Hand Anatomy Flexor Tendons

They travel down the forearm and within the carpal tunnel. These tendons enter the hand via the carpal tunnel enclosed in a common synovial sheath. The flexor retinaculum is a strong fibrous band that covers the carpal bones on the palmar side of the hand near the wrist.

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The long flexor tendons of the fingers arise from the flexor digitorum superficialis fds and flexor digitorum profundus fdp forearm muscles.

Hand anatomy flexor tendons. Flexor tendon and muscles anatomy mnemonic flexor tendon anatomy can be best understood by individual structures or zones of the hand. Within the hand the tendons fan out and enter their respective fibrous flexor sheaths.

It is not unusual to have numbness tingling and a lot of bleeding after a tendon is lacerated. Ever present rim kleinert belt loop karev extensor retinaculum lister palmaris longus transplantation through volar plate doyle and blythe location specific proximal phalanx for a2 pulley.

The flexor tendons in the arm wrist and hand are in very close proximity to nerves and arteries. The flexor tendons of the hand and fingers pass through the carpal tunnel of the wrist before separating in the palm and moving toward their ultimate attachment sites in the fingers.

Flexor digitorum superficialis fds tendons fds tendons help bend the index middle ring and small fingers at the middle finger joint. The ability to flex the fingers consists of.

Each finger has two flexor tendons the flexor digitorum superficialis fds and the flexor digitorum profundus fdp fig. Ebraheim s educational animated video describes the anatomy and injury of the flexor tendons of the fingers.

On the ulnar side the flexor retinaculum attaches to the pisiform bone and the hook of the hamate bone. The flexor digitorum superficialis fds and flexor digitorum profundus fdp are the flexor tendons of the fingers and the flexor pollicis longus fpl is the only thumb flexor.

In relation to individual structures there is a simple flexor tendon anatomy mnemonic the rule of 3 2 1. This is because there can be an injury to these other vital structures as well.

It attaches to the bones near the radius and ulna. The flexor tendons travel distally from the forearm through the carpal tunnel and are named based on the forearm muscles from which they arise.

They are powered by a common muscle belly shared by all the fingers which divides into 4 tendons. Failure to remove scar tissue dorsal to tendon tendon is not pressed against bone nonencircling reconstruction.