major Proximal attachment
1. Posterior surface of inferior angle of scapula
36
Teres Major Distal attachment
Medial lip of intertubercular sulcus of humerus
37
Teres Major Innervation
Lower Subscapular nerve (C5, C6)
38
Supraspinatus Action
RC 1. Initially assists deltoid in abduction 2. Stabilize head of humerus
39
Supraspinatus Proximal attachment
Supraspinatus fossa
40
Supraspinatus Distal attachment
Greater tubercle of humerus
41
Supraspinatus Innervation
Suprascapular nerve (C4, C5, C6)
42
Teres Minor Action
RC 1. Externally rotate shoulder 2. Stabilize head of humerus
43
Teres Minor Proximal attachment
Lateral border of scapula
44
Teres Minor Distal Attachment
Greater tubercle of humerus
45
Teres Minor Innervation
Axillary Nerve (c5, c6)
46
Subscapularis Action
RC 1. Internally rotate shoulder 2. Stabilize head of humerus
47
Subscapularis Proximal attachment
Subscapular fossa
48
Subscapularis Distal attachment
Lesser tubercle of humerus
49
Subscapularis Innervation
Upper and lower subscapular nerve ( c5, c6, c7)
50
Serratus Anterior Action
1. Protracts scapular joint 2. Upwardly rotates scapula 3. Holds scapula against thoracic wall.
51
Serratus Anterior proximal attachment
Lateral parts of ribs 1- 9
52
Serratus Anterior distal attachment
Anterior Medial border of scapula
53
Serratus Anterior innervation
Long thoracic nerve (C-5, C6, C7)
54
Pectoralis Minor Distal Attachment
1. Coracoid process
55
Splenius Capitus proximal attachment
1. Nuchal ligament 2. SP of C7 to T6.
56
Splenius Capitus distal attachment
1. Mastoid process of temporal bone. 2. Lateral 1/3 of superior nuchal line of occipital bone.
57
Splenius Capitus innervation
Dorsal Rami of spinal nerves
58
Splenius Capitus action
1. Unilaterally laterally flexes neck 2. Unilaterally, rotates head ipsilaterally. 3. Bilaterally extends head and neck.
59
Splenius Cervicis proximal attachment
1.Nuchal ligament 2. SP of a C7 through T6.
60
Splenius Cervicis distal attachment
Tubercles of TP of C1 to C4
61
Splenius Cervicis innervation
Dorsal Rami of spinal nerves
62
Splenius Cervicis action
1. unilaterally laterally flexes neck. 2. Unilaterally Rotates head ipsilaterally. 3. Bilaterally Extends head and neck.
63
Iliocostalis proximal attachment
1. Thoracolumbar fascia 2. Posterior surface of sacrum. 3. SP of T 11 and T 12 and all of lumbar. 4. Iliac crest
64
Iliocostalis distal attachment
1. Lower rib angles. 2. Cervical TP.
65
Iliocostalis innervation
Dorsal rami of spinal nerves
66
Iliocostalis action
1. Unilaterally laterally flex vertebral column ipsilaterally. 2. Bilaterally extend vertebral column.
67
Longissimus proximal attachment
1. Thoracolumbar fascia 2. Posterior surface of sacrum. 3. SP of T11, and T 12 and lumbar. 4. Iliac crest
68
Longissimus distal attachment
1. Between rib tubercles and angles. 2. Thoracic TP.
69
Longissimus innervation
Dorsal Rami, spinal nerves
70
Longissimus action
1. Unilaterally laterally flex vertebral column ipsilaterally. 2. Bilaterally extend vertebral column.
71
Spinalis proximal attachment
1. Thoracolumbar fascia 2. Posterior surface of sacrum. 3. SP of T11, and T12 and lumbar. 4. Iliac crest
72
Spinalis distal attachment
1. Upper thoracic SP. 2. Cranium.
73
Spinalis innervation
Dorsal Rami of spinal nerves
74
Spinalis action
1. Unilaterally laterally flex vertebral column ipsilaterally. 2. Bilaterally extend vertebral column.
75
Rotatores inferior attachment
TP of vertebrae
76
Rotatores superior attachment
SP of lumbar through C2
77
Rotatores innervation
Dorsal Rami of spinal nerves
78
Rotatores action
1. unilaterally rotate vertebral column contralaterally 2. Bilaterally extend vertebral column. 3. bilateral organs of proprioception
79
Multifidus inferior attachment
1. Posterior sacrum. 2. PSIS 3. Aponeurosis of erector spinae. 4. SI ligaments. 5. Mamillary processes of lumbar vertebrae. 6. TP of T1 to T3. 7. Articular process of C4 to C7.
80
Multifidus superior attachment
Run Obliquely, supermedially to entire length of SP
81
Multifidus innervation
Dorsal rami of spinal nerves
82
Multifidus action
1. Unilaterally rotate vertebral column contralaterally 2. Bilaterally extend vertebral column. 3. Stabilize his vertebrae.
83
Semispinalis Capitis inferior attachment
TP of C4 to T12
84
Semispinalis Capitis superior attachment
Runs supermediately to occipital bone, SP thoracic and cervical (4 to 6 segments)
85
Semispinalis Capitis. Innervation
Cervical dorsal Rami of spinal nerves
86
Semispinalis Capitis action
1. Rotate vertebral column contralaterally 2. Extend vertebral column.
87
Rectus Capitis Posterior Major proximal attachment
SP of C2
88
Rectus Capitis Posterior Major distal attachment
Lateral inferior nuchal line
89
Rectus Capitis Posterior Major action
1. Rock and tilt head into extension. 2. Rotate head ipsilaterally. ***
90
Rectus Capitis Posterior Minor proximal attachment
Posterior tubercle of posterior arch of C1
91
Rectus Capitis Posterior Minor distal attachment
Medial part of inferior nuchal line of occipital bone
92
Rectus Capitis Posterior Minor action
Rock and tilt head into extension
93
Suboccipital’s innervation
Suboccipital nerve (dorsal ramus of C1)
94
Oblique Capitis inferior proximal attachment
SP of C2
95
Oblique Capitis inferior distal attachment
TP C1
96
Oblique Capitis inferior action
Rotate head ipsilaterally
97
Oblique Capitis superior proximal attachment
TP of C1
98
Oblique Capitis superior Distal attachment
Occipital bone between superior and inferior nuchal lines
99
Oblique Capitis superior action
1. Rock and tilt head into extension 2. Laterally flex head ipsilaterally.
100
Sternocleidomastoid superior attachment
1. Mastoid process of temporal bone. 2. Superior nuchal line.
101
Sternocleidomastoid inferior attachment
Sternal head 1. Manubrium of sternum. Clavicular head 1. Medial 1/3 of clavicle.
