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Lab 3 Flashcards

1
Q

Origin of Biceps Brachii

A

short head- coracoid process of scapula

long head- supraglenoid tubercle of scapula

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2
Q

Insertion of Biceps Brachii

A

tendon- radial tuberosity

biceptial aponeurosis- deep fascia on ulna

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3
Q

Action of Biceps Brachii

A

both heads- supination of forearm, flexion of elbow
short head- also flexion of elbow
long head- aBduction of externally rotated shoulder

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4
Q

Nerve Supply of Biceps Brachii

A

musculocutaneous nerve

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5
Q

blood supply of Biceps Brachii

A

brachial artery

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6
Q

Origin of Coracobrachialis

A

Tip of coracoid process of scapula

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7
Q

Insertion of Coracobrachialis

A

Middle 1/3rd of humerus

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8
Q

Action of Coracobrachialis

A

Flexion of shoulder

aDDuction of shoulder

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9
Q

Nerve Supply of Coracobrachialis

A

Musculocutaneous Nerve

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10
Q

Blood Supply of Coracobrachialis

A

Brachial Artery

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11
Q

Origin of Brachialis

A

Lower half of anterior humerus

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12
Q

Insertion of Brachialis

A

Ulnar tuberosity

coronoid process of ulna

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13
Q

Action of brachialis

A

flexion of elbow

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14
Q

Nerve Supply of Brachialis

A

musculocutaneous nerve

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15
Q

Blood Supply of Brachialis

A

brachial artery

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16
Q

Origin of Triceps Brachii

A

long head- infragelnoid tubercle of scapula
lateral head- posterior humerus above spiral groove
medial head- posterior humerus bleow spinal groove

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17
Q

insertion of triceps brachii

A

Olecranon Process of Ulna

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18
Q

Action of triceps brachii

A

all heads- extension of elbow

long head only*- extension of shoulder

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19
Q

Nerve Supply of Triceps Brachii

A

Radial Nerve

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20
Q

Blood Supply of Triceps Brachii

A

Brachial Profunda Artery

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21
Q

Origin of Supraspinatus

A

supraspinous fossa of scapula

22
Q

Insertion of Supraspinatus

A

superior facet of greater tubercle of humerus

23
Q

Action of Supraspinatus

A

aBduction of shoulder

stabilizes glenohumeral joint

24
Q

Nerve Supply of Supraspinatus

A

Suprascapular Nerve

25
Q

Blood Supply of Supraspinatus

A

Suprascapular Artery

26
Q

Origin of Infraspinatus

A

infraspinatus fossa of scapula

27
Q

Insertion of infraspinatus

A

middle facet of greater tubercle of humerus

28
Q

Action of Infraspinatus

A

External Rotation of shoulder

stabilizes glenohumeral joint

29
Q

Nerve Supply of Infraspinatus

A

Suprascapular Nerve

30
Q

Blood Supply of Infraspinatus

A

Suprascapular Artery

31
Q

Origin of Teres Minor

A

Superior 2/3rd of axillary border of scapula

32
Q

Insertion of Teres Minor

A

Inferior facet of greater tubercle of humerus

33
Q

Action of Teres Minor

A

external rotation of shoulder

stabilizes glenohumeral joint

34
Q

Nerve Supply of Teres Minor

A

Axillary Nerve

35
Q

Blood Supply of Teres Minor

A

Posterior Circumflex Humeral Artery (PCHA)

36
Q

Origin of Subscapularis

A

Subscapular Fossa of Scapula

37
Q

Insertion of Subscapularis

A

Lesser tubercle of humerus

38
Q

Action of Subscapularis

A

Internal rotation of shoulder

stabilizer glenohumeral joint

39
Q

Nerve supply of subscapularis

A

upper subscapular nerve

lower subscapular nerve

40
Q

blood supply of subscapularis

A

circumflex scapular artery

41
Q

Origin of Deltoid

A

Anterior deltoid- lateral third of clavicle
middle deltoid- lateral portion of acromion
posterior deltoid- spine of scapula

42
Q

Insertion of Deltoid

A

Deltoid tuberosity of humerus

43
Q

Action of deltoid

A 
anterior deltoid- 
flexion of shoulder 
horizontal aDDuction of shoulder 
internal rotation of shoulder 
middle deltoid- 
aBduction of shoulder 
posterior deltoid- 
extension of shoulder 
horizontal aBduction of shoulder 
external rotation of shoulder
44
Q

Nerve Supply of Deltoid

A

Axillary Nerve

45
Q

Blood Supply of Deltoid

A

Posterior Circumflex Humeral Artery (PCHA)

46
Q

Origin of Teres Major

A

posterior surface of inferior angle of scapula

inferior 1/3rd of axillary border of scapula

47
Q

Insertion of Teres Major

A

Medial Lip of bicipital (intertubercular) groove of humerus

48
Q

Action of Teres Major

A

Extension of shoulder
internal rotation of shoulder
aDDuction of shoulder

49
Q

Nerve supply of Teres Major

A

Lower subscapular nerve

50
Q

Blood supply of teres major

A

circumflex scapular artery

GA Lab (5 decks)

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