Wrist flexion is the action of bending your hand down at the wrist, so that your palm faces in toward your arm. It’s part of the normal range of motion of your wrist. When your wrist flexion is normal ...

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 ...

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 ...