levers in the body

Levers There atomic number 18 three vows of open. They c onlyed simply called world-class, number and third. They all have the same parts that make up a pry but are arranged differently, allowing movements that are suit to a specific area of the body. Every jimmy has a fulcrum, a turn on and campaign. The fulcrum is where the movement occurs. Its the pivot point. The load reveres to the pack being lifted in the movement. E.g. the neck is a 1st fellowshiping pry, the load is the weight of the head. The effort in the levers is the muscle that contracts to make the movement. E.g. the ankle is a 2nd degree lever, the effort is the gastrocnemius muscle. This makes the foot plantarflex. 1st order lever This type of lever, it flowerpot be found in the neck. In a 1st order lever the fulcrum lies an gibe between the effort and the load, as shown in the diagram below. In the neck the effort is the sternocleidomastiod and the effort is the mass of the head.

2nd order lever An example of a 2nd order lever is in the ankle. In this lever the gastrocnemius is the effort and the full-page body weight is the load. The fulcrum is located at the toes. As the gastrocnemius contracts the foot planter flexes. A open way to theorize it is that you go on tip toes. 3rd order lever An example of a 3rd order lever is at the elbow. The elbow joint is where the fulcrum is, the load is the lower progress (forearm and hand) and the effort is the bicep.If you want to get a full essay, order it on our website: OrderCustomPaper.com

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