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MSK > Anatomy of the upper limb > Flashcards

Anatomy of the upper limb Flashcards

1
Q

Trapezius - actions

A

Elevation, depression, retraction, rotation of the scapula

Extension of the neck

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2
Q

latissimus Doris - origin

A

Iliac crest
Lower thoracic vertebra
All lumbar vertebrae
T7-L5

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3
Q

latissimus Doris - insertion

A

Humerus

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4
Q

latissimus Doris - actions

A

adduction and extension of the humerus at the shoulder joint

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5
Q

pectoralis major - origin

A

clavicle
Sternum
Upper ribs 2-6

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6
Q

pectoralis major- insertion

A

greater tubercle of humerus

Intertubercular sulcus of humerus

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7
Q

pectoralis major - actions

A

adduction, flexion, and medial rotation of humerus at the shoulder joint

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8
Q

serratus anterior -origin

A

ribs 1-8/9

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9
Q

serratus anterior - insertion

A

entire anterior surface of the medial (vertebral) birder of the scapula

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10
Q

serratus anterior- actions

A

protraction - draws scapula forward

Rotation of scapula upward

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11
Q

deltoid - origin

A

Clavicle
Acromion of scapula
Spine of scapula

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12
Q

deltoid - insertion

A

Deltoid tuberosity of humerus

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13
Q

Deltoid - actions

A

abduction of the humerus at shoulder joint

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14
Q

rotator cuff muscles

A

Supraspinatus
Subscapularis
Teres minor
Infraspinatus

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15
Q

rotator cuff muscles - actions

A

rotation and abduction of the humerus at the shoulder joint

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16
Q

biceps brachii-origin

A

long head - scapula, above the glenoid cavity

Short head - coracoid process

17
Q

biceps brachii - insertion

A

radial tuberosity

18
Q

biceps brachii - actions

A

strong flexor of forearm at elbow joint

Strong supinator of forearm

19
Q

triceps brachii- origin

A

long head - scapula, below the glenoid cavity

Lateral and medial heads - posterior surface of humerus

20
Q

triceps brachii - insertion

A

Olecranon process of ulna

21
Q

triceps brachii - actions

A

Extension of the forearm at the elbow joint

22
Q

flexor digitorum superficialis - origin

A

medial epicondyle of the humerus, ulna and radius

23
Q

flexor digitorum superficialis - insertion

A

anterior surface of phalanges

24
Q

flexor digitorum superficialis - action

A

flexion of fingers

25
Q

flexor pollicis longus - origin

A

radius anterior shaft

26
Q

flexor pollicis longus - insertion

A

distal phalanx of the thumb (anterior surface)

27
Q

flexor pollicis longus - actions

A

flexion of the thumb

28
Q

extensor digitorum - origin

A

Lateral epicondyle of humerus

29
Q

extensor digitorum - insertion

A

posterior surfaces of phalanges

30
Q

extensor digitorum - actions

A

extension of the fingers

31
Q

Extensor pollicis longus - origin

A

ulna posterior surface

32
Q

extensor pollicis longus - insertion

A

distal phalanx of the thumb (posterior surface)

33
Q

extensor pollicis longus - action

A

extension of the thumb

MSK (3 decks)

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