flex1
v. 1 bend (a joint, limb, etc.) Or be bent. 2 move (a muscle) or (of a muscle) be moved to bend a joint. [latin flecto flex- bend]
v. 1 bend (a joint, limb, etc.) Or be bent. 2 move (a muscle) or (of a muscle) be moved to bend a joint. [latin flecto flex- bend]