102
Sternocleidomastoid innervation
1. Spinal accessory nerve. CX XI (motor) 2. C3 and C4. (pain and proprioception)
103
Sternocleidomastoid action
1. Unilaterally, laterally, flexes neck, ipsilaterally, and contralaterally rotates head 2. Bilaterally extends neck at OA joint. 3. Bilaterally, flexes, cervical vertebrae (chin to manubrium). 4. Bilaterally extends superior cervical vertebrae, while flexing inferior. 5. If cervical vertebrae are fixed, elevates manubrium.
104
Platysma superior attachment
Inferior border of mandible, skin, and subcutaneous tissues of lower face
105
Platysma inferior attachment
1. Pectoralis major. 2. Deltoid
106
Platysma innervation
1. Facial nerve CN 7
107
Platysma action
1. Drive corners of the mouth and inferiorly 2.Draws skin of neck superiorly
108
Mylohyoid proximal attachment
Mylohyoid line of mandible
109
Mylohyoid distal attachment
1. Mylohyoid raphe 2. Body of hyoid.
110
Mylohyoid innervation
1. Nerve to mylohyoid. 2. Branch of inferior alveolar nerve CN V
111
Mylohyoid action
Elevates, hyoid, floor of mouth and tongue
112
Geniohyoid proximal attachment
Inferior mental spine of mandible
113
Geniohyoid distal attachment
Body of hyoid
114
Geniohyoid innervation
1. C1 of hypoglossal nerve CN XII 2. Nerve to Geniohyoid
115
Geniohyoid action
1. Pulls hyoid anterior superiorly 2. Shortens floor of mouth. 3. Widens pharynx
116
Stylohyoid proximal attachment
Styloid process of temporal bone
117
Stylohyoid distal attachment
Body of hyoid
118
Stylohyoid innervation
Stylohyoid branch of facial nerve CN VII
119
Stylohyoid action
1.Elevates Andrew tracks hyoid 2. Elongates floor of mouth.
120
Digastric proximal attachment
Anterior belly: digastric fossa of mandible Posterior belly: mastoid notch of temporal bone
121
Digastric distal attachment
hyoid.
122
Digastric innervation
Anterior belly: 1. Nerve to Mylohyoid. 2. Branch of inferior alveolar Posterior belly: digastric branch of facial nerve
123
Digastric action
1. Depresses mandible with infrahyoids 2. Elevates and steadies hyoid during swallowing and speaking.
124
Sternohyoid proximal attachment
1. Manubrium. 2. Medial end of clavicle.
125
Sternohyoid distal attachment
Body of hyoid
126
Sternohyoid innervation
C1 to C3 branch of Ansa cervicalis
127
Sternohyoid action
Depresses hyoid after elevation, while swallowing
128
Sternothyroid proximal attachment
Posterior surface of manubrium
129
Sternothyroid distal attachment
Oblique line of thyroid cartilage
130
Sternothyroid innervation
C2 to C3 branch of Ansa cervicalis
131
Sternothyroid action
Depresses, hyoid and larynx
132
Omohyoid proximal attachment
Superior border of scapula near suprascapular notch
133
Omohyoid distal attachment
Inferior border of hyoid
134
Omohyoid innervation
C1 to C3 branch of Ansa cervicalis
135
Omohyoid action
Depresses, retracts, and steadies hyoid
136
Thyrohyoid proximal attachment
Oblique line of thyroid cartilage
137
Thyrohyoid distal attachment
1. Inferior border of body of hyoid. 2. Greater horn of hyoid.
138
Thyrohyoid innervation
1. See one via hypoglossal nerve CN XII 2. Nerve to Thyrohyoid
139
Thyrohyoid action
1. Depress, hyoid 2. elevate larynx
140
Anterior triangle
Anterior: medial line of neck Posterior: anterior border of sternocleidomastoid Superior: inferior border of mandible -Contains: Internal jugular, vagus nerve, external carotid, spinal accessory nerve CN XI, Submandibular gland, lymph nodes, hypoglossal nerve, mylohyoid nerve, facial artery and vein, Submental, lymph nodes, veins that form anterior jugular
141
Lateral triangle
Anterior: posterior surface of sternocleidomastoid Posterior: anterior trapezius Inferior : middle one third of clavicle - 1/3 subclavian artery, trunk of brachioplexus, part of subclavian vein, suprascapular artery, supraclavicular lymph nodes -External jugular, spinal accessory nerve CN XI
142
Intercostals proximal attachment
Inferior border of the rib above
143
Intercostals distal attachment
Superior border of the rib below
144
Intercostals innervation
Thoracic segmental intercostal nerve
145
Serratus, posterior superior action
Elevates ribs with inhalation
146
Serratus posterior inferior action
Depresses ribs with exhalation
147
Transverses thoracis, proximal attachment
Internal surfaces of costal cartilage is of ribs, 3-6
148
Transverses thoracis distal attachment
Inferior body of sternum, xiphoid process
149
Transverses, thoracis action
Depresses costal cartilage is (pull in)
150
Subcostales action
May depress ribs
151
Accessory respiratory muscles
Sternocleidomastoid, platysma, pectoralis major, pectoralis minor, trapezius, scalenes, serratus anterior
152
Diaphragm action
Draws down the central tendon of the diaphragm during inhalation
153
Diaphragm proximal attachment
1. Costal attachment: inner surface of lower six ribs 2. Lumbar attachment: upper 3 lumbar vertebrae. 3. Sternal attachment: inner part of xiphoid process.
