muscles acting at the... Flashcards

1
Q

brachioradialis

what’s its function?

A

elbow flexor

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2
Q

biceps brachii

what’s its function?

what are its orgin and insertion?

A

elbow flexor

o: supraglenoid tubercle & coracoid process
i: radial tuberosity

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3
Q

brachialis

what’s its function?

A

elbow flexors

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4
Q

what are the elbow flexors?

A

biceps brachii, brachialis, brachioradialis

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5
Q

triceps brachii

what’s its function?

origin and insertion?

A

elbow extensor

o: infraglenoid tubercle/posterior shaft of humerus i: olecranon process

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6
Q

what are the elbow extensors?

A

triceps brachii, anconeus

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7
Q

anconeus

what’s its function?

A

elbow extensor

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8
Q

what are the rotator cuff muscles?

and what do they do?

A

SITS: teres minor, infraspinatus, supraspinatus, subscapularis

reinforce the glenohumeral joint, attach humerus to scapula

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9
Q

what are the lateral rotators of the humerus?

A

teres minor, infraspinatus

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10
Q

supraspinatus

what’s its function?

A

abductor of humerus

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11
Q

subscapularis

what’s its function?

A

medial rotator of humerus

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12
Q

infraspinatus

what’s its function?

A

lateral rotator of humerus

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13
Q

teres minor

what’s its function?

A

lateral rotator of humerus

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14
Q

what are the shoulder adductors/flexors?

A

coracobrachialis, pectoralis major

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15
Q

what are the shoulder extensors/adductors?

A

teres major, latissimus dorsi

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16
Q

deltoid

what’s its function?

A

shoulder abductor

can also flex and extend the shoulder

17
Q

what is the shoulder abductor?

A

deltoid

18
Q

coracobrachialis

what’s its function?

A

shoulder flexor/adductor

19
Q

pectoralis major

what’s its function?

A

shoulder flexor/adductor

20
Q

teres major

what’s its function?

A

shoulder extensor/adductor

21
Q

latissimus dorsi

what’s its function?

A

shoulder adductor/extensor

22
Q

what are the knee extensors?

what’s their common insertion?

A

vastus lateralis, medialis, & intermedius, and rectus femoris

tibial tuberosity

23
Q

vastus lateralis, medialis, & intermedius

what’s their function?

A

knee extensor

24
Q

rectus femoris

what’s its function?

A

knee extensor and hip flexor

25
Q

what are the knee flexors?

what’s their common origin?

A

semitendinosus, semimembranosus, biceps femoris

ischial tuberosity

26
Q

semitendinosus & semimembranosus

what’s its function?

A

knee flexor and hip extensor

27
Q

biceps femoris

what’s its function?

A

knee flexor and long head is hip extensor

28
Q

what are the hip adductors?

A

pectineus, adductor longus, adductor brevis, adductor magnus, gracilis

29
Q

pectineus

what’s its function?

A

hip adductor

30
Q

gracilis

what’s its function?

origin and insertion?

A

hip adductor

o: inferior pubic ramus i: proximal part of medial surface of tibia

30
Q

gracilis

what’s its function?

origin and insertion?

A

hip adductor

o: inferior pubic ramus
i: proximal part of medial surface of tibia

31
Q

what are the hip abductors?

A

gluteus medius, gluteus minimus

32
Q

gluteus medius and minimus

what’s its function?

A

hip abductor

33
Q

what are the hip flexors?

A

iliopsoas, psoas major, iliacus, rectus femoris

34
Q

psoas major

what’s its function?

A

hip flexor

35
Q

iliacus

what’s its function?

A

hip flexor

36
Q

what are the hip extensors?

A

gluteus maximus, semitendinosus, semimembranosus, biceps femoris (long head)

37
Q

gluteus maximus

what’s its function?

A

hip extensor