As nouns the difference between flexion and flex
is that flexion is the act of bending a joint, especially a bone joint the counteraction of extension while flex is (uncountable) flexibility, pliancy.
What does it mean to flex knee?
BREAKING DOWN – Flex
When bring your ankle closer to your buttocks and bend your knee, you are flexing the knee joint. This movement allows us to walk, run, and jump. It further allows the knee and other joints to absorb forces and stress placed on the body.
How is flexion defined?
1 : a bending movement around a joint in a limb (as the knee or elbow) that decreases the angle between the bones of the limb at the joint — compare extension sense 2. 2 : a forward raising of the arm or leg by a movement at the shoulder or hip joint.
