Abstract: Applying an external force to a person's hyperextended fingertip produces electrical activity of the extensor digitorum muscle even when the hand is not opened by the person. Based on this, ...

Illustration by Duchenne to show that faradisation of the common extensor muscle of the fingers only causes extension of the first phalages on the metacarpals and the hand is extended on the forearms.

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 ...

Climbers tend to be hyper-focused on training their finger and pulling strength, at the expense of antagonist muscle groups, mobility, and recovery. With gyms closed or at limited capacity, more ...