Muscles Origins and Insertions and Actions Flashcards
1
Q
Anterior Tibialis Origin
A
Lateral condyle and proximal 2/3’s of lateral surface of tibia
2
Q
Ant. Tib. Insertion
A
Medial and plantar aspects of the cuneiform and base of the first metatarsal
3
Q
Main F(x) of Ant Tib
A
concentrically accelerates dorsiflexion and inversion
4
Q
Synergistical F(x) of Ant Tib
A
eccentrically decels plantarflex and eversion, and isometrically stabilizes arch of foot
5
Q
Posterior Tibabilias Origin
A
Proximal 2/3s of posterior surface of tibia and fibula
6
Q
Post. Tib. Main Insertion
A
navicular tuberosity and medial cuneiform bone
7
Q
Post tib other insertion
A
Every tarsal bone (nav, cunei, cuboid) but the talus plus the bases of the second through fourth metatarsals
8
Q
Main function of Post Tib
A
Concentrically accelerates plantarflexion and inversion of foot
9
Q
Syn function of Post tib
A
Eccenrically decels dorsiflexiom and eversion of the foot, and isometrically stabilizes arch
10
Q
Soleus Origin
A
Posterior surface of the fibular head and proximal 1/3 of its shaft and from the post side of tibia
11
Q
Gastroc and Soleus Insertion
A
Calcaneus via Achilles Tendon
Achilles must have had a well dvp’d Soleus and Gastroc
12
Q
Soleus and Gastroc main function
A
concentrically accels plantarflexion
13
Q
Gastroc and Soleus syn funct
A
ecc decels ankle dorsiflex, and isometrically stabilizes foot
14
Q
Peroneus Longus Origin
A
Lateral condyle of tibia, head, and proximal 2/3s of the lateral surface of the fibula
15
Q
Peroneus Longus Insertion
A
Lateral surface of the medial cuneiform and lateral side of the base of the 1st metatarsal
16
Q
Main f(c) of Peroneus longus
A
concentricallu plantarflexes and everts foot
17
Q
syn f(x) of peroneus longus
A
decel ankle dorsiflex, isometricallu stabilizes foot and ankle complex
18
Q
Biceps femoris long head orgin
A
ischial tuberositu of pelvis, part of the sacrotuberous ligament
19
Q
Biceps femoris long and short head insertsion
A
Head of fibula
20
Q
Biceps femoris long head main f(c)
A
Concentrically accelerates knee flexion and hip extension, and tibial ext rot
21
Q
Biceps femoris long head syn function
A
Eccentrically decels knee extension, hip flexion, and tibial int rot at midstance of gait cycle, and it also isometricallu stabilizes the LPHC and knee
22
Q
Biceps femoris short head origin
A
lower 1/3 of post. aspect of the femur
23
Q
Biceps femoris short head main function
A
concentrically accelerates knee flexion and tibial ext rot
24
Q
Biceps femoris short head syn funct
A
Ecc decels knee extension and tibial internal rot, and isometricallu stabilizes knee
25
Semimembranosus origin
ischial tuberosity of pelvis
26
Semimembranosus insertion
Posterior aspect of the medial tibial condyle of the tibia
27
Semimembranosus and Semitiendinosus main function
Concentrically accelerate knee flexion, hip extension, and tibial int rot
28
Semimembranosus and semitendinosus syn funct
Ecc decels knee extension, hip flex, and tibial ext rot, and isometrically stabilizes the LPHC and knee
29
Semitiendinosus origin
ischial tubersoity of pelvis and part of sacrotuberous ligament
30
Semitiendinosus insertion
PROXIMAL aspect of medial tibial condyle of tibia (pes anserine)
31
What muscles comprise of hamstring complex?
Biceps Femoris long and short heads, Semimembranosus, and Semitiendinosus
32
What muscles make up quads?
