a body starts from rest and moves with a uniform acceleration of 2 metre per second -1 for 8 seconds The distance travelled by the body during the internal is
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Expert coaches are able to analyze the techniques involved in athletics and modify them to make desired improvements with a particular athlete. The novice coach often has difficulty deciding which technique to use and what modifications to make. The simplest and most often used approach to overcome this difficulty is to copy the event techniques used by current champions. The problem that arises is top athletes frequently have different techniques and additionally, coaches and athletes copy bad, as well as good, aspects of each technique.
Every athlete has individual strengths and weaknesses. The technique of the champion is frequently built on training and practice over many years and is developed to suit his particular strengths and weaknesses. This highly developed technique is usually not suitable for a developing coach or athlete. How can coaches improve their ability to select the best techniques and identify the causes of faults they observe? To answer this question an understanding of what produces movement and an ability to analyze movement is essential for the modern coach.
FORCE
Forces produce movement and a force is simply a pull or a push. We cannot see force, but are aware of it because of the effects it produces. For example, a high jumper applies force to the ground. We do not see the force but we observe the results, the athlete leaving the ground. Biomechanics is the science concerned with understanding the internal and external forces acting on a human body and the effects produced by these forces. Internal forces are those forces created inside the athlete's body by the action of muscles pulling on bones. External forces are those acting outside the body such as gravity and friction.
In this unit we will look at the basic language and principles of biomechanics to help your analysis of movement. These principles applied in practice, combined with the development of a good "coaching eye", will make you a more effective coach.
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