Arm and Elbow (Week 4)

Question 1

ANTERIOR
Origin of Biceps Brachii-Long head & short head

Answer 1

Long head = supraglenoid tubercle of scapula
Short head = Coracoid process of scapula

Question 2

ANTERIOR
Origin of brachialis

Answer 2

Anterior surface of humerus

Question 3

ANTERIOR
Origin of coracobrachialis

Answer 3

Coracoid process of scapula

Question 4

ANTERIOR
Origin of Brachioradialis

Answer 4

Lateral supracondylar ridge of humerus

Question 5

ANTERIOR
Insertion of Biceps brachii

Answer 5

Radial tuberosity

Question 6

ANTERIOR
Insertion of Brachialis

Answer 6

Ulnar tubersoity
AND
Coronoid process of ulnar

Question 7

ANTERIOR
Insertion of coracobrachialis

Answer 7

Shaft of humerus

Question 8

ANTERIOR
Insertion of brachioradialis

Answer 8

Styloid process of radius

Question 9

ANTERIOR
Action of Biceps brachii

Answer 9

Flexion of elbow joint

Question 10

ANTERIOR
Action of brachialis

Answer 10

Flexes elbow joint

Question 11

ANTERIOR
Action of coracobrachialis

Answer 11

Flexes and adducts shoulder joint

Question 12

ANTERIOR
Action of brachioradialis

Answer 12

Flexion of the forearm

Question 13

POSTERIOR
Origin of triceps brachii
Long, Lateral, and Medial head

Answer 13

Long head = infraglenoid tubercle of scapula
Lateral head = upper posterior surface of humerus
Medial head = lower posterior surface of humerus

Question 14

POSTERIOR
Insertion of triceps brachii

Answer 14

Olecranon process of ulna

Question 15

POSTERIOR
Action of triceps brachii

Answer 15

Extends elbow joint

Question 16

ANTERIOR
Nerve supply of Biceps Brachii, Coracobrachialis, Brachialis, Brachioradialis

Answer 16

Musculocutaneous nerve

Question 17

POSTERIOR
Nerve supply of Triceps

Answer 17

Radial nerve