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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 forearm muscles are divided into two compartments based on location and action: the anterior or flexor compartment and the posterior or extensor compartment. There are a total of 19 muscles in the forearm that help move not only the elbow and wrist joints but also the joints in the hand and fingers.
3 lis 2023 · Flexor carpi radialis originates from the medial epicondyle of humerus, via the common flexor tendon, and surrounding fascia (antebrachial fascia and intermuscular septa). This common flexor tendon is a common origin for the six long flexor muscles in the forearm; flexor carpi radialis, palmaris longus, flexor carpi ulnaris, pronator teres ...
2 lis 2023 · The muscle splits into four tendons that pass behind the flexor retinaculum and go on to insert onto the middle phalanges of digits 2-5. Flexor digitorum superficialis is innervated by the median nerve (C8-T1) and vascularized by the ulnar and radial arteries.
8 paź 2024 · The muscle splits into four tendons at the wrist, which travel through the carpal tunnel, and attach to the base of the middle phalanx of the four digits. Actions: Flexes the metacarpophalangeal joints and proximal interphalangeal joints at the 4 fingers, and flexes at the wrist.
22 sie 2016 · Five muscles attach into the common flexor tendon: (1) flexor carpi radialis, (2) palmaris longus, (3) flexor carpi ulnaris, (4) pronator teres, and (5) flexor digitorum superficialis. The common extensor tendon attaches to the lateral epicondyle of the humerus.
Flexor pollicis longus (FPL) tendon. The FPL tendon bends the thumb. It is unique to humans. It starts as a muscle in the forearm and then travels as a tendon in the wrist through the carpal tunnel. It is then covered by a tunnel, or sheath, and inserts into the most distal (farthest from your body) bone in the thumb.
