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Anatomy #1 > Actions of Intrinsic muscles > Flashcards

Actions of Intrinsic muscles Flashcards

1
Q

Muscles of the shoulder

A
  • Supraspinatus
  • Infraspinatus
  • Teres major
  • Teres minor
  • Deltodeus (acromial part & scapular part)
  • Subscapularis
  • Coracobrachialis
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2
Q

Muscles of the arm

A
  • Long head of triceps brachii
  • Lateral head of triceps brachii
  • Accessory head of triceps brachii
  • Medial head of triceps brachii
  • Biceps brachii
  • Brachialis
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3
Q

Muscles of the forearm

A
  • Extensor carpii radialis
  • Common digital extensor
  • Lateral digital extensor
  • Ulnaris lateralis
  • Flexor carpii ulnaris (ulnar head & humoral head)
  • abductor pollicis longus
  • Superficial digital flexor
  • Deep digital flexor
  • Flexor carpii radialis
  • Pronator teres
  • Supinator
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4
Q

Action of subscapularis

A

Adduction of shoulder

Extension of shoulder

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5
Q

Action of infraspinatus

A

Flexion and extension of shoulder

Lateral rotation and abduction of humerus

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6
Q

Action of supraspinatus

A

Extension of shoulder

Protraction of limb

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7
Q

Action of Coracobrachialis

A

Extension of shoulder

Adduction of shoulder

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8
Q

Action of Deltoideus

A

Flexion of shoulder

Elevation of limb

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9
Q

Action of teres major

A

Medial Rotation

Helps with flexion of shoulder/drawing humerus backward

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10
Q

Action of teres minor

A

Lateral rotation

Helps with flexion of shoulder

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11
Q

Action of long head of triceps brachii

A

Extension of elbow

Flexion of Shoulder

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12
Q

Action of lateral head, accessory head, and medial head of the triceps brachii

A

Extension of the elbow

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13
Q

Action of Biceps brachii

A

Flexion of the elbow

Extension of the shoulder

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14
Q

Action of brachialis

A

Flexion of the elbow

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15
Q

Action of anconeus

A

Extension of the elbow

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16
Q

Action of extensor carpi radialis

A

Extension of the carpus

Flexion of elbow

17
Q

Action of common digital extensor

A

Extension of the digits and carpus

18
Q

Action of lateral digital extensor

A

Extension of digits 3-5

19
Q

Action of ulnaris lateralis

A

Abduct the carpus

20
Q

Action of flexor carpi ulnaris (ulnar and humeral head)

A

Flexion of carpus

Abduction of carpus

21
Q

Action of flexor carpi radialis

A

Flexion of carpus

22
Q

Action of superficial digital flexors and deep digital flexors

A

Flexion of carpus and digits

23
Q

Action of abductor pollicis longus

A

Abducts digit 1

24
Q

Action of supinator

A

Rotate forearm laterally so palmer face up

25
Q

Action of pronator teres

A

Rotate forearm medially so palmer facing ground

Anatomy #1 (13 decks)

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