12th Class Physical Education Solved Paper - Physical Education-2016 Outside Delhi

  • question_answer
    Differentiate mechanically between walking and running. Explain in detail mechanical analysis of walking.

    Answer:

    Walking: Walking is rolling down from heel to toe action. The first phase is heel strikes the ground followed by the transfer of weight and balance making. Afterwards the heel is rolled forward and push is given by toe and swing comes after. During walking the head should be straight without tension in shoulder. In the torso region the abdomen muscles should be slightly tightened, loose abdomen muscles cause back pain. The arm swing helps to gain speed in walking.
    Running: Running is a toe action movement. For running, the focus is on the three major producing action- push off, knee-drive and paw-back. These three phases are done in a sequential manner to provide efficient running action, push off is the primary toe action movement needed to supply the driving force in forward direction. The force comes from the powerful contraction of calf muscles by extension of ankle joint. The slight flexion of knee joint provides horizontal force instead of vertical force. Body is also bent forward.


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