154
Diaphragm distal attachment
Central tendon
155
Diaphragm innervation
Phrenic nerve C3, C4, C5. Keeps you alive.
156
Diaphragm motion, other affects
Venous return, spinal stabilization, controls intra-abdominal pressure’s, parasympathetic relaxation
157
Quadratus lumborum action
1. Unilaterally laterally, hike, pelvis 2. Unilaterally laterally flex vertebral column ipsilaterally. 3. Unilaterally extends vertebral column. 4. Bilaterally fix last rib during forced inspiration.
158
Quadratus lumborum superior attachment
12th rib and lumbar transverse processes
159
Quadratus lumborum inferior attachment
1.Iliolumbar ligament 2. internal lip of iliac crest
160
Quadratus lumborum innervation
Ventral branches of T12, L1 to L4
161
Psoas major action
1. Flex the hip 2. Externally rotate the hip. 3. Flex the trunk toward the thigh 4. Tilted pelvis anteriorly 5. Stabilize the hip joint.
162
Psoas major proximal attachment
1. T12 to L5, vertebrae and discs 2. Transverse processes of all of all lumbar vertebrae.
163
Psoas major distal attachment
Lesser trochanter of femur
164
Psoas major innervation
Ventral rami of L1, L2, L3
165
Iliacus superior attachment
1. Iliac fossa 2. Sacrum 3. Anterior sacroiliac ligaments.
166
Iliacus inferior attachment
1. Lesser trochanter. 2. Psoas tendon.
167
Iliacus innervation
Femoral L2 to L4
168
Rectus, abdominous action
1. Flex the vertebral column. 2. Compress, abdominal viscera. 3. Tilted pelvis posteriorly
169
Rectus, abdominous innervation
Thoraco abdominal nerves, (anterior rami of T6 to T 12 spinal nerves)
170
External oblique action
1. Unilaterally laterally flex vertebral column to the same side. 2. Unilaterally rotate the vertebral column to the opposite side. 3. Bilaterally flex the vertebral column. 4. Bilaterally compress, abdominal contents.
171
Internal oblique action
1. Unilaterally laterally flex vertebral column to the same side. 2. Unilaterally rotate the vertebral column to the same side. 3. Bilaterally flex the vertebral column. 4. Bilaterally compress, abdominal contents.
172
External oblique innervation
ThoracoAbdominal nerves of T7 to T11 and subcostal nerve.
173
Transverse abdominous action
Compress and support abdominal viscera -Antagonist to diaphragm with expiration
174
Transverse abdominous innervation
Thoracoabdominal nerves, and first lumbar nerve
175
Bicep Brachii Proximal Attachment
Short head: coracoid process of scapula Long Head: supraglenoid tubercle of scapula
176
Bicep Brachii Distal Attachment
1. Radial Tuberosity 2. Fascia of forearm via bicipital aponeurosis
177
Bicep Brachii Innervation
Musculocutaneous Nerve (c5, c6, c7)
178
Bicep Brachii Action
1. Supinates forearm 2. Flexes elbow Short head: resists shoulder dislocation
179
Coracobrachialis proximal attachment
Coracoid process
180
Coracobrachialis distal attachment
Middle surface of humerus
181
Coracobrachialis innervation
Musculocutaneous Nerve (c5, c6, c7)
182
Coracobrachialis action
1. Flex arm 2. Adduct Arm 3. Resists dislocation of humerus
183
Triceps Brachii Proximal Attachment
Long head: infraglenoid tubercle Lateral head: posterior surface of the humerus, superior to radial groove Medial head: posterior surface of humerus, and inferior to Radial groove.
184
Triceps Brachii Distal Attachment
1. olecranon of ulna 2. Fascia of forearm
185
Triceps Brachii Innervation
Radial nerve (c6, c7, c8)
186
Triceps Brachii Action
1. Extends elbow Long head: resists dislocation of humerus
187
Anterior Scalene Distal attachment
1st rib
188
Anterior Scalene action
1. Flex neck laterally 2. Elevate 1st rib during forced inhalation
189
Posterior Scalene Action
1. Flex neck laterally 2. Elevate 2nd rib during forced inhalation
190
Brachialis Proximal Attachment
Distal anterior surface of humerus
191
Brachialis Distal Attachment
1. Ulnar tuberosity 2. Coronoid Process
192
Brachialis Innervation
1. Musculocutaneous N. C5-C6 2. Small Branch from Radial C5 & C7
193
Brachialis Action
Flexes elbow in all positions
194
Brachioradialis Proximal Attachment
lateral supra-epicondylar ridge of humerus
195
Brachioradialis Distal Attachment
Lateral surface of distal radius proximal to styloid process
196
Brachioradialis Innervation
Radial N. (C5, C6, C7)
197
Brachioradialis Action
1. Flex elbow 2. Assits to pronate and supinate forearm when resisted
198
Anconeus Proximal Attchment
Lateral Epicondyle
199
Anconeus Distal Attachment
Lateral Olecranon
200
Anconeus Innervation
Radial (C7, C8, T1)
201
Anconeus Action
1. Assist tricep with extending elbow 2. Stabilizes elbow 3. Abduct ulna during pronation
202
Supinator Proximal Attachment
1. Lateral Epicondyle 2. Radial Collateral Lig 3. Annular Lig
203
Supinator Distal Attachment
Lateral radius
204
Supinator innervation
Posterior Interosseous N. PIN of Radial Nerve (C7, C8)
205
Supinator Action
Supinates forearm
206
Pronator Teres Proximal Attachment
1. Medial Epicondyle (common flexor tendon) 2. Coronoid Process
207
Pronator Teres Distal Attachment
Middle radius
208
Pronator Teres Innervation
Median Nerve (C6-C7)
