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Human Anatomy BIO244 > Muscles > Flashcards

Muscles Flashcards

1
Q

Frontalis

A

O- Occipital bone
I- Skin around eyes
A- elevates skin of the forehead
N- CN VII

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2
Q

Orbicularis Oris

A

O- Muscles near the mouth
I- Skin around lips
A- puckers lips
N- CN VII

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3
Q

Oribicularis Oculi

A

O- Maxilla and frontal bone
I- Skin around eyes
A- closing of eyes
N- CN VII

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4
Q

Buccinator

A

A- Compresses cheeks

N- CN VII

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5
Q

Zygomaticus

A

O- zygomatic bone
I- skin at corner of mouth
A- elevates sides of mouth, smile
N- CN VII

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6
Q

Masseter

A

O- zygomatic arch
I- ramus of mandible
A- elevates/protracts mandible
N- V3

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7
Q

Temporalis

A

O- temporal bone
I- coronoid process and ramus mandible
A- elevates/retracts mandible
N- V3

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8
Q

Medial and Lateral Pterygoids

A

A- elevates/depresses/side-to-side mandible

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9
Q

Sternocleidomastoid

A

O- sternum/clavicle
I- mastoid process
A- neck flexion/rotation, forceful inhalation
N- Accessory nerve, CN XI

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10
Q

Scalenes

A

A- lateral flexion of neck and head

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11
Q

Stylohyoid

A

temporal styloid process

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12
Q

Digastric

A

digastic fossa of mandible/mastoid notch

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13
Q

Mylohyoid

A

mylohyoid line of mandible

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14
Q

Sternohyoid

A

O- manubrium

I- inferior border of hyoid

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15
Q

Thyrohyoid

A

O- oblique thyroid cartilage

I- inferior border and greater horn of hyoid

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16
Q

Occipitalis

A

O- occipital bone
I- epicranial aponeurosis
A- moves scalp backwards
N- CN VII

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17
Q

Omohyoid

A

O- Sup. border of scapula

I- Inf. border of hyoid, lateral to sternohyoid

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18
Q

Trapezius

A

O- Sup. nuchal line, occipital protuberance, spine C7-T12
I- Clavicle, acromion, spine of scapula
A- rotates, elevates, adducts, depresses scapula
N- CN XI, 3, 4

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19
Q

Latissimus dorsi

A

O- T7-L5, sacrum, iliac crest, ribs 10-12
I- humerus
A- extends, abducts, medially rotates humerus
N- Thoracodorsal nerve

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20
Q

Rhomboid major

A

I- Medial border of scapula
A- adducts and elevates scapula
N- Dorsal scapular nerve

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21
Q

Rhomboid minor

A

I- Medial border of scapula spine
A- adducts and elevates scapula
N- Dorsal scapular nerve

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22
Q

Levator scapulae

A

I- upper medial border of scapula
A- elevates scapula
N- Dorsal scapular nerve

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23
Q

Serratus posterior superior

A

upper back, spine C7-T3 to scapular ribs
A- elevates ribs 2-5
N- Ant. rami of spinal nerves

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24
Q

Serratus posterior inferior

A

lower back, spine T11-L3, deep to latissimus
A- depresses ribs 9-12
N- Ant. rami of spinal nerves

