Upper Limb

Posterior Interosseous Nerve Question 1. Give the origin, insertion, nerve supply, and action of the supinator muscle. Answer. Supinator muscle Origin Deep part: From the supinator crest of the ulna and the triangular area in front of it (supinator fossa). Superficial part: From the lateral epicondyle of the humerus, the radial collateral ligament and … [Read more...] about Posterior Interosseous Nerve

Muscles Of The Posterior Forearm Question 1. Give the origin and insertion of superficial muscles on the back of forearm. Answer. Question 2. Give the origin, insertion, nerve supply and actions of the brachioradialis. Answer. Brachioradialis Origin Upper two-third of the lateral supracondylar ridge of the humerus. Brachioradialis Insertion Lateral … [Read more...] about Muscles Of The Posterior Forearm

Anatomy, Shoulder and Upper Limb, Forearm Muscles Question 1. Enumerate the structures passing through various compartments underneath the extensor retinaculum. Answer. The structures passing through various compartments underneath the extensor retinaculum are: "Understanding the shoulder and upper limb through FAQs: Composition, functions, and uses … [Read more...] about Anatomy, Shoulder and Upper Limb, Forearm Muscles

Back Of The Forearm Question 1. Describe the extensor retinaculum at the wrist in brief. Answer. The extensor retinaculum is a strong fibrous band about 2 cm broad running obliquely downwards and medially on the back of the wrist. It is formed by the thickening of the deep fascia. It holds the extensor tendons in place. "Understanding the back of the forearm through … [Read more...] about Back Of The Forearm

Muscles In The Anterior Compartment Of The Forearm Question 1. Give the origin and insertion of deep muscles on the front of the forearm in a tabular form. Answer. Question 2. Enumerate the structures on the front of the wrist. Answer. anterior compartment forearm muscles From the lateral to medial side, these are Radial artery Tendon of flexor … [Read more...] about Muscles In The Anterior Compartment Of The Forearm