Flexion or extension of a certain body part typically refers to joints. Flexing a joint usually means closing it, and decreasing the angle between the body parts, while extending a joint means opening ...

TRAINING EFFECTIVELY MEANS training smart. There are plenty of gym-centric terms floating around the fitness zeitgeist that won’t necessarily help you become stronger or build more muscle, especially ...

SPEND ENOUGH TIME in the gym (or consume enough fitness-related content online), and you’re sure to encounter plenty of physiology terms. If you’re not a trainer yourself or you never took any type of ...

Your elbow is important because it allows you to move your hand into almost any position so you can perform various activities. When your forearm moves toward your body by bending at your elbow, it’s ...

Flexion and extension refer to directions of motion that affect the angle of a joint. Flexion is when the joint is closed, while extension is when it is opened. Flexion and extension are the two ...