Arm

Question 1

Which muscles are the flexors of the arm

Answer 1

Biceps brachii
Brachialis
Coracobrachialis

Question 2

Which nerve supplies the flexors of the arm

Answer 2

Musculocutaneous nerve

Question 3

Describe the origin and insertions of the biceps

Answer 3

Long head originates from supraglenoid tubercle of scapula and inserts into radial tuberosity

Short head originates from coracoid process and inserts into fascia of forearm

Question 4

Describe the origins and insertion of the coracobrachialis

Answer 4

Originates from coracoid process of scapula and inserts into medial mid shaft humerus

Question 5

Which nerve supplies the triceps brachii

Answer 5

Radial nerve (C6,7,8)

Question 6

Describe the origin and insertion of the triceps brachii

Answer 6

Long head originates from infraglenoid tubercle of scapula and inserts into olecranon of ulna

Question 7

What does the triceps do

Answer 7

Extends elbow joint

Question 8

State the boundaries of the cubital fossa

Answer 8

Lateral = Brachioradialis
Medial = pronator teres
Roof = skin, fascia and bicipital aponeurosis
Floor= Brachialis

Question 9

State the contents of the cubital fossa

Answer 9

Median nerve
Brachial artery
Biceps brachii tendon
Deep branch of radial nerve