Hand weakness can stem from a variety of conditions, such as carpal tunnel syndrome, arthritis, peripheral neuropathy, and ganglion cysts. A weakened hand or grip can make everyday tasks much more ...

Split hand syndrome is a potential sign of amyotrophic lateral sclerosis (ALS). This means that some of the muscles in the hand are weak and thin (atrophied), while others are less affected.

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Poorly functioning blood vessels lead to the characteristic muscle weakness that so many cancer patients experience. Artur Plawgo/Science Photo Library via Getty Images Tumors can destroy the blood ...