Which condition is linked to independently extending fingers?

The condition linked to independently extending fingers is extensor wad strain. This condition involves the group of muscles and tendons responsible for extending the fingers, known as the extensor muscles. When these muscles are strained due to excessive use or improper mechanics, it can lead to difficulty in independently extending the fingers fully.

In contrast, tenosynovitis and tendinitis generally refer to inflammation of the tendon sheath and tendon, respectively, but they do not specifically involve the functional independence of finger extension. These conditions might cause pain or restrict movement, but they typically do not manifest the distinct inability to extend the fingers one by one as seen in extensor wad strain.

Ulnar nerve entrapment affects the sensation and function in the hand and can lead to muscle weakness; however, the specific action of independently extending the fingers is primarily associated with the functioning of the extensor wad. This makes extensor wad strain the most relevant condition in the context of independent finger extension.