Arm muscle anatomy refers to the location and function of the muscles of the arms. These muscles attach to the shoulder blade, upper arm bone (humerus), forearm bones (radius and ulna), wrist ...

How to Strengthen Arm Muscles Here are some exercises you can try to strengthen your forearm muscles: Carry a heavy object -- a suitcase, a dumbbell, a tire -- and walk for as long as possible.

Muscle cramps when you use your arm; Trouble rotating your arm (such as turning the palm up or down) You could also see a big bulge in your upper arm. It will look like you have a huge biceps muscle.

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle ...

It consists of a long head (outside of your arm) and a short head (inside of your arm). These two heads of the muscle create the biceps—the muscle we want to build up through training.