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25
Splenius
back of neck, skull to vertebrae | A- pull/rotate head
26
Semispinalis
back of neck, skull to vertebrae, under splenius | A- pull/rotate head
27
Spinalis
most medial erector spinae A- extension of head, cervical and thorax N- lateral post. rami of spinal nerves
28
Longissimus
intermediate erector spinae A- extension of head, neck and spine, lateral flexion N- lateral post. rami of spinal nerves
29
Iliocostalis
most lateral erector spinae A- extension and lateral flexion of spine N- lateral post. rami of spinal nerves
30
Deltoid
O- acromion, clavicle, lower spine I- deltoid tuberosity of humerus A- abducts, lateral/medial rotation of humerus N- Axillary
31
Supraspinatus
O- supraspinatous fossa I- greater tubercle of humerus A- abducts arm N- suprascapular
32
Infraspinatus
O- infraspinatous fossa I- greater tubercle of humerus A- laterally rotates arm N- suprascapular
33
Teres Major
O- Inf. angle of scapula I- Medial lip of intertubercular sulcus A- medial rotation of arm N- Lower scapular nerve
34
Subscapularis
O- subscapular fossa I- leser tubercle A- medial rotation of arm N- upper/lower scapular nerves
35
Pectoralis Major
O- Clavicle, sternum, costal cartilage I- crest of greater tubercle fo humerus A- flexes,adducts, medially rotates arm N- medial/lateral pectoral nerve
36
Pectoralis Minor
O- ribs 3-5 I- coracoid process A- forward, medial, downward scapula N- medial pectoral
37
Subclavius
between clavicle and rib 1
38
Serratus anterior
1-8 Ribs under pecs | N- Long thoracic nerve
39
External oblique
lower 8 ribs, along sides | A- flexes and laterally bends trunk
40
Internal oblique
lower 8 ribs, under externals | A- flexes and laterally bends trunk
41
Transversus abdominus
muscle that goes across abdomen | A- compresses abdomen
42
Rectus abdominus
muscle that goes down abdomen | A- flexes trunk
43
Biceps Brachii
O- L head (supraglenoid tubercle) S head (coracoid process) I- radial tuberosity A- flexion, forearm supination N- Musculocutaneous nerve
44
Brachialis
O- distal ant. humerus I- ulnar tuberosity A- flexion of forearm N- Musculocutaneous/radial nerve
45
Coracobrachialis
O- coracoid process I- midshaft of humerus A- flextion of arm N- Musculocutaneous nerve
46
Palmaris Longus
O- medial epicondyle of humerus I- palmar aponeurosis A- flexion of wrist N- Median nerve
47
Flexor Carpi Radialis
O- medial epicondyle of humerus I- 2-3 metacarpal bases A- flexes wrist, abducts hand N- Median nerve
48
Pronator Teres
O- Medial coronoid process of ulna I- lateral side of radius, medial A- pronates forearm N- Median nerve
49
Flexor Digitorum Profundus
I- base of ends of distal phalanx 2-5 A- flexes phalangeal joint N- median/ulnlar nerve
50
Flexor Pollicis Longus
I- base of distal thumb A- flexes thumb N- median nerve
51
Pronator Quadratus
I- ant. distal radius A- pronates forearm N- median nerve
52
Brachioradialis
O- supracondylar ridge of humerus I- lateral base, styloid process of radius A- flexes elbow, pronate/supinate N- radial nerve
53
Extensor Carpi Radialis Longus
O- supracondylar ridge of humerus I- dorsum of second metacarpal A- extends wrist, abducts hand N- deep radial nerve
54
Extensor Carpi Radialis Brevis
O- supracondylar ridge of humerus I- dorsum of third metacarpal A- extends wrist, abducts hand N- radial nerve
55
Extensor Digitorum
O- common extensor tendon I- extensor expansion of digits 2-5 A- extends hand and digits 2-5 N- deep radial nerve
56
Extensor Digiti Minimi
O- common extensor tendon I- joins extensor digitorum to 5th digit A- extends 5th digit N- deep radial nerve
57
Extensor Carpi Ulnaris
O- common extensor tendon/ulna I- medial base of 5th metacarpal A- extends wrist, adducts hand N- deep radial nerve
58
Supinator
