Jan 4, 2025 · De Quervain's Tenosynovitis is a stenosing tenosynovial inflammation of the 1st dorsal compartment. Diagnosis is made clinically with radial sided wrist pain made worse with …

Extensor tendon compartments of the wrist are anatomical tunnels on the back of the wrist that contain tendons of muscles that extend (as opposed to flex) the wrist and the digits (fingers …

Origin: ½ dorsal side of the radius, the membrana interossea; Insertion: base of the proximal phalanx of the thumb; Function: Wrist joint: radial abduction; Thumb: extension; Innervations: …

Nov 3, 2023 · 1st dorsal interosseous muscle: this muscle is the largest and strongest of the dorsal interossei and is sometimes referred to as abductor indicis. It arises from the adjacent …

The first dorsal compartment overlies the radial styloid and contains the APL and EPB tendons, which are responsible for abduction and extension of the thumb at the carpometacarpal joint …

Dec 19, 2024 · De Quervain tenosynovitis, also known as washerwoman's sprain/strain, is a painful stenosing tenosynovitis involving the first extensor (dorsal) tendon compartment of the …

The first dorsal interosseous muscle of hand is found in the interosseous compartment of the hand. It is a short, bipennate skeletal muscle. It is located: - posterior to the adductor pollicis …

The first dorsal interosseous muscle can be tested by placing the patient's palm flat on a table and asking the patient to abduct his/her index finger against the examiner's resistance. The muscle …

Mar 19, 2024 · Make a radial incision over the 1st dorsal compartment with release of the fibro-osseous tunnel and all its septa, as well as the release of the fascial sheaths of each tendon …

Mar 30, 2024 · The flat, triangular 1st dorsal interosseous muscle (also called the abductor indicis) is the largest of the 4 and is the easiest to palpate in the web between the index finger and the …