1.Which part of your body is more easily to be hurt when you lift heavy things? A.The leg muscles. B.The back muscles C.The hips D.The knees 2.Many people hurt their backs when they lift something because ___. A.they are not strong B.the things are very heavy C.the...
Put your hand under the thing that is in front of you between y our knees. To lift the thing you should stand up slowly. Use your leg muscles in order to stand up. In other words lift with your legs not with your back. 1.Which part of your body is more easily to be hurt ...