I- lateral side of proximal radius A- supinates forearm N- deep radial nerve
59
Abductor Pollicis Longus
I- radial base of first metacarpal A- abducts thumb N- deep radial nerve
60
Extensor Pollicis Brevis
I- base of proximal thumb A- extends thumb N- deep radial nerve
61
Extensor Pollicis Longus
I- base of distal thumb A- extends thumb N- deep radial nerve
62
Extensor Indicis
O- distal ulna I- extensor digitorum 2nd digit A- extends index N- deep radial nerve
63
Gluteus Maximus
superficial lower gluteal A- extension, external rotation, abduction of leg N- inf. gluteal
64
Gluteus Medius
intermediate upper gluteal A- abducts and internally rotates leg N- sup. gluteal
65
Gluteus Minimus
deep upper gluteal A- abducts and internally rotates leg N- sup. gluteal
66
Piriformis
sacrum to top of femur A- abductor and external rotator N- nerve to piriformis
67
Obturator Internus
obturator foramen to top of femur A- abductor and external rotator N- nerve to obturator internus
68
Superior Gemellus
small, bottom of hip to femur A- abductor and external rotator N- nerve to obturator internus
69
Inferior Gemellus
small, bottom of hip to femur A- abductor and external rotator N- nerve to quadratus femoris
70
Quadratus Femoris
bottom of hip to femur A- external femoral rotation N- nerve to quadratus femoris
71
Iliopsoas
lumbar vertebrae to femur
72
Iliacus
ilia to femur
73
Psoas Major
lumber vertebrae to femur | A- flexes thigh, bends lumbar vertebrae
74
Tensor Fasciae Latae
sides of hips, lateral femur and hip A- flexes, abducts, medially rotates thigh N- superior gluteal nerve
75
Rectus Femoris
I- patella and tibial tuberosity A- hip flexion, knee extension N- femoral nerve
76
Vastus Medialis
I- patella and medial reticulum A- knee extension N- femoral nerve
77
Vastus Lateralis
I- patella and medial reticulum A- knee extension N- femoral nerve
78
Vastus Intermedius
I- patella A- knee extension N- femoral nerve
79
Sartorius
I- medial surface of tibia A- hip flexion and rotation, knee flexion N- femoral nerve
80
Biceps Femoris
I- fibula and tibia A- knee flexion, hip extension N- sciatic nerve
81
Semimembranosus
I- tibia A- knee flexion, hip extension N- sciatic nerve
82
Adductor Magnus
front hip to back femur A- adducts, medial rotation N- obturator nerve
83
Adductor Longus
front hip to back femur A- adducts, medial rotation N- obturator nerve
84
Adductor Brevis
front hip to back femur A- adducts, medial rotation N- obturator nerve
85
Pectineus
pubis to under head of femur A- adducts, medial rotation N- femoral nerve
86
Gracilis
most medial portion of thigh A- adducts, medial rotation N- obturator nerve
87
Tibialis Anterior
most anterior foreleg A- dorsiflexion N- deep fibular nerve
88
Extensor Digitorum Longus
top of tibia to toes 2-5 A- extension of 2-5 toes N- deep fibular nerve
89
Extensor Hallucis Longus
top of tibia to big toe A- extension of big toe N- deep fibular nerve
90
Fibularis Longus
top of fibula to lateral foot A- plantar flection and eversion N- superficial fibular nerve
91
Fibularis Brevis
fibula to lateral foot A- plantar flection and eversion N- superficial fibular nerve
92
Gastrocnemius
I- calcaneal A- flexes leg and foot N- tibial nerve
93
Soleus
I- calcaneal A- flexes foot N- tibial nerve
94
Plantaris
I- calcaneal A- flexes leg and foot N- tibial nerve
95
Popliteus
femur to tibia at joint A- flexes, rotates leg N- tibial nerve
96
Tibialis Posterior
back of leg to back of lower leg A- flexes foot, inverts foot N- tibial nerve
97
Flexor Hallucis Longus
I- base of distal big toe A- flexes big toe and foot N- tibial nerve
98
Extensor Digitorum Brevis
I- extensor expainsion toes 2-5 A- extends 2-5 toes N- deep fibular nerve

Human Anatomy BIO244 (32 decks)

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