antagonistic muscles:
pairs of muscles that move parts of the body in opposite directions
posture:
the way you hold your body when you stand or sit
varicose veins:
veins in the body, usually the legs, which have been stretched out of shape and do not move blood through the body effectively anymore
pairs of muscles that move parts of the body in opposite directions
posture:
the way you hold your body when you stand or sit
varicose veins:
veins in the body, usually the legs, which have been stretched out of shape and do not move blood through the body effectively anymore