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 ...

In patients with heart failure, mid-upper arm circumference (MUAC) and arm muscle circumference (AMC) are more significantly associated with prognosis than guideline-recommended skeletal muscle mass ...

Common arm workouts with overhead movements can cause pain or injury, according to trainer Cat Kom. If you feel a sharp pain or pinch in your shoulder or back, try a more joint-friendly exercise.