FDP tendons help bend the index, middle, ring, and small fingers at the fingertip joint. The muscle that moves these tendons is a common muscle belly shared by all the fingers. The muscle belly divides into 4 tendons. They run down the forearm and within the carpal tunnel.

2024年2月6日 · Finger Anatomy: Tendon Flexor Digitorum Profundus. FDP tendons help bend the fingers at the fingertip joint. The same muscles regulate them as the rest of the fingers. This muscle is divided into four tendons that go down the forearm via the carpal tunnel and finally join to the fingertip bone.

2020年6月7日 · The flexor pulley system of the hand is a complex structure that co-ordinates flexion of the digits. It consists of: Long flexor tendons – and their associated synovial sheaths. Annular pulleys – 5 associated with each finger, 2 associated with the thumb. Cruciate pulleys – 3 associated with each finger.

2006年3月1日 · A basic understanding of the complex anatomy of the finger and of common tendon and ligament injury mechanisms can help physicians properly diagnose and treat finger injuries.

For images of pathology, and detailed descriptions. The primary structures to examine are: Flexor tendons and sheaths. Tendons: Flexor pollicis longus (FPL) runs through the carpal tunnel and thenar eminence to insert on the distal phalanx. Flexor pollicis brevis forms the thenar eminence of the hand. Thumb flexor anatomy labelled.

We discuss the midhand extensor tendons, dorsal hood, junctura tendinea, conjoint tendons, transverse retinacular ligament, triangular ligament as well as central and distal slip anatomy and ultrasound correlation.

2024年3月9日 · Hand anatomy consists of bones, muscles, and neurovascular structures that work together. They help us touch, hold, and move objects every day. While intrinsic hand muscles of hand anatomy play a role, forearm muscles also send tendons through the wrist, allowing for a wide range of movements.

The hand and wrist are complex structures composed of numerous bones, joints, muscles, tendons, and ligaments, all working together to provide a wide range of motion and functionality. The wrist contains eight small carpal bones arranged in two rows, connecting the forearm’s radius and ulna to the wrist and distally, the 14 phalanges that ...

The tendons that allow each finger joint to straighten are called the extensor tendons. The extensor tendons of the fingers begin as muscles that arise from the backside of the forearm bones. These muscles travel towards the hand, where they eventually connect to the extensor tendons before crossing over the back of the wrist joint. As they ...

2021年6月29日 · Long flexor tendons extend from the forearm muscles through the wrist and attach to the small bones of the fingers and thumb. When you bend or straighten your fingers, these flexor tendons slide through snug tunnels, called tendon sheaths, that keep the tendons in place next to their respective bones.