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 ...

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...

The biceps and triceps are two major muscle groups of your arm that play a significant role in the movement of the upper extremities. Well-developed biceps and triceps are highly sought after by ...

We live in a muscle-obsessed culture. If you train smart and hard, you don't need to spend every day in the gym, though. Build your upper body with chest presses, rows, lateral raises, bicep curls, ...