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The musculocutaneous nerve is a mixed branch of the lateral cord of the brachial plexus derived from cervical spinal nerves C5-C7. It arises opposite the lower border of the pectoralis major. It provides motor innervation to the muscles of the anterior compartment of the arm: the coracobrachialis, biceps brachii, and brachialis. [ 1 ]
Triangular fibrocartilage disc. The triangular fibrocartilage disc (TFC) is an articular discus that lies on the pole of the distal ulna. It has a triangular shape and a biconcave body; the periphery is thicker than its center. The central portion of the TFC is thin and consists of chondroid fibrocartilage; this type of tissue is often seen in ...
pectineus. gemellus inferior. obturator externus. quadratus femoris. Sartorius. of leg at knee [3] Biceps femoris. of eyeball (motion is also called "extorsion" or excyclotorsion) [4] Inferior rectus muscle.
Curl the weights toward your shoulders in a hammer-like motion. Lower the weights with control and repeat." Complete four sets of 10 to 12 reps per arm with 60 seconds of rest between sets. 5 ...
The pronator teres is a muscle (located mainly in the forearm) that, along with the Pronator quadratus muscle pronator quadratus, serves to pronate the forearm (turning it so that the palm faces posteriorly when from the anatomical position). It has two origins, at the medial humeral supracondylar ridge and the medial side of the coronoid ...
Your body’s balance center is governed by three peripheral sensory systems: ... Children between the ages of 2-12 are more prone to experiencing motion sickness than adults, per Cleveland Clinic
However, hammer curls also emphasize two other arm muscles: the brachialis, a muscle beneath the biceps brachii that helps support the elbow joint, and the brachioradialis, a forearm muscle that ...
Cross-section through the middle of the forearm. (Muscles of mobile wad visible at center left.) The mobile wad (or mobile wad of Henry) is a group of the following three muscles found in the lateral compartment of the forearm: [1] It is also sometimes known as the "wad of three", [2] "lateral compartment", [3] or "radial group" [4] of the forearm.