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Leg extension machine. The leg extension is performed while seated by raising a weight out in front of the body with the feet. It is an isolation exercise for the quadriceps. Overtraining can cause patellar tendinitis. [4] The legs extension serves to also strengthen the muscles around the knees and is an exercise that is preferred by physical ...
Bridging exercises are done with a flexed knee to lessen the stretch on the hamstring (a knee flexor) and focus the hip extension work on the gluteus maximus. In that same respect, the reduced knee flexion makes plantar flexion work comparable to a seated calf raise, due to the lessened stretch on the gastrocnemius (like the hamstring, also a knee flexor).
The leg extension machine was created by American fitness guru Jack LaLanne in the 1950s. [3] The first prototype is recognized to have been made under Gustav Zander, but labeled the machine as a form of “mechanotherapy” along with other machines that extended the knee and ankle. [3] The machine was made to target the quadriceps.
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Back extension performed at an angle using an exercise ball. Back extensions can be performed with or without various equipment. Without any equipment It may be performed on the ground by lying prone with arms overhead and lifting the arms, upper torso, and legs as far as possible. Gravity provides resistance to strengthen the back extensor ...
Lying leg curl Standing leg curl at the finishing phase Seated leg curl at starting phase Seated leg curl at finishing phase. The leg curl, also known as hamstring curl, is an isolation exercise that targets the hamstring muscles. [1] The exercise involves flexing the lower leg against resistance towards the buttocks. There are three types of ...
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An example of this is when a person steps on a nail: The leg that is stepping on the nail pulls away, while the other leg takes the weight of the whole body. [ 4 ] The crossed extensor reflex is contralateral, meaning the reflex occurs on the opposite side of the body from the stimulus.