Unexplained muscle pain in the arms and legs may be the result of benign issues. Or it may point to a more serious underlying condition, such as fibromyalgia, infection, or thyroid issues. Muscle pain ...

Your little one is moving and grooving and learning more about how their body works with each passing day. Some of your infant’s movements may seem organized; others, not so much. Arm flapping may ...

Restless legs syndrome (RLS) can sometimes affect the arms. When symptoms only occur in the arms, the condition is called restless arms syndrome (RAS). RAS is much less common. RLS in the arms may ...