As your broken arm heals, the muscles around the injury may become weak and stiff. When your surgeon says it's okay, you'll ...

Best muscle rubs 4. Broken bone A broken arm, also known as a fracture, can happen to any of the three bones in the arm, the radius and ulna, which make up the forearm, or the humerus — the ...

Pain in your left arm can have many different causes, from injuries and muscle strain to a pinched ... acute left arm pain ...

Your tricep muscles contract and pull, while your bicep muscles relax, causing your arm to straighten back out. You can find antagonistic pairs in your legs too. Just extend and curl and see which ...