Elbow Flexors

Question 1

Bicep Brachii

Answer 1

Origin: Sup. surface of scapula (long head), ant. surface of scapula (short head)
Insertion: Radius
Action: Flex. of elbow and shoulder joints, supination of forearm

Question 2

Brachialis

Answer 2

Origin: Mid-surface of humerus
Insertion: Sup. surface of ulna
Action: Flex. of elbow, esp. when shoulder is already flexed

Question 3

Brachioradialis

Answer 3

Origin: Dist. surface of humerus
Insertion: Palm of hand
Action: Flex. of elbow and supination of radioulna joint