209
Pronator Teres Action
Pronate forearm
210
Flexor Carpi Radialis Proximal Attachent
Medical Epicondyle (common flexor tendon)
211
Flexor Carpi Radialis Distal Attachment
Bases of 2-3 metacarpals
212
Flexor Carpi Radialis Innervation
Median Nerve (C6-C7)
213
Flexor Carpi Radialis Action
1. Flex the wrist 2. Radial deviation
214
Palmaris Longus Proximal Attachment
Medial Epicondyle (common flexor tendon)
215
Palmaris Longus Distal Attachment
1. Flexor retinaculum 2. Palmar Aponeurosis
216
Palmaris Longus Innervation
Median Nerve (C7-C8)
217
Palmaris Longus Action
1. Tense palmar aponeurosis 2. Flex wrist
218
Flexor Carpi Ulnaris Proximal Attachment
Humeral Head: Medial Epicondyle (Common Flexor tendon) Ulnar Head: Posterior ulna
219
Flexor Carpi Ulnaris Distal Attachment
1. Hook of hamate 2. Pisiform 3. Base of 5th metacarpal
220
Flexor Carpi Ulnaris Innervation
Ulnar Nerve (C7-C8)
221
Flexor Carpi Ulnaris Action
1.Flex wrist 2. Ulnar Deviation
222
Pronator Quadratus Proximal Attachment
1. anterior surface of distal ulna
223
Pronator Quadratus Distal Attachment
anterior surface of distal radius
224
Pronator Quadratus Innervation
Median nerve (AIN) (C8-T1)
225
Pronator Quadratus Action
1. Pronate Forearm 2. Bind radius and ulna
226
Extensor Carpi Radialis Longus Proximal Attachment
Lateral Supraepicondylar ridge
227
Extensor Carpi Radialis Longus Distal Attachment
base of 2nd metacarpal
228
Extensor Carpi Radialis Longus Innervation
Radial Nerve (C6, C7, C8)
229
Extensor Carpi Radialis Longus Action
1. Extend wrist 2. Radial Deviation 3. Fist Clenching
230
Extensor Carpi Radialis Brevis Proximal Attachment
Lateral epicondyle (Common extensor tendon)
231
Extensor Carpi Radialis Brevis Distal Attachment
Dorsal Base of 3rd metacarpal
232
Extensor Carpi Radialis Brevis Innervation
Radial Nerve (C6, C7, C8)
233
Extensor Carpi Radialis Brevis Action
1. Extend wrist 2. Radial deviation
234
Extensor Digitorum Proximal Attachment
Lateral Epicondyle (common extensor tendon)
235
Extensor Digitorum Distal Attachment
Extensor expansions of medial 4 digits
236
Extensor Digitorum Innervation
Radial Nerve (C7, C8)
237
Extensor Digitorum Action
Extends medial 4 long digits
238
Extensor Digiti Minimi (arm) Proximal Attachment
Lateral epicondyle (common extensor tendon)
239
Extensor Digiti Minimi (arm) Distal Attachment
Extensor expansions of 5th digit
240
Extensor Digiti Minimi (arm) Innervation
Radial Nerve (C7, C8)
241
Extensor Digiti Minimi (arm) Action
Extends 5th digit @MCP & IP
242
Extensor Carpi Ulnaris Proximal Attachment
lateral epicondyle (common extensor tendon)
243
Extensor Carpi Ulnaris Distal Attachment
Base of 5th metacarpal
244
Extensor Carpi Ulnaris Innervation
Radial Nerve (C7, C8)
245
Extensor Carpi Ulnaris Action
1. Extend Wrist 2. Ulnar Deviation
246
Extensor indicis Proximal Attachment
1. Posterior, distal ulna 2. Interosseous membrane
247
Extensor indicis Distal Attachment
Extensor expansion of 2nd digit
248
Extensor indicis Innervation
Radial (PIN) Nerve (C7, C8)
249
Extensor indicis Action
1. Extend 2nd digit at MCP 2. Assist to extend wrist
250
Abductor Pollicis Longus Proximal Attachment
1. Posterior surface of ulna, radius, and interosseous membrane
251
Abductor Pollicis Longus Distal Attachment
Base of 1st metacarpal
252
Abductor Pollicis Longus Innervation
Radial (PIN) Nerve (C7-C8)
253
Abductor Pollicis Longus Action
1. Radially Abduct thumb 2. Extend thumb
254
Extensor Pollicis Brevis Proximal Attachment
1. Posterior radius, 2. interosseous membrane
255
Extensor Pollicis Brevis Distal Attachment
Base of proximal phalanx of thumb
256
Extensor Pollicis Brevis Innervation
Radial (PIN) Nerve (C7-C8)
257
Extensor Pollicis Brevis Action
Extend thumb at MCP and CMC
258
Extensor Pollicis Longus Proximal Attachment
1. Posterior ulna, 2. interosseous membrane
259
Extensor Pollicis Longus Distal Attachment
Base of distal phalanx of thumb
260
Extensor Pollicis Longus Innervation
Radian (PIN) Nerve (C7-C8)
261
Extensor Pollicis Longus Action
Extend thumb at CMC, MCP, & IP
262
Flexor Digitorum Superficialis Proximal Attachment
Humero-Ulnar head: 1. Medial Epicondyle (Common flexor tendon) 2. Coronoid Process Radial Head: anterior radius
263
Flexor Digitorum Superficialis Distal Attachment
Shafts of middle phalanges of middle 4 digits
264
Flexor Digitorum Superficialis Innervation
Median Nerve (C7, C8, T1)
265
Flexor Digitorum Superficialis Action
1. Flexes middle phalanges at PIP joints 2. Flexes proximal phalanges at MCP joint
266
Flexor Digitorum Profundus Proximal Attachment
1. Proximal ulna 2. interosseous membrane
267
Flexor Digitorum Profundus Distal Attachment
Medial Part: Bases of distal phalanges of digits 4-5 Lateral Part: bases of distal phalanges of digits 2-3
268
Flexor Digitorum Profundus Innervation
Digits 2-3: Median (AIN) nerve (C8-T1) Digits 4-5: Ulnar Nerve (C8-T1)
269
Flexor Digitorum Profundus Action
1. Flex 2nd-5th fingers and MCP, PIP, & DIP 2. Assist to flex wrist with RC joint
270
Flexor Pollicis Longus Proximal Attachment
