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AS II - Test 3 > Pec and Shoulder > Flashcards

Pec and Shoulder Flashcards

1
Q

what type of joint is the sternoclavicular?

A

modified saddle type synovial

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2
Q

associated structures with sternoclavicular joint

A

fibrocartilage disc

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3
Q

joint type of acromioclavicular joint

A

plane type synovial joint

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4
Q

associated structures with acromioclavicular joint

A

fibrocartilage disc

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5
Q

joint type of glenohumeral joint

A

ball and socket type synovial joint

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6
Q

list non contractile structures enhancing stability of GH joint (3)

A
  1. coracoacromial ligament
  2. glenohumeral ligaments
  3. glenoid labrum
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7
Q

what is the glenoid labrum

A

fibrocartilaginous ring that attaches to margin of glenoid fossa and deepens the glenoid cavity

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8
Q

joint type of scapulothoracic joint

A

physiological (NOT anatomical) joint

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9
Q

degree of flexion/extension?

A

flexion to 180

extension to 60

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10
Q

degree of rotation

A

external to 60 degrees

internal to 80 degrees

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11
Q

degree of ab/adduction

A

0-180 degrees

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12
Q

degree of ab/adduction

A

ab: 0-90 degrees
ad: 0-45 degrees

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13
Q

scapulohumeral rhythm

A

to get full range of motion of glenohumeral joint, scapulothoracic joint contributes by rotating to move glenoid fossa, allowing for full range of motion

0-30 degrees: rotation at glenohumeral joint only

30-180 degrees: GH/ST movement

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14
Q

innervation of trapezius

A

CN XI, C3, C4

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15
Q

attachments of latissimus dorsi muscle

A
  • spinous process T7-T12, iliac crest, ribs 9-12
  • intertubercular groove of humerus
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16
Q

innervation of latissimus dorsi muscle

A

thoracodorsal nerve

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17
Q

attachments of levator scapulae muscle

A
  • transverse process of C1-C4
  • superior medial border of scapula
18
Q

innervation of levator scapulae muscle

A

dorsal scapular nerve (C5)

19
Q

attachments of rhomboid minor

A
  • spinous processes C7 and T1
  • medial scapular border at the level of root of scapular spine
20
Q

attachments of rhomoid major

A
  • spinous processes T2-T5
  • medial scapular border from level of spine to inferior angle
21
Q

innervation of rhomboid minor and major

A

dorsal scapular nerve

22
Q

innervation of pectoralis major

A

lateral and medial pectoral nerves

23
Q

innervation of pectoralis minor

A

medial pectoral nerve

24
Q

innervation of serratus anterior

A

long thoracic nerve

25
Q

innervation of subclavius

A

nerve to subclavius

26
Q

coracobrachialis attachments

A
  • tip of coracoid process
  • medial, middle 1/3 of humerus
27
Q

action of coracobrachialis

A

flex and adduct shoulder

28
Q

innervation of coracobrachialis

A

musculocutaneous nerve

29
Q

attachemnts of deltoid

A
  • scapula spine, acromion, lateral 1/3 of clavicle
  • deltoid tuberosity of humerus
30
Q

innervation of deltoid muscle

A

axillary nerve

31
Q

teres major attachments

A
  • inferior lateral aspect of posterior surface of scapula
  • medial lip of intertubercular groove of humerus
32
Q

teres major innervation

A

lower subscapular nerve

33
Q

4 rotator cuff muscles

A
  1. supraspinatus
  2. infraspinatus
  3. teres minor
  4. subscapularis
34
Q

supraspinatus attachments

A
  • supraspinous fossa
  • greater tubercle
35
Q

infraspinatus attachments

A
  • infraspinous fossa
  • greater tubercle
36
Q

teres minor attachments

A

middle part of lateral border of scapula

greater tubercle

37
Q

subscapularis attachments

A

subscapular fossa

lesser tubercle

38
Q

innervation of supraspinatus

A

suprascapular nerve

39
Q

innervation infraspinatus

A

suprascapular nerve

40
Q

innervation teres minor

A

axillary nerve

41
Q

innervation subscapularis

A

upper subscapular nerve and lower subscapular nerve

42
Q

what passes through quadrangular space?

A

axillary nerve and posterior humeral circumflex artery

AS II - Test 3 (7 decks)

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