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The tennis serve is the stroke that puts the ball in play and is often referred to as the most important stroke in the game of tennis. ... A good strong serve can sometimes be the basis of winning a game of tennis. I have included eight picture sequences to illustrate the tennis serve. Represented in picture A is the stance of the serve. In this part of the serve, the person needs to take a position sideways to the net, about three or four feet to the right center mark behind the baseline. ... The ball toss is the key to a well-executed serve: a good release consistently places the ball in the proper hitting position. A poor release can throw off timing and ultimately cause a bad serve. ... In the beginning of the serve, during the stance (picture A), the feet are outwardly rotated. ... The kinematics of the tennis serve is a complicated thing, it consist of many laws and principles. ... These laws and principles can be applied to a skill, for example the tennis serve. ... This mass or weight throughout the serve is considered to be constant. This observation is made because during the tennis serve the person performing the serve cannot gain or loss mass during the serve. ... A tennis shoe does not need to have great counter force because there is not a lot of jumping but traction is important because of different surfaces like clay, grass, and concrete. ... In the stance position of the tennis serve (picture A), the height of gravity is in the middle around the navel. ... In the stance position of the tennis serve (picture A) the position of gravity is about two inches above the belt. ... During the serve (pictures A - D) the base of support is pretty much constant. ... Combining translatory and rotary motion in the tennis serve is shown by the rotary motion of the racket arm and the motion of the trunk in the follow through. ... Continuity of motion is shown during the action phase (pictures D - F) with the tossing of the tennis ball while bringing the racket into a striking position and also extended the trunk and legs. ... If there was pause in any of these motions there would not be enough momentum to create a very effective serve. ... To produce an effect of momentum during the serve, since mass is constant, the velocity of the body must be increased. This is done by the extension of the racket arm along with the trunk and moving the center of gravity forward to produce a good momentum in striking the tennis ball, this intern with the racket striking the ball turns it into a force, this force is equal to the momentum of the body. During the action phase of the serve (pictures D - F) transfer of momentum is achieved by extending the legs, trunk, and racket arm. ... In the tennis serve acceleration is proportional to force because mass in the body of the server is constant. So if the server has a great amount of acceleration then there will be a great amount of force when striking the tennis ball with the racket. ... In the serve the bodys radius is lengthened so according to the principle the rotation is shortened during the follow through phase, this is because with a lengthened radius the body has more area to cover. ... During the action phase of the serve never unsupported as seen in the pictures D - F. Both feet seem to be on the ground in constant support of the body, so this principle does not apply to this particular serve. Although some people might actually, force a split second, become airborne during the serve, then this principle would apply. There are three major surface variations in tennis all with different counter force. ... During the action phase of the tennis serve (pictures D - F), the direction of counter force is projected down and back which in turn propels the server up and forward. ... Temporarily stored counter force can be found in many parts of the tennis serve. ... In the tennis serve as observed in pictures D - F, during the sticking motion both feet are in contact with the ground to provide maximum to the ball, even though the bodies extended and looks like it could go airborne. ... During the action phase, pictures D-F, in the tennis serve total force is achieved by the extension of the arms, legs and trunk along with the timing of the movement of the racket arm in striking the ball, and also the leaning forward of the body. ... During the prep phase, pictures A-C, the extension of the racket arm is done to create the distance in which greater velocity will occur and this resulting in a greater striking force of the tennis ball.
Approximate Word count = 3991
Approximate Pages = 16
(250 words per page double spaced)
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