1. Anterior radius 2. adjacent interosseous membrane
271
Flexor Pollicis Longus Distal Attachment
Base of distal phalanx of thumb
272
Flexor Pollicis Longus Innervation
Median (AIN) nerve (C8-T1)
273
Flexor Pollicis Longus Action
Flexes Phalanges of 1st digit (thumb)
274
Pronator Quadratus Proximal Attachment
Medial, anterior surface of distal ulna
275
Pronator Quadratus Distal Attachment
lateral, anterior surface of distal radius
276
Pronator Quadratus Innervation
Median Nerve (AIN) (C8-T1)
277
Pronator Quadratus Action
1. Pronate forearm 2. Bind ulna and radius together
278
Flexor Pollicis Brevis Proximal Attachment
1. Flexor retinaculum 2. Tubercle of Scaphoid 3. Tubercle of trapezium
279
Flexor Pollicis Brevis Distal Attachment
base of Proximal phalanx of thumb
280
Flexor Pollicis Brevis Innervation
Superficial head: Median (recurrent branch) (c8-T1)
281
Flexor Pollicis Brevis Action
1. Flex the thumb at CMC & MCP joints 2. Assist in opposition of thumb
282
Abductor Pollicis Brevis Proximal Attachment
1. Flexor Retinaculum 2. Tubercle of scaphoid 3. Tubercle of trapezium
283
Abductor Pollicis Brevis Distal Attachment
base of proximal phalanx of thumb
284
Abductor Pollicis Brevis Innervation
Median (Recurrent Branch) (C8-T1)
285
Abductor Pollicis Brevis Action
1. Abduct the thumb at CMC and MCP joint 2. Assist in opposition of thumb
286
Opponens Pollicis Proximal Attachment
1. Flexor Retinaculum 2. Tubercle of scaphoid 3. Tubercle of Trapezium
287
Opponens Pollicis Distal Attachment
1st metacarpal
288
Opponens Pollicis Innervation
Median (recurrent branch) (c8-T1)
289
Opponens Pollicis Action
1. Oppose thumb (Draws 1st metacarpal medially Rotates 1st metacarpal medially)
290
Flexor Digiti Minimi (hand) Proximal Attachment
1. Hook of hamate 2. Flexor Retinaculum
291
Flexor Digiti Minimi (hand) Distal Attachment
base of proximal phalanx of 5th digit
292
Flexor Digiti Minimi (hand) Innervation
Ulnar nerve (deep branch) (C8-T1)
293
Flexor Digiti Minimi (hand) Action
Flex 5th digit at proximal phalanx
294
Abductor Digiti Minimi (hand) Proximal Attachment
Pisiform
295
Abductor Digiti Minimi (hand) Distal Attachment
base of Proximal Phalanx of 5th digit
296
Abductor Digiti Minimi (hand) Innervation
Ulnar Nerve (deep branch) (C8-T1)
297
Abductor Digiti Minimi (hand) Action
Abduct 5th finger at MCP joint
298
Opponens Digiti Minimi (hand) Proximal Attachment
1. hook of hamate 2. Flexor Retinaculum
299
Opponens Digiti Minimi (hand) Distal Attachment
medial border of 5th metacarpal
300
Opponens Digiti Minimi (hand) Innervation
Ulnar Nerve (deep branch) (C8-T1)
301
Opponens Digiti Minimi (hand) Action
Opposition of 5th finger at CMC joint
302
Adductor Pollicis Proximal Attachent
Oblique: 1. Bases of 2nd and 3rd metacarpals 2. Capitate 3. Adjacent Carpals Transverse: shaft of 3rd metacarpal
303
Adductor Pollicis Distal Attachment
base of proximal phalanx of thumb
304
Adductor Pollicis Innervation
Ulnar Nerve (deep branch) (C8-T1)
305
Adductor Pollicis Action
Adducts thumb
306
Palmar Interossei (hand) Proximal Attachment
Palmar surfaces of 2nd, 4th, and 5th metacarpals (3, unipennate)
307
Palmar Interossei (hand) Distal attachment
1. Bases of proximal phalanges of 2nd, 4th, and 5th digits 2. Extensor expansions of 2nd, 4th, and 5th digits
308
Palmar Interossei (hand) innervation
Ulnar Nerve (deep branch) (C8-T1)
309
Palmar Interossei (hand) Action
1. Adduct 2nd, 4th, and 5th 2. Assists lumbricals in Flexing MCP 3. Assistt lumbricals in extending IP Joints
310
Dorsal Interossei (hand) Proximal attachment
Adjacent sides of 2 metacarpals (4 bipennate)
311
Dorsal Interossei (hand) Distal Attachment
1. Bases of proximal phalanges 2. Extensor expansions of 2nd-4th digits
312
Dorsal Interossei (hand) Innervation
Ulnar nerve (deep branch) (C8-T1)
313
Dorsal Interossei (hand) Action
1. Abduct 2nd-4th digits 2. Assists lumbricals in Flexing MCP 3. Assistt lumbricals in extending IP Joints
314
Lumbricals (hand) Proximal Attachment
1st and 2nd: Lateral 2 tendons of FDP (unipennate 3rd-4th: Medial 3 tendons of FDP (bipennate)
315
Lumbricals (hand) Distal attachment
Radial sides of extensor expansions of 2nd-5th digits
316
Lumbricals (hand) Innervation
1st and 2nd: Median (digital branch)(C8-T1) 3rd-4th: Ulnar (deep branch) (C8-T1)
317
Lumbricals (hand) Action
1. Flex MCP Joint 2. Extend IP Joint of 2nd-5th
318
Pectineus proximal attachment
Superior Ramus of pubis
319
Pectineus distal attachment
Pectineal line of femur
320
Pectineus innervation
Femoral nerve L2, L3
321
Pectineus action
1. Adducts hip. 2. Slightly flex hip. 3. External rotation of hip.
322
Sartorius proximal attachment
Anterior superior iliac spine
323
Sartorius distal attachment
Pes anserine
324
Sartorius innervation
Femoral nerve. L2, L3
325
Sartorius action
1. Flex hip. 2. Abduct hip. 3. Externally rotate hip. 4. Flex knee 5. Internally rotate leg with flexed hip.
326
Gluteus maximus proximal attachment
1. posterior gluteal line of illeum 2. Dorsal surface of sacrum and coccyx. 3. Sacrotuberous ligament.