Vastus lateralis, vastus medialis, and vastus intermedius, and rectus femoris
33
Vastus lateralis O
Anterior and inferior border of the greater trochanter, lateral region of the gluteal tuberosity, lateral lip of linea aspera of femur
34
Vastus lateralis I
base of patella and tibial tuberosity of the tibia
35
Vastus lateralis, medialis main funct
conc accelerates knee extension
36
Vastus lateralis, medialis, intermedius syn funct
Ecc decels knee flex, adduction, and internal rot, and isometrically stabilizes knee
37
Vastus medialis O
lower region of intertrochanteric line, medial lip of linea aspera, proxomal medial supracondylar line of femur
38
Vastus medialis I
Base of patella, tibial tubersoity of tibia
39
vastus intermedius O
anterior-lateral regions of the upper 2/3's of femur
40
vastus intermedius I
base of patella, tibial tuberosity of tibia
41
Rectus femoris O
Ant-inf iliac spine of pelvis
42
Rectus femoris I
Base of patella, tibial tuberosity of the tibia
43
Rectus femoris main function
conc accels knee extension and hip flexion
44
Rectus femoris syn function
Ecc decels knee flexion, adduction, and internal rot, decels hip extension, and isometrically stabilizes LPHC and knee
45
Adductor longus O
Ant surface of the of pubic ramus of pelvis
46
Adductor longus I
Proximal 1/3 of linea aspera of femur
47
Adductor longus main f(c)
concentrically accels hip addution, flexion, and int rot
48
Adductor longus syn funct
ecc decels hip abd, ext, ext rot, and isomet stabilizes LPHC
49
Add magnus ant fibers O
ischial ramus of pelvis
50
Add magnus ant fibers I
linea aspera of the femur
51
Add magnus ant and post fibers main funct
conc accells hip add, flexion and int rot
52
Add magnus ant fibers syn funct
ecc decels hip abd, extension, and external rot, and dynamically stabilizes the LPHC
53
Add magnus post fibers O
Ischial tuberosity of pelvis
54
Add magnus post fibers I
add tubercle on femur
55
Add magnus post fibers syn funct
ecc decels hip abd, flexion, and internal rot, and isometrically stabilizes LPHC
56
Add brevis O
Ant surface of the inf pubic ramus of pelvis
57
Add brevis I
proximal 1/3 of linea aspera of the femur
58
Add brevis main funct
concentrically accels hip add, flexion, and internal rot
59
Add brevis syn funct
ecc decels hip abd, ext,, and ext rot, and isometrically stabilizes the LPHC
60
Gracilis O
Ant aspect of lower body of pubis
61
Gracilis I
Proximal medial surface of tibia (pes anserine)
62
Gracilis main function
conc accels hip add, flexion, and internal rot, and assists in tibial int rot
63
Gracilis syn function
ecc decels hip abd, extension, and ext rot, and isometriclaly stabilizes the LPHC and knee.
64
Pectineus O
Pectineal line on the superior pubic ramus of pelvis
65
Pectineus I
Pectineal line on the post surface of the upper femur
66
Pectineus Main funct
conc accel hip adduction, flexion, and internal rot
67
Pectineus syn funct
ecc decel hip abd, extension, ext rot, and isometrically stabilizes LPHC
68
Gluteus medius O
Outer surface of the ilium of pelvis
69
Gluteus medius I
lateral surface of the greater trochanter on the femur
70
Ant fibers of Gluteus medius main function
conc accel hip abd and int rot
71
Post fibers of Gluteus medius main function
conc accel hip abd and ext rot
72
Post and Ant fibers of Gluteus medius syn function both do what?
ecc decel hip add and isometrically stabilizes the LPHC
73
Post fibers of Gluteus medius syn function
int rot
74
Ant fibers of Gluteus medius syn function
ext rot
75
Gluteus minimus O
Ilium of pelvis btwn ant and inf gluteal line
76
Gluteus minimus I
greater trochanter of femur
77
Gluteus minimus main funct
conc accel hip abd and internal rot
78
Gluteus minimus syn funct
ecc devels hip add and ext rot, and isometricallu stabilizes LPHC
79
Gluteus maximus O
outer ilium of pelvis, post side of sacrum and coccyx, and part of the sacrotuberous and post sacroiliac ligament
80
Gluteus maximus I
Gluteal tuberosity of femur and iliotibial tract
81
Gluteus maximus main funct
conc accels hip extension and ext rot
82
Gluteus maximus syn funct
ecc decel hip flex and int rot, decels tibial internal rot via IT band, and isometricallu stabilizes LPHC
83
What 2 muscles comprise of the iliopsoas muscle group?
The two muscles that make up the iliopsoas group are the psoas major and iliacus.
