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Anatomy Unit 4 > Shoulder Girdle > Flashcards

Shoulder Girdle Flashcards

1
Q

What is the first bone to be formed?

A

clavicle

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2
Q

What are the joints of the shoulder girdle?

A

Sternoclavicular, acromioclavicular, scapulothoracic, glenohumeral

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3
Q

what are the ligaments of the sternoclavicular joint?

A

anterior and posterior sternoclavicular, costoclavicular, interclavicular

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4
Q

what are the motions of the sternoclavicular joint?

A

elevation and depression
anterior and posterior rotation
retraction and protraction

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5
Q

what are the ligaments of the acromioclavicular joint?

A

coracoacromial, coracoclavicular, conoid (medial), trapezoid (lateral)

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6
Q

what are the motions of the acromioclavicular joint?

A

elevation and depression
anterior and posterior rotation
retraction and protraction

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7
Q

what are the motions of the scapulothoracic articulation?

A

elevation and depression
anterior and posterior tilt
protraction and retraction

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8
Q

what is the glenoid fossa orientation?

A

lateral, superior, anterior

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9
Q

what is the humeral head orientation?

A

medial, superior, posterior

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10
Q

what are the 8 major ligaments of the shoulder?

A

sternoclavicular
conoid
trapezoid
coracoacromial
coracohumeral
superior glenohumeral
middle glenohumeral
inferior glenohumeral

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11
Q

what ligament is sprained in anterior shoulder dislocation?

A

inferior glenohumeral

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12
Q

what are the roots of the brachial plexus?

A

C5-C8, T1
ventral rami of cervical spinal nerves

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13
Q

what are the roots for the superior trunk?

A

C5-C6

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14
Q

what are the roots for the middle trunk?

A

C7

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15
Q

what are the roots for the inferior trunk?

A

C8-T1

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16
Q

what are the terminal branches of the ventral rami and nerve roots?

A

phrenic C3-C5
dorsal scapular C4-C5
long thoracic C5-C7

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17
Q

what are the terminal branches of the superior trunk and their roots?

A

suprascapular C5-C6
nerve to subclavius C5-C6

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18
Q

what ate the terminal branches of the lateral cord and their roots?

A

lateral pectoral C5-C7
branch to median n. C5-C7
musculocutaneous C5-C7

19
Q

what are the terminal branches of the posterior cord and their roots?

A

upper subscapular C5-C6
middle subscapular C6-C8
lower subscapular C5-C6
axillary C5-C6
radial C5-T1

20
Q

what are the terminal branches of the medial cord and their roots?

A

medial pectoral C8-T1
medial brachial/ antebrachial
branch to median n.
ulnar
median

21
Q

what is the blood supply to the shoulder girdle?

A

subclavian artery turns into the axillary artery at the 1st rib
it has 3 parts (screw the lawyer save a patient)

22
Q

what is the innervation and function of the trapezius?

A

innervation: CN 11, C3-C4
function: elevation/depression, upward rotation, scapular retraction

23
Q

what is the innervation and function of the latissimus dorsi?

A

innervation: thoracodorsal n. C6-C8 (TouchDownn68)
function: IR, ADD, EXT of arm and expiration

24
Q

what is the innervation and function of the levator scapulae?

A

innervation: dorsal scapular
function: elevation and downward rotation of scapula

25
Q

what is the innervation and function of the rhomboids?

A

innervation: dorsal scapular
function: ADD and downward rotation of scapular

26
Q

what is the innervation and function of the supraspinatus?

A

innervation: suprascapular
function: ABD and stabilization of the humeral head

27
Q

what is the innervation and function of the infraspinatus?

A

innervation: suprascapular
function: ER and stabilization of the humeral head

28
Q

what is the innervation and function of the teres minor?

A

Innervation: axillary
function: ER and stabilization of the humeral head

29
Q

what is the innervation and function of the teres major?

A

innervation: lower subscapular
function: IR, EXT, ADD

30
Q

what is the innervation and function of the triceps brachii?

A

innervation: radial
function: shoulder ADD and EXT, elbow EXT

31
Q

what is the innervation and function of the deltoid?

A

innervation: axillary
function: FLX, IR, ABD, EXT, ER

32
Q

what is the innervation and function of the subclavius?

A

innervation: subclavian
function: depression of the clavicle

33
Q

what is the innervation and function of the sternocleidomastoid?

A

Innervation: CN 11
function: (I) FLX and SB, (C) rotation, elevation of thorax and shoulder

34
Q

what is the innervation and function of the pectoralis major?

A

innervation: lateral and medial pectoral
function: IR, FLX, ADD of arm

35
Q

what is the innervation and function of the pectoralis minor?

A

innervation: medial pectoral
function: depression and anterior tilt of scapula, elevation of ribs

36
Q

what is the innervation and function of the biceps brachii?

A

innervation: musculocutaneous
function: FLX of arm and forearm, ADD of GH, supination of forearm

37
Q

what is the innervation and function of the serratus anterior?

A

innervation: long thoracic (SALT57)
function: protraction, hold scapula to thorax, upward rotation of scapula, elevation of ribs

38
Q

what is the innervation and function of the coracobrachialis?

A

innervation: musculocutaneous
function: ADD/FLX of GH

39
Q

what is the innervation and function of the omohyoid?

A

innervation: ansa cervicalis
function: depression of hyoid

40
Q

what is the innervation and function of the subscapularis?

A

innervation: upper and lower subscapular
function: ADD, IR

41
Q

what are the boundaries and contents of the quadrangular space?

A

boundaries: teres minor/major, triceps long head, humeral surgical neck
contents: axillary n., posterior circumflex humeral a.

42
Q

what are the boundaries and contents of the triangular space?

A

boundaries: teres minor/major, triceps long head
contents: circumflex scapular a.

43
Q

what are the boundaries and contents of the triangular interval?

A

boundaries: teres minor, lateral head of triceps
contents: radial n., deep brachial a.

Anatomy Unit 4 (3 decks)

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