327
Gluteus maximus distal attachment
Most: IT band to Gerdy’s Tubercle Some: gluteal tuberosity
328
Gluteus maximus innervation
Inferior gluteal nerve L5, S1, S2
329
Gluteus maximus action
1. Extend hip joint. 2. Assist in lateral rotation of hip. 3. Flex hip.
330
Gluteus medius proximal attachment
Ileum between anterior and posterior gluteal lines
331
Gluteus medius distal attachment
Lateral surface of greater trochanter of femur
332
Gluteus medius innervation
Superior gluteal nerve L5, S1
333
Gluteus, medius action
1. Abduct hip. 2. Internally rotate hip. 3. Support, contralateral leg while flexing hip.
334
Gluteus minimus, proximal attachment
Ileum between anterior and INFERIOR gluteal lines
335
Gluteus minimus distal attachment
Anterior surface of greater trochanter a femur
336
Gluteus minimus innervation
Superior gluteal nerve L5, S1
337
Gluteus, minimus action
1. Abduct hip 2. Internally rotate hip. 3. Support, contralateral leg while flexing hip.
338
Tensor fasciae latae proximal attachment
1. Anterior superior iliac spine. 2. Anterior iliac crest.
339
Tensor fasciae latae distal attachment
IT band to Gerdy’s Tubercle
340
Tensor fasciae latae innervation
Superior gluteal nerve L5, S1
341
Tensor fasciae latae action
1. Internally rotate hip. 2. Abduct hip. 3. Support, contralateral leg while flexing hip.
342
Piriformis proximal attachment
1. Anterior surface of sacrum. 2. Sacrotuberous ligament.
343
Piriformis distal attachment
Greater trochanter of femur
344
Piriformis innervation
Anterior Rami S1, S2
345
Piriformis action
1. Externally rotate, extended hip. 2. Abduct hip while flexed. 3. Stabilize hip.
346
Obturator internus proximal attachment
Pelvic surface of operator membrane, and surrounding bones
347
Obturator internus distal attachment
Greater trochanter
348
Obturator internus innervation
Nerve to obturator internus L5, S1
349
Obturator internus action
1. Externally rotate, extended hip. 2. Abduct hip when flexed. 3. Stabilize hip.
350
Superior gemelli, proximal attachment
Ischial spine
351
Superior gemelli distal attachment
Greater trochanter
352
Superior gemelli innervation
Nerve to obturator internus L5, S1
353
Superior gemelli action
1. Externally rotate, extended hip. 2. Abduct hip one flexed. 3. Stabilize hip.
354
Inferior gemelli proximal attachment
Ischial tuberosity
355
Inferior gemelli distal attachment
Greater trochanter
356
Inferior gemelli innervation
Nerve to quadratic femoris L5, S1
357
Inferior gemelli action
1. Externally rotate, extended hip. 2. Abduct hip on flexed. 3. Stabilize hip.
358
Quadratus femoris proximal attachment
Ischial tuberosity
359
Quadratus femoris distal attachment
Greater trochanter
360
Quadratus femoris Innervation
Nerve to quadratus femoris L5, S1
361
Quadratus femoris action
1. Externally rotate, extended hip. 2. Stabilize hip.
362
Adductor Longus Proximal attachment
Body of pubis
363
Adductor Longus Distal attachment
Linea Aspera of femur
364
Adductor Longus Innervation
Obturator Nerve L2, L3, L4
365
Adductor Longus Action
Adducts hip
366
Adductor Brevis Proximal Attachment
1. Body of pubis 2. Inferior Ramus of pubis
367
Adductor Brevis Distal Attachment
1. Pectineal line of femur 2. Linea aspera of femur
368
Adductor Brevis Innervation
Obturator Nerve L2, L3, L4
369
Adductor Brevis Action
1. Adducts hip 2. Flexes hip
370
Adductor Magnus Proximal Attachment
Adductor Part: 1. Inferior Ramus of pubis 2. Ramus of ischium Hamstring Part: 1. Ischial tuberosity
371
Adductor Magnus Distal Attachment
Adductor Part: 1. Gluteal tuberosity 2. Linea Aspera 3. Medial Supracondylar line Hamstring Part: 1. Adductor tubercle of femur
372
Adductor Magnus Innervation
Adduction Part: 1. Obturator Nerve L2, L3, L4 Hamstring part: 1. Tibial division of sciatic nerve L4
373
Adductor Magnus Action
1. Adducts hip Adductor Part: 1. Flex hip Hamstring Part: 1. Extend hip
374
Gracilis Proximal Attachment
1. Body of pubis 2. Inferior ramus of pubis
375
Gracilis Distal Attachment
Pes anserine
376
Gracilis Innervation
Obturator Nerve L2, L3
377
Gracilis Action
1. Adducts hip 2. Flexes knee 3. Internally rotate hip when flexed
378
Obturator Externus Proximal attachment
1. Margins of obturator foramen 2. Obturator Membrane
379
Obturator Externus Distal Attachment
Greater Trochanter
380
Obturator Externus Innervation
Obturator Nerve L3, L4
381
Obturator Externus Action
1. externally rotates hip 2. Stabilizes hip
382
Rectus Femoris Proximal Attachment
1. Anterior inferior iliac spine 2. Ilium Superior to acetabulum
383
Rectus Femoris Distal Attachment
1. Quadriceps tendon to tibial tuberosity vis patella lig
384
Rectus Femoris Innervation
Femoral Nerve L2, L3, L4
385
Rectus Femoris Action
1. Extend knee 2. Stabilized Knee and hip 3. Help iliopsoas flex hip
386
Vastus Lateralis Proximal Attachment
1. Greater Trochanter 2. Lateral lip of linea aspera
387
Vastus Lateralis Distal Attachment
1. Quadriceps tendon to tibial tuberosity vis patella lig 2. Tibia and patella via aponeuroses
388
Vastus Lateralis Innervation
Femoral Nerve L2, L3, L4
