Abductor pollicis longus: This tendon helps you move the thumb away from the palm to form an open hand. Flexor pollicis longus: This tendon helps you bend the thumb. Learn more about anatomy of the fingers, hand, wrist, arm and shoulder at erdves.info
De Quervain's tendinosis is a condition that causes pain, tenderness, and swelling along the thumb side of your wrist. The condition develops when the tendons.
If you experience a deep cut to the palm side of your fingers, hand, wrist, or forearm, you may damage your flexor tendons. These are the tissues that help control.