Lab 3 Flashcards

(50 cards)

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
Blood Supply of Supraspinatus
Suprascapular Artery
26
Origin of Infraspinatus
infraspinatus fossa of scapula
27
Insertion of infraspinatus
middle facet of greater tubercle of humerus
28
Action of Infraspinatus
External Rotation of shoulder | stabilizes glenohumeral joint
29
Nerve Supply of Infraspinatus
Suprascapular Nerve
30
Blood Supply of Infraspinatus
Suprascapular Artery
31
Origin of Teres Minor
Superior 2/3rd of axillary border of scapula
32
Insertion of Teres Minor
Inferior facet of greater tubercle of humerus
33
Action of Teres Minor
external rotation of shoulder | stabilizes glenohumeral joint
34
Nerve Supply of Teres Minor
Axillary Nerve
35
Blood Supply of Teres Minor
Posterior Circumflex Humeral Artery (PCHA)
36
Origin of Subscapularis
Subscapular Fossa of Scapula
37
Insertion of Subscapularis
Lesser tubercle of humerus
38
Action of Subscapularis
Internal rotation of shoulder | stabilizer glenohumeral joint
39
Nerve supply of subscapularis
upper subscapular nerve | lower subscapular nerve
40
blood supply of subscapularis
circumflex scapular artery
41
Origin of Deltoid
Anterior deltoid- lateral third of clavicle middle deltoid- lateral portion of acromion posterior deltoid- spine of scapula
42
Insertion of Deltoid
Deltoid tuberosity of humerus
43
Action of deltoid
``` 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
Nerve Supply of Deltoid
Axillary Nerve
45
Blood Supply of Deltoid
Posterior Circumflex Humeral Artery (PCHA)
46
Origin of Teres Major
posterior surface of inferior angle of scapula | inferior 1/3rd of axillary border of scapula
47
Insertion of Teres Major
Medial Lip of bicipital (intertubercular) groove of humerus
48
Action of Teres Major
Extension of shoulder internal rotation of shoulder aDDuction of shoulder
49
Nerve supply of Teres Major
Lower subscapular nerve
50
Blood supply of teres major
circumflex scapular artery