Biomechanical Principles

Topics: Classical mechanics, Newton's laws of motion, Force Pages: 4 (1432 words) Published: August 1, 2012
This term in physical education we have been learning about biomechanical principles. Biomechanics is the study of the law related to the movements of pattern of the human body. The practical component of this term is tennis, and how biomechanics affect my performance in relation to my tennis serves. In tennis the serve is one of the most important parts of the game, without the serve a proper game would never commence. Not only are tennis serves important, they also should be executed correctly to achieve the best possible outcome. I will evaluate my serve in regards to three major biomechanical principals, force & motion, momentum & inertia and projectile motion. (Hustler, 2012) Force is the change in the velocity of an object. Force changes when the objects motion changes usually by the pushing and pulling of the motion on that object. Force incorporates the law of acceleration ‘The acceleration of a body is proportional to the magnitude of the force causing it and takes place in the direction in which the force acts.’ (Kiss et. al, 2010) For motion to occur the racquet head must have acceleration to go through the ball. Force is essential to initiate a good powerful serve. When it comes to my serving ability, I believe that I’m at the associative stage because of the lack of fluency and body mass that I possess, I can’t put as much force on the ball compared to someone who is heavier. My accuracy and coordination is poor so I tend to throw the ball fairly low in the air which results in more of a punch serve. For example, when I throw the ball in the air I rush to hit the ball so little force is put behind the serve which results with little acceleration, that tends to make the serve a fault or it will go over but the accuracy will be poor and in turn make it go out bounds. Force and Acceleration work hand in hand because without force you have no acceleration and if little force is applied the acceleration...
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