Muscles Forming Boundary of Cubital Fossa

Question 1

Brachioradialis: Origin and insertion

Answer 1

Origin: Lateral supracondylar line of humerus

Inserts: Near styloid process of radius

Question 2

Brachioradialis: Action and Innervation

Answer 2

Flexes forearm at elbow

Innervated by radial nerve

Question 3

Pronator teres: Origin and Insertion

Answer 3

Origin: Superficial head from medial epicondyle of humerus: deep head from medial side of coronoid process of ulna

Question 4

Pronator teres: Action and Innervation

Answer 4

Pronates forearm

Innervated by median nerve (passes between 2 heads of origin)