84
Tensor fascia latae (w/ IT band) O
Outer surface of iliac crest just post to the ant-sup iliac spine of pelvis
85
Tensor fascia latae (w/ IT band) I
Prox 1/3 of IT band
86
Tensor fascia latae (w/ IT band) main funct
conc accel hip flex, abd, and int rot
87
Tensor fascia latae (w/ IT band) syn funct
Ecc decel hip ext, add, ext rot, and isomet stabilizes LPHC
88
Psoas O
Transverse processes and lateral bodies of the last thoracic and all lumbar vertebrae including intervertebral disks
89
Psoas and Iliacus I
Lesser trochanter of femur
90
Psoas main funct
conc accels hip flex and ext rot, extends and rotates lumbar spine
91
Psoas syn funct
Ecc deces hip internal rot, hip extension, and isometrically stabilizes LPHC
92
Iliacus O
superior 2/3s of iliac fossa, inner lip of iliac crest
93
Iliacus main funct
conc accel hip flex and ext rot
94
Iliacus syn funct
ecc decel hip extension and internal rot, and isomet stabilizes the LPHC
95
Sartorius O
Ant-sup iliac spine of pelvis
96
Sartorius I
Proximal medial surface of tibia
97
Sartorius main funct
conc accels hip flex, ext rot, and abd, knee flexion, and int rot
98
Sart syn funct
Ecc decels hip extension and internal rot, knee ext, ext rot, and isometrically stabilizes LPHC and knee.
99
Piriformis O
Anterior side of the sacrum
100
Piriformis I
Greater trochanter of femur
101
Piriformis Main f(c)
conc accel hip external rot, abd, and extension
102
Piriformis syn function
ecc decelerates hip internal rot, add, flexion, and isometrically stabilizes hip and sacroiliac jts
103
Rectus Abdominis O
Pubic symphysis of pelvis
104
Rectus Abdominis I
Ribs 5-7, and Xiphoid process of sternum
105
Rectus Abdominis Main f(x)
Conc accel spinal flexion, lateral flexion, and rot
106
Rectus Abdominis syn funct
Ecc decels spinal ext, lateral flexion, and rot
| Also, isom stabilizes the LPHC
107
External Oblique O
external surface of ribs 4-12
108
External Oblique I
Anterior iliac crest of pelvis, linea alba, and contralateral rectus sheaths.
109
External Oblique main funct
Conc accels spinal flexion, lateral flexion, and contralateral rotation
110
External Oblique syn funct
ecc decels spinal ext, lateral flexion, and rot, and isomlly stabilizes the lPHC
111
Internal Oblique O
Ant 2/3's of iliac crest of the pelvis and thoracolumbar fascia
112
Internal Oblique I
Ribs 9-12 and linea alba and contralat rectus sheaths
113
Internal Oblique Main Funct
Conc accels spinal flex, lateral flex, ad ispilateral rot
114
Internal Oblique syn funct
Ecc decels spinal ext, rot, and lateral flex, and isom stabilizes the LPHC
115
Transverse Abdominis O
ribs 7-12, ant 2/3s of iliac crest of pelvis, and thoracolumbar fascia
116
Transverse Abdominis I
Lineae alba and contralateral rectus sheaths
117
Transverse Abdominis main function
increase intra-abd pressure, and supports the abd viscera
118
Transverse Abdominis syn function
isometlly stabilizes LPHC
119
Diaphragm O costal part
inner surfaces of the cartilages and adjacent bony regions of ribs 6-12
120
Diaphragm O sternal part
post. side of xiphoid process
121
Diaphragm O cural/lumbar part
1) 2 aponeurotic arches covering the external surfaces of the quadratus lumborum and psoas major
2) right and left crus, orginating from the bodies of L1 - L3 and their intervertbral disks
122
Diaphragm I
central tendon
123
Diaphragm function
conc pulls the central tendon inferiorly, increasing the V in thoracic cavity
124
Diaphragm syn function
stabs the LPHC
125
What muscles make up the superficial Erector spinae?
