New 2Nd Class Lever Examples In The Body Pictures. First, second and third class levers in the body. Levers in our body are formed from bones, joints and muscles.
For example, the forearm is a 3rd class lever because the biceps pulls on the forearm between the joint (fulcrum) and the ball (load).
Common examples are:wheel barrowhole puncherstaplerwagonnutcrackerbottle openernail. Most of the muscles in the human body use bones as the levers against which they work for example, the biceps and brachialis muscles in the arm use the forearm bones in order to apply force and move our lower arms. For example, the forearm is a 3rd class lever because the biceps pulls on the forearm between the joint (fulcrum) and the ball (load). In the second class lever, the load is between the fulcrum and the force: