Biceps curls employ a third-class lever, with the force being exerted by the bicep muscle between the fulcrum at the elbow joint and the weight in your hands. A hockey stick is a 3rd order lever. Examples in strength training. This type of lever is found in the neck when raising your head to head a football. 2. A shovel is an example. Levers can be used so that a small force can move a much bigger force. (2000) provides the following examples of levers in the human body: Class 1 - Seated dumbbell triceps extension Davis et al. In analysing movement in sport it is sometimes convenient to regard large segments of an athlete, e.g. Using Levers to Enhance Sports Performance. The muscle forces of the human body are applied through a system of levers (bones rotating about their joints) to which the principle of moments, discussed earlier, is fundamental. The neck muscles provide the effort, the neck is the fulcrum, and the weight of the head is the load. Fulcrum is the top of the handle, load is the body of the bat, and the force is closer to the neck of the handle. A fishing rod is an example of a Class Three Lever. ExRx.net notes that most levers in the body are third-class levers, in which force is applied between the fulcrum and the resistance. This is called mechanical advantage. Examples are shovels, fishing rods, human arms and legs, tweezers, and ice tongs. Cricket bat (varies) = 2nd class. Elbow, Shoulder, hip, knee. The Load of course is the … Muscles and bones act together to form levers. Class 3 is the most common class of lever to be found in the human body. A shovel is an example. A lever is a rigid rod (usually a length of bone) that turns about a pivot (usually a joint).