Iliocostalis, Longissimus, and Spinalis
126
Division of Superficial Erector spinae
Lumorum (lumbar)
Thoracis (thoracic)
Cervicis (cervical)
127
Superficial Erector spinae common Os
iliac crest of the pelvis, sacrum, and spinous and trnasverse process of T11-L5
128
Iliocostalis lumborum division Insert
inf border of ribs 7-12
129
Iliocostalis Thoracis div Insertion
sup border of ribs 1-6
130
Iliocostalis Cervicis div insert
transverse process of C4-C6
131
Longissimus Throcis div insert
transverse process T1-T12, ribs 2-12
132
Longissimus Cervicis div insert
trans process C6-C2
133
Longissimus Capitis div insert
Mastoid process of skull
134
Spinalis Thoracis div insert
spin process of T7-T4
135
Spinalis Cervicis div insert
spin process of C3-C2
136
Spinalis Capitis div insert
Btwn sup and inf nuchal lines on occipital bone of skull
137
Superficial Erector spinae main funct
conclly acels spinal ext, rot, and lateral flex
138
Superficial Erector spinae syn funct
eccly decels spinal flex, rot, and lateral flex, and dynamicallu stabilizes the spine durig functional movements
139
Quadratus lumborum O
Iliac crest of pelvis
140
Quadratus lumborum I
12th rib, trans process L2-L5
141
Quadratus lumborum main funct
spinal lateral flex
142
Quadratus lumborum syn funct
ecc decels contralaeral lateral spinal flex, and isom stab the LPHC
143
Multifidus O
post aspect of sacrum; process of lumbar, thoracic, and c spine
144
Multifidus I
spinous processes 1-4 segments above origin
145
Multifidus main funct
conclly accels spinal ext and contralateral rot
146
Multifidus syn funct
ecc decels spinal flex and rot; isom stabilizes spine
147
Lats O
Spinous processes of T70T12, iliac crest of pelvis, thoracolumbar fascia, and ribs 9-12
148
Lats I
inf angle of scap, intertubercular groove of humerus
149
Lats main functt
conc accel shoulder ext, add, and int rot
150
Lats syn funct
ecc decels shoulder flex, abd, and ext rot, and spinal flex, and isom stab the LPHC & shoulder
151
Serratus anterior origin
ribs 4-12
152
Serratus anterior insert
medial border of scapula
153
Serratus anterior main funct
conc accels scapular protraction
154
Serratus anterior syn function
Ecc decels dynamic scapular retraction, isometrically stabilizes the scapula
155
Rhomboid major O
Spinous processes C7-T5
156
Rhomboid major I
Medial border of the scapula
157
Rhom major main function
conc produces scapular retraction and downward rot
158
Rhom major syn function
ecc decels scapular portraction and upward rot, and isometrically stabilizes the scapula
159
Rhomboid minor O
Spin processes C7-T1
160
Rhomboid minor I
medial border of scapula superior to spine
161
Rhomboid minor main funct
conc produces scapular retraction and downward rot
162
Rh minor syn funct
ecc decels scapular portraction and upward rot, and isometrically stabilizes the scapula
163
lower traps O
spin processes T6-T12
164
lower traps I
spine of scapula
165
lower traps main funct
conc accels scapular depression
166
lower traps syn funct
Ecc decels scapular elevation, isomly stabs the scap
167
Middle traps O
spin processes T1-T5
168
Mid traps I
Acromion process of scap, superior aspect of spine of scapula
169
Mid traps main function
concly accels scapular retraction
170
mid traps syn funct
Ecc decels scapular elevation, isomly stabs the scap
171
Upper traps O
External occiptial protuberance of the skull, spinous process of C7
172
Upper Traps I
lateral third of the clavicle
| acromion process of scapula
173
Upper traps main funct
Conc accelerates cervical extension, lateral flexion, and rot, and scapular elevation.
174
Upper traps syn funct
Ecc decels cervical flexion, lateral felxion, and rot, and scapular depression. Isom stabs C spine and scap
175
Pec major O Clavicular
Ant surface of clavicle
176
Pec major Sternocostal O
Ant surface of sternum, cartilage of ribs 1-7
177
Pec major insertion
greater tubercle of humerus
178
Pec major main function
Conc accels shoulder flexion (clavicular fibers), horoizontal add, and internal rot
179
Pec major syn function
Ecc decels shoulder extension, h abd, and ext rot, isom stabs shoulder girdle
180
Pec minor O
ribs 305
181
Pec minor insertion
coracoid process of scapula
182
Pec minor main fucntion
conc protracts scapula
183
Pec minor syn function
ecc decels scapular retraction, isom stabs shoulder girdle
184
Ant Deltoid Origin
Lateral third of clavicle
185
Ant Deltoid I
Deltoid tubersity of humerus
186
Ant Deltoid main funct
conc accels shoulder flexion and internal rotation
187
Ant Deltoid syn funct
ecc decel shoulder extension and external rot, and isom stabilizes shoulder girdle
188
Med Deltoid O
Acromion process of scapula
189
Med Delt I
deltoid tuberosity of humerus
190
Med delt main function
conc accells shoulder abd
191
Med delt syn function
ecc del shoulder add, & isom stabs shoulder girdle
192
Posterior Deltoid Origin
spine of scapula
193
Post delt I
deltoid tubersoity of humerus
194
Post delt main funct
Conc accel shoulder ext and ext rot
195
Post delt syn function
Ecc decel shoulder flexion and internal rot, isom stabs shoulder girdle
196
Teres major O
Inf angle of scapula
197
Teres major I
lesser tubercle of humerus
198
Teres major main funct
conc accels shoulder internal rot, add, and extension
199
Teres major syn funct
Ecc decels shoulder ext rot, abd, and flexion. Isom stabs shoulder girdle
200
Teres minor O
lateral border of scap
201
Teres minor I
greater tubercle of humerus
202
Teres minor main funct
conc accel shoulder external rotation
203
Teres minor syn funct
Ecc decelerates shoulder internal rotation, isom stabs shoulder girdle
204
Infraspinatus O
Infrapinous fossa of scapula
205
Infraspinatus I
Middle facet of the greater tubercle of the humerus
206
Infraspinatus main function
Conc accels shoulder ext rot
207
Infraspinatus syn funct
ecc decels shoulder internal rot, isom stabilizes shoulder girdle
208
Subscapularis O
subscapular fossa of scapula
209
Subscapularis I
Lesser tubercle of humerus
210
Subscapularis main funct
conc accels shoulder internal rotation
211
subscap syn funct
Ecc decelerates shoulder external rot
| Isom stabilizes the shoulder girdle
212
supraspinatus o
Supraspinous fossa of scap
213
supraspinatus I
superior facet of the greater tubercle of humerus
214
supraspinatus main f(c)
conc accels abd of arm
215
supraspinatus syn funct
Ecc decels add of arm, isom stabilize shoulder girdle
216
what are the 4 muscles of shoulder rot cuff?
