The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...

Millions have rolled up their sleeves for the COVID-19 vaccine, but why haven’t they rolled up their pants legs instead? Why do we get most shots in our arms? As an associate professor of nursing with ...

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 ...