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Gross Anatomy Exam 1 > proximal muscles (TL) > Flashcards

proximal muscles (TL) Flashcards

1
Q

origin deltoideus

A

spine and acromion of the scapula

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2
Q

insertion deltoideus

A

deltoid tuberosity of the humerus

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3
Q

action deltoideus

A

flex the shoulder

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4
Q

origin infraspinatus

A

infraspinatous fossa

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5
Q

insertion infraspinatus

A

later side of the greater tubercle of the humerus

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6
Q

action infraspinatus

A

laterally stabilize that shoulder; abduct and laterally rotate shoulder

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7
Q

origin teres minor

A

infraglenoid tubercle of scapula; distal caudal border of the scapula

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8
Q

insertion teres minor

A

teres minor tuberosity

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9
Q

action teres minor

A

laterally stabilize the shoulder; lateral rotator of the shoulder

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10
Q

origin supraspinatous

A

supraspinous fossa

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11
Q

insertion supraspinous

A

greater tubercle

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12
Q

action supraspinous

A

laterally stabilize the shoulder; extend shoulder

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13
Q

origin teres major

A

caudal angle and caudal border of the scapula; subscapularis muscle

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14
Q

insertion teres mjaor

A

teres major tuberosity

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15
Q

action teres major

A

flex shoulder

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16
Q

origin coracobrachialis

A

coracoid process of the scapula

17
Q

insertion coracobrachialis

A

crest of the lesser tubercle

18
Q

action coracobrachialis

A

mainly shoulder stabilizer

19
Q

origin tensor fasciae antebrachii

A

fascia covering the lateral surface of the latissimus dorsi

20
Q

insertion tensor fasciae antebrachii

A

olecranon on the ulna, common tendon of insertion with triceps brachii muscle

21
Q

action tensor fasciae antebrachii

A

extend elbow

22
Q

origin triceps brachii: long head

A

caudal border of the scapula

23
Q

origin triceps brachii: other heads

A

tricipital line, proximal humerus

24
Q

heads of triceps brachii

A

long, accessory, lateral, medial

25
Q

insertion triceps brachii

A

olecranon of ulna

26
Q

action triceps brachii

A

flex shoulder (long head); extend elbow (all heads)

27
Q

origin anconeus

A

lateral supracondylar crest, lateral and medial epicondyles

28
Q

insertion anconeus

A

proximal and lateral aspect of the ulna

29
Q

action anconeus

A

extend elbow

30
Q

origin biceps brachii

A

supraglenoid tubercle

31
Q

insertion biceps brachii

A

radial and ulnar tuberosities

32
Q

action biceps brachii

A

extend shoulder, flex elbow

33
Q

origin brachialis

A

brachialis groove

34
Q

insertion brachialis

A

radial and ulnar tuberosities

35
Q

action brachialis

A

flex elbow

Gross Anatomy Exam 1 (16 decks)

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