389
Vastus Lateralis Action
Extends knee
390
Vastus Medialis Proximal attachment
1. Intertrochanteric line 2. Medial lip of linea aspera
391
Vastus Medialis Distal attachment
1.Quadriceps tendon to tibial tuberosity via patella lig 2. Tibial and patella via aponeuroses
392
Vastus Medialis Innervation
Femoral nerve L2, L3, L4
393
Vastus Medialis Action
Extend Knee
394
Vastus Intermedius Proximal attachment
Anterior and lateral surfaces of shaft of femur
395
Vastus Intermedius Distal attachment
1. Quadriceps tendon to tibial tuberosity via patella lig
396
Vastus Intermedius Innervation
Femoral Nerve L2, L3, L4
397
Vastus Intermedius Action
Extends knee
398
Semitendinosus Proximal attachment
Ischial Tuberosity
399
Semitendinosus Distal attachment
Pes anserine
400
Semitendinosus Innervation
Tibial division of sciatic nerve L5, S1, S2
401
Semitendinosus Action
1. Extend hip 2. Flex knee 3. Internal rotation when hip is flexed 4. Extend trunk at hip when hip and knee are flexed
402
Semimembranosus Proximal attachment
Ishichial tuberosity
403
Semimembranosus Innervation
Tibial division of sciatic nerve L5, S1, S2
404
Semimembranosus Action
1. Extend hip 2. Flex knee 3. Internal rotation when hip is flexed 4. Extend trunk at hip when hip and knee are flexed
405
Biceps Femoris Proximal Attachment
Long Head: 1. Ischial tuberosity Short Head: 1. Linea Aspera 2. Lateral supracondylar line of femur
406
Biceps Femoris Distal Attachment
Lateral side of head of fibula
407
Biceps Femoris Innervation
Long Head: 1. Tibial division fo sciatic nerve L5, S1, S2 Short Head: 1. Common Fibular division of sciatic nerve L5, S1, S2
408
Biceps Femoris Action
1. Flexes knee w/ flexion 2. External rotation w/ flexion Long Head: 3. Extends hip
409
Gastrocnemius Proximal Attachment
Medial head: 1. Popliteal surface of femur, Lateral Head: 1. lateral condyle of femur
410
Gastrocnemius Distal Attachment
Calcaneus via achilles
411
Gastrocnemius Innervation
Tibial nerve S1, S2
412
Gastrocnemius Action
1. Plantarflexes ankle when extended 2. Raises heel during walking 3. Flexes knee
413
Soleus Proximal Attachment
1. Posterior fibula 2. Soleal line 3. Medial Tibia 4. Tendinous arch b/wn bony attachments
414
Soleus Distal Attachment
Calcaneus via achilles
415
Soleus innervation
Tibial nerve S1, S2
416
Soleus Action
1. Plantarflexes ankle independent of knee 2. Stabilizes ankle
417
Plantaris Proximal Attachment
1. Lateral supracondylar line of femur 2. Oblique popliteal ligament
418
Plantaris Distal Attachment
Calcaneus via achilles
419
Plantaris Innervation
Tibial nerve S1, S2
420
Plantaris Action
Weakly asist in plantarflexion
421
Popliteus Proximal Attachment
1. lateral condyle of femur 2. Lateral meniscus
422
Popliteus Distal Attachment
Posterior tibia above soleal line
423
Popliteus Innervation
Tibial nerve L4, L5, S1
424
Popliteus Action
1. Unlock femur by rotating 5 degrees on fixed tibia 2. Medially rotate tibia of unplanted limb
425
Flexor Hallucis Longus Proximal Attachment
1. Lower posterior surface of fibula 2. Interosseous membrane
426
Flexor Hallucis Longus Distal Attachment
Base of DISTAL phalanx of great toe
427
Flexor Hallucis Longus Innervation
Tibial nerve S2, S3
428
Flexor Hallucis Longus Action
1. Flex great toe 2. Weakly plantarflex 3. Support medial longitudinal arch
429
Flexor Digitorum Longus Proximal Attachment
Posterior tibia inferior to soleal line
430
Flexor Digitorum Longus Distal Attachment
Bases of distal phalanges 2-5
431
Flexor Digitorum Longus Innervation
Tibial nerve S2, S3
432
Flexor Digitorum Longus Action
1. Flexes lateral 4 digits 2. Plantarflexes ankle 3. Support longitudinal arch
433
Tibialis Posterior Proximal Attachment
1. Interosseous membrane 2. posterior tibia, inferior to soleal line 3. Posterior surface of fibula
434
Tibialis Posterior Distal Attachment
1. Tuberosity of navicular 2. cuneiforms 3. cuboid 4. sustenaculum tali of calcaneous 5. bases of 2, 3, 4th metatarsals
435
Tibialis Posterior Innervation
Tibial Nerve L4, L5
436
Tibialis Posterior Action
1. Planttarflexes 2. Invert foot 3. Supports medial longitudinal arch
437
Fibularis Brevis Proximal Attachment
Inferior lateral fibula
438
Fibularis Brevis Distal Attachment
Lateral side of base of 5th metatarsal
439
Fibularis Brevis Innervation
Superficial fibular Nerve L5, S1, S2
440
Fibularis Brevis Action
1. Eversion of subtalar joint 2. Weakly plantarflexes
441
Fibularis Longus Action
1. Eversion of subtalar joint 2. Weakly plantarflexes
442
Fibularis Longus Innervation
Superficial fibular Nerve L5, S1, S2
443
Fibularis Longus Proximal Attachment
1. Head of fibula 2. Superior, lateral fibula
444
Fibularis Longus Distal Attachment
1. Base of 1st metatarsal 2. Medial Cuneiform
445
Tibialis Anterior Proximal Attachment
1. Lateral condyle of tibia 2. Superior 1/2 of tibia 3. Interosseous membrane
446
Tibialis Anterior Distal Attachment
1. Medial Cuneiform 2. Base of 1st Metatarsal
447
Tibialis Anterior Innervation
Deep fibular nerve (L4, L5)
448
Tibialis Anterior Action
