Search results
28 lis 2023 · Extending from the wrist to the elbow joint is the region of the upper extremity called the forearm (antebrachium). The forearm helps the shoulder and the arm in force application and the precise placement of the hand in space, with the help of the elbow and radioulnar joints.
The inserting tendons of the 3 deepest muscles, the abductor pollicis longus, extensor pollicis brevis, and extensor pollicis longus, form the medial and lateral borders of the anatomical snuffbox — the triangular depression on the radial side of the dorsum, at the base of the thumb. These 3 muscles can together be referred to as the ...
3 lis 2023 · Extensor carpi radialis brevis is located in the radial (lateral) part of the forearm, sitting deep to extensor carpi radialis longus. As its name suggests, extensor carpi radialis brevis is the shortest of these two muscles. Its tendon courses deep to abductor pollicis and extensor pollicis brevis before passing under the extensor retinaculum ...
3 lis 2023 · Extensor digitorum is a superficial muscle of the posterior compartment of the forearm. Like the majority of the muscles in this compartment, it originates via common extensor tendon that arises from the lateral epicondyle of humerus.
Extensor digiti minimi (EDM) tendon. The EDM straightens the small finger. It works with the extensor digitorum communis to the small finger. The muscle belly is in the forearm. The tendon travels through a tough band or retinaculum at the wrist and then into the hand.
24 mar 2024 · anatomy at elbow. it leaves the triangular interval (teres major, long head of triceps and humeral shaft) found in spiral groove 13 cm above the trochlea. pierces lateral intermuscular septum 7.5 cm above the trochlea. this is usually at the junction of the middle and distal third of the humerus.
2 lis 2023 · The orientation of the bones forming the elbow joint produces a hinge type synovial joint, which allows for extension and flexion of the forearm: Extension – triceps brachii and anconeus Flexion – brachialis, biceps brachii, brachioradialis
