What Muscle Tendons Are in the 4Th Extensor Compartment

CompartmentComponent(s)Associated pathology3Extensor pollicis longus tendonDrummer’s wrist4Extensor digitorum tendons Extensor indicis tendonFourth compartment syndrome5Extensor digiti minimi tendonVaughn-Jackson syndrome6Extensor carpi ulnaris tendonSnapping extensor carpi ulnaris

What is the fourth extensor compartment?

Compartment 4: Extensor digiti communis, posterior interosseous nerve. 5% 4. Compartment 3: Extensor pollicus longus, extensor carpi radialis longus.

How many extensor tendons are in the wrist?

Finger Extensors The tendons travel down the forearm through a tough band of tissue on top of the wrist. The band of tissue, or retinaculum, holds the tendons in place but allows them to slide up and down the arm. The four tendons then continue along the back of the hand and onto each finger.