by PerErik | Dec 19, 2012 | Tennis Tips
Definition of Visual Skills? Visual skills can be divided to into two main categories: visual perceptual motor skills and ocular motor skills. Many of these visual skills are developed post-natally and often involve processing visual (sight) and other sensory input....
by PerErik | Dec 19, 2012 | Tennis Tips
Even More plyometrics? Technique of jumping is also very important when executing plyometric exercises. In essence, the athlete goes into a slight squat (crouch) upon landing in which there is flexion in the hip, knee and ankle joints. In the takeoff or jump upward,...
by PerErik | Dec 19, 2012 | Tennis Tips
Continuing plyometrics? If the athlete gradually improves his jump height, the same platform height is continued until increases in jump height are no longer observed. At this time takeoff height is increased by a few inches. If the athlete continually fails to jump...
by PerErik | Dec 19, 2012 | Tennis Tips
Still More plyometrics? However, for maximum return of energy, minimum time must elapse from when the forces are received to when they are returned. The greater the time between receiving the forces and giving them back, the less is the return and the less the height...
by PerErik | Dec 19, 2012 | Tennis Tips
More plyometrics? This phase is sometimes called the phase of amortization in which the athlete absorbs some of the forces and stops downward movement by the strong eccentric contraction of the muscles. The strong eccentric contraction prepares the muscles to switch...