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 ...

Upper crossed syndrome refers to a particular configuration of overlapping overactive and underactive muscle groups in the neck, chest, and shoulders. Typically, poor posture causes the syndrome, ...

Since the inception of modern strength training, the push-up has remained one of the top bodyweight exercises for targeting muscles of the upper body. This essential movement continues to be a staple ...