1. Dorsiflexes ankle 2. Weakly plantarflexes Subtalar joint
449
Extensor Hallucis Longus Proximal Attachment
1. middle anterior fibula 2. Interosseous membrane
450
Extensor Hallucis Longus Distal Attachment
Base of distal phalanx of great toe
451
Extensor Hallucis Longus Innervation
Deep Fibular Nerve (L5, S1)
452
Extensor Hallucis Longus Action
1. Extends Great toe 2. Dorsiflexes ankle
453
Extensor Digitorum Longus Innervation
Deep Fibular Nerve (L5, S1)
454
Fibularis Tertius Innervation
Deep Fibular Nerve (L5, S1)
455
Extensor Digitorum Longus Proximal Attachment
1. Lateral condyle of tibia 2. Superior surface of fibula 3. Interosseous membrane
456
Extensor Digitorum Longus Distal Attachment
Middle and distal phalanges of 2-5
457
Extensor Digitorum Longus Action
1. Extends 2-5 2. Dorsiflexes ankle
458
Fibularis Tertius Proximal Attachment
1. Inferior anterior surface of fibula 2. Interosseous membrane
459
Fibularis Tertius Distal Attachment
Dorsum of base of 5th metatarsal
460
Fibularis Tertius Action
1. Dorsiflexes ankle 2. Aids in eversion of STJ
461
Extensor Digitorum Brevis Proximal Attachment
1. Calcaneus @ floor of Tarsal Sinus 2. Interosseous Talocalcaneal Ligament 3. Stem of Extensor Retinaculum
462
Extensor Digitorum Brevis Distal Attachment
Long extensor tendons of 2-4
463
Extensor Digitorum Brevis Innervation
Deep fibular nerve (L5)
464
Extensor Digitorum Brevis Action
Aids EDL in extending 2-4 @ MTP and IP joints
465
Extensor Hallucis Brevis Proximal Attachment
1. Calcaneus @ floor of Tarsal Sinus 2. Interosseous Talocalcaneal Ligament 3. Stem of Extensor Retinaculum
466
Extensor Hallucis Brevis Distal Attachment
Dorsal aspect of base of proximal phalanx of great toe
467
Extensor Hallucis Brevis Innervation
Deep fibular nerve (L5)
468
Extensor Hallucis Brevis Action
Aids EHL in extending great toe @ MTP
469
Flexor Digitorum Brevis Proximal Attachment
1. Medial tubercle of tuberosity of calcaneus 2. Plantar aponeurosis 3. Intermuscular septum
470
Flexor Digitorum Brevis Distal Attachment
Both sides of middle phalanges of digits 2-5
471
Flexor Digitorum Brevis Innervation
Medial plantar nerve (L5, S1)
472
Flexor Digitorum Brevis Action
Flex digits 2-5 @MTP and PIP
473
Lumbricals (foot) Proximal Attachment
FDL tendons
474
Lumbricals (foot) Distal Attachment
Medial part of extensor expansions of 2-5
475
Lumbricals (foot) Innervation
Medial 1: Medial plantar nerve (L5, S1) Lateral 3: :Lateral Plantar Nerve (S1, S2, S3)
476
Lumbricals (foot) Action
1. Flexion of 2-5 @MTP 2. Extension of 2-5 @PIP and DIP
477
Quadratus Plantae Proximal Atttachment
Medial surface and lateral margin of calcaneus' plantar surface
478
Quadratus Plantae Distal Attachment
FDL tendon
479
Quadratus Plantae Innervation
Lateral Plantar Nerve (S1, S2, S3)
480
Quadratus Plantae Action
Assist FDl with flexion of 2-5 @MTP and IP
481
Flexor Hallucis Brevis Proximal Attachment
1. Plantar surfaces of cuboid 2. Planar surfaces of lateral cuneiforms
482
Flexor Hallucis Brevis Distal Attachment
Both sides of base of proximal phalanx of 1st digit
483
Flexor Hallucis Brevis Innervation
Medial planar nerve (L5, S1)
484
Flexor Hallucis Brevis Action
Flex 1st MTP joint
485
Adductor hallucis Proximal Attachment
Oblique head: Bases of metatarsals 2-4 Transverse Head: Plantar ligaments of MTP joints
486
Adductor hallucis Distal Attachment
Lateral side of base of proximal phalanx of 1st digit
487
Adductor hallucis Innervation
Deep branch of lateral plantar nerve (S1, S2, S3)
488
Adductor hallucis Action
1. Adduct 1st digit 2. Maintain transverse arch
489
Plantar Interossei (foot) Proximal attachment
Plantar aspect of medial sides of shafts of metatarsals 3-5
490
Plantar Interossei (foot) Distal attachment
Medial sides of bases of phalanges 3-5
491
Plantar Interossei (foot) Innervation
Lateral plantar nerve (S1, S2, S3)
492
Plantar Interossei (foot) Action
Adduct 3-5 @MTP
493
Dorsal Interossei (foot) Proximal attachment
Adjacent sides of shafts of metatarsals 1-5
494
Dorsal Interossei (foot) Distal attachment
1st: Medial side of proximal phalanx of 2nd digit 2nd-4th: Lateral sides of 2-4
495
Dorsal Interossei (foot) Innervation
Lateral plantar nerve (S1, S2, S3)
496
Dorsal Interossei (foot) Action
Abduction of 2-4 @MTP
497
Psoas Major Proximal Attachment
1. TP of T12-L5 vertebrae
498
Semimembranosis distal attachment
1. Posterior part of medial condyle of tibia 2. Oblique popliteal ligament
499
Psoas Major Distal Attachment
Lesser trochanter
500
Psoas Major Innervation
Ventral Rami (L1, L2, L3)
501
Psoas Major Action
Fixed Hip: 1. Flex hip 2. Externally rotate Fixed Foot 1. Flex trunk 2. Anteriorly tilt pelvis
502
Illiacus Proximal Attachment
1. Iliac fossa 2. Sacrum 3. Anterior sacroiliac ligaments
503
Illiacus Distal Attachment
1. Lesser trochanter 2. Psoas tendon
504
Illiacus Innervation
Femoral Nerve (L2,L3, L4)
505
Illiacus Action
Fixed Hip: 1. Flex hip 2. Externally rotate Fixed Foot 1. Flex trunk 2. Anteriorly tilt pelvis

Anatomy (9 decks)

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