Infraspinatus, Supraspinatus, teres minor, and subscap
217
Biceps brachii short head O
coracoid process of the scap
218
Biceps brachii long head O
tubercle above glenoid cavity on the humerus
219
Biceps brachii I
radial tuberosity of the radius
220
Biceps brachii main funct
Concent acels elbow flexion, supination of radioulnar jt, and shoulder flexion
221
Biceps brachii syn funct
Ecc decels elbow ext, pronation of RU jt, and shoulder extension, and isom stabs elbow and shoulder girdle
222
Triceps brachii long head O
Infraglenoid tubercle of scap
223
Triceps brachii short and medial head O
posterior humerus
224
Triceps brachii main funct
Concentrically accels elbow extension and shoulder ext
225
Triceps brachii I
oleceranon process of ulna
226
Triceps brachii syn funct
Ecc decels elbow flex and shoulder flex, isom stabs elbow and shoulder girdle
227
Brachioradialis O
lateral suprcondylar ridge of humerus
228
Brachioradialis I
lateral surface of distal radius, immediately above styloid process
229
Brachioradialis main function
conc accel elbow flex
230
Brachioradialis syn functio
ecc decel elbow extension, isom stab the elbow
231
Brachialis O
Lower half of the ant surface of the humerus
232
Brachialis I
tuberosity and coronoid prociess of the ulna
233
Brachialis main funct
conc accel elbwow flexion
234
Brachialis syn function
ecc decel elbow exten, isom stabilizes elbow
235
lev scap o
transverse processes of C1-C4
236
lev scap I
superior vertebral border of scapulae
237
lev scap main funct
Conc accel cervical extension, lateral flex, ispila rot when scapulae is anchored, and assists in elvation and downward rot of scapulae
238
lev scap syn funct
Ecc decels cervical flex and contralateral cervical rot and lateral rot, scap dep and upward rot when neck stabilzed, and stabilzes C spine and scaps
239
Sternocleidomastoid sternal head O
top of manubrium
240
Sternocleidomastoid clav head O
Medial 1/3 of clav
241
Sternocleidomastoid I
mastoid process, lateral superior nuchal line of the occiput of the skull
242
Sternocleidomastoid main funct
conc acceles c flex, rot, and lateral flex
243
Sternocleidomastoid syn funct
ecc decels c ect, rot, and lateral flex, isom stabs the C spine and AC jt
244
Scalenes O
transverse processes of C3-C7
245
Scalenes I
first and second ribs
246
Scalenes main funct
conc accels c flexion, rot, and lateral flex, and assists rib elevation during inhalation
247
Scalenes syn funct
ecc decels C ext, rot, and lateral flexion;isom stabs C spine
248
Longus coli O
Ant portion of T1-T3
249
Longus coli I
Anterior and lateral C1
250
Longus coli main funct
Conc accels cervical flexion, lat flexion, and ipsilateral rot
251
Longus coli syn funct
Ecc decels c extension, lat flex, and contralat rot; isom stabs C spine
252
Longus capitis O
transverse processes C3-C6
253
Longus capitis I
inf occipital bone
254
Longus capitis main funct
conc accel cervical flex and lateral flexion
255
Longus capitis syn funct
ecc decels c ext, isom stabs the c spine
