Pronator quadratus muscle :-

Pronator quadratus muscle :- Muscle details :- a square shaped muscle on the distal forearm that acts to pronate (turn so the palm faces downwards) the hand . origin :- medial, anterior surface of the ulna . Insertion :- lateral, anterior surface of the radius . Nerve :- median nerve… Continue reading

Extensor indicis :-

Extensor indicis :- Muscle details :-     a narrow, elongated skeletal muscle in the deep layer of the dorsal forearm, placed medial to, and parallel with, the extensor pollicis longus. Its tendon goes to the index finger, which it extends. Origin :- posterior surface of shafts of ulna . Insertion :-… Continue reading

Extensor pollicis brevis :-

Extensor pollicis brevis :- Muscle details :- the extensor pollicis brevis is a skeletal muscle on the dorsal side of the forearm. It lies on the medial side of, and is closely connected with, the abductor pollicis longus. Origin :- posterior surface of shafts of radius . Insertion :- base… Continue reading

Abductor pollicis longus :-

Abductor pollicis longus :- Muscle details :- one of the extrinsic muscles of the hand. As the name implies, its major function is to abduct the thumb at the wrist. Its tendon forms the anterior border of the anatomical snuffbox. Origin :- posterior surface of shafts of radius and ulna… Continue reading

Supinator muscle :-

Supinator muscle :- Muscle details :-  the supinator is a broad muscle in the posterior compartment of the forearm, curved around the upper third of the radius. Its function is to supinate the forearm . Origin :- lateral epicondyle of humerus , annualar ligament of superior radioulnar joint . Insertion… Continue reading

Extensor carpi ulnaris muscle :-

Extensor carpi ulnaris muscle :- Muscle details :- a skeletal muscle located on the ulnar side of the forearm. It acts to extend and adduct at the carpus/wrist from anatomical position. Origin :- lateral epicondylar of little finger . Insertion :- base of fifth metacarpal bone . Nerve supply :-… Continue reading

Extensor digiti minimi muscle :-

Extensor digiti minimi muscle :- Muscle detrails :- a slender muscle of the forearm, placed on the ulnar side of the extensor digitorum communis, with which it is generally connected. Origin :- lateral epicondylar of humerus . Insertion :- extensor expansion of little finger . Nerve supply :- deep branch… Continue reading

extensor digitorum muscle :-

Extensor digitorum muscle :- Muscle details :- The extensor digitorum muscle (also known as extensor digitorum communis) is a muscle of the posterior forearm present in humans and other animals. It extends the medial four digits of the hand. Extensor digitorum is innervated by the posterior interosseous nerve, which is… Continue reading

Extensor carpi radialis brevis muscle :-

Extensor carpi radialis brevis muscle :- Muscle details :– extensor carpi radialis brevis is a muscle in the forearm that acts to extend and abduct the wrist. Origin :- lateral epicondyle of humerus . Insertion :- posterior surface of base of third metacarpal . Nerve supply :- deep branch of… Continue reading