The extensor apparatus of the human hand comprises a network of tendons that arise from forearm musculature and traverse the dorsal wrist to insert on the digits and thumb. While the extensor ...

The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus ...

Medically reviewed by Oluseun Olufade, MD Key Takeaways Remember that your finger joints can get hurt if used too much or due to arthritis.If your finger joints hurt or you can't move them, see a ...