Trigger points in the adductor pollicis and opponens pollicis muscles cause aching pain in your thumb, the base of the thumb, and the thumb side of your wrist. Spillover pain may include most of the thumb, webbing, and the [...]
The flexors of your wrist and fingers work together to bend your wrist and curl your fingers. They are not differentiated in the same way that the finger and wrist extensors are. Pain may occur in just one or [...]
The supinator runs between the bones the radius and ulna in the forearm. It supinates your forearm, turning it palm up. The opposite of this pattern is pronation, rotating the forearm so that your palm faces downward. The causes, [...]
The extensors of the fingers include extensor indicis, extensor digitorum, and extensor digiti minimi. Collectively they extend all four fingers of the hand at the knuckle and finger joints. They are grouped together here because their location, function, and [...]
The extensors of the hand and the wrist include extensor carpi ulnaris, extensor carpi radialis longus, and extensor carpi radialis brevis. All three run most of the length of the forearm. Collectively, along with brachioradialis, they extend the hand [...]
