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anatomy cadaver > shoulder > Flashcards

shoulder Flashcards

1
Q

what tendon is this, arising from INFRAGLENOID tubercle

A

long head triceps

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1
Q

what tendon is this arising from SUPRAGLENOID tubercle

A

long head biceps

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2
Q

where does long head biceps pass

A

inside joint capsule over head humorous

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3
Q

how many muscles are on the front and back of the scapula

A

3 - back
2 - front

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4
Q

what muscle is this

A

subscapularis

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5
Q

where does subscapularis tendon insert

A

lesser tubercule

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6
Q

what movements does subscapularis produce

A

internal roation alone

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7
Q

what muscle is this

A

supraspinatus

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8
Q

where does supraspinatus arise from

A

supraspinous fossa

passes under acromion and inserts greater tubercule

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9
Q

what movement does supraspinatus allow

A

initiates abduction humerus

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10
Q

what is the muscle above trees minor

A

infraspinatis

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11
Q

what is the path infraspinatus

A

infraspinous fossa - back greater tubercule

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12
Q

what moevemtn do tires minor and infraspinatus allow

A

externally rotate

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13
Q

what is the rotator cuff made up of

A

teres minor
subscapularis
infraspinatus
supraspinatus

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14
Q

what is this muscle

A

teres major

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15
Q

what is the path of trees major

A

lateral border scapula to posterior bicipital groove

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16
Q

what movement does teres major allow

A

adduction

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17
Q

what is this muscle

A

coracobrachialis

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18
Q

what is the path of coracobrachialis

A

coracoid process to humerus

19
Q

what movement does coracobrachialis allow

A

flexion shoulder joint

20
Q

what is this muscle

A

stratus anterior

21
Q

what is the path of serious anterior

A

side and front of first 8 ribs passes under scapula all the way to medial border

22
Q

what movement does stratus anterior allow

A

protrusion

23
Q

superior fibres - upward rotation scapula
inferior fibres - downward rotation scapula

A
24
Q

what is this muscle

A

trapezius

25
Q

name these three muscles

A

levitator scapulae
rhomboid major
rhomboid minor

26
Q

what is the path of levatator scapulae

A

first three cervical vertebrae to medial corner scapula

27
Q

what is the role levetator scapulae

A

elevates scapula

28
Q

what is the path of the rhomboids

A

4 cervicl to 5th thoracic vertebrae insert along medial border scapula

29
Q

what movement do rhomboids allow

A

elevate and retract scapula

30
Q

where do the upper and lower part of the trapezius converge

A

spine of scapula

31
Q

what happens when whole trapezius contracts

A

retraction scapula

32
Q

what happens when upper part trapezius contracts

A

elevation scapula

33
Q

what is this muscle

A

pectoralis minor

arises 2-4th rib - coracoid process

34
Q

what movement does pectorals minor produce

A
35
Q

subclavian and omohyoid?

A

depress hyoid bone and larynx

36
Q

what is this muscle

A

pectoralis major

37
Q

what is this muscle

A

lattisimus dorsi

38
Q

what do both pectorals major and lattices doors bypass

A

scapulala go straight to humorous from chest walls

39
Q

pectorals major course

A

medial head clavicle front sternum front first 6 costal cartilages to anterior edge bicipital groove

40
Q

role pec major

A

powerful adductor humerus

when held by other muscles can do internal rotation

41
Q

trapezius

A

inserts bicipital groove spirals around trees major

powerful adductor humorous and depressor scapula

42
Q

what muscle is this

A

deltoid

spine scapula acromion lat third clavicle
deltoid tuberosity

anterior - flex
post - extend
lat - abductor

43
Q

what vein is between pectorals major and deltoid

A

cephalic vein

44
Q

what vein does cephalic join

A

subclavian vein
passes fro arm under subclavian muscle joins IJV to form brachiocephalic vein

45
Q

arteries shoulder

A

anatomy cadaver (10 decks)

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