Posts Tagged ‘tennis’

SELF-PRODUCED AND OTHER Muscle FORCES Correct muscle selection The performer must select the muscle that are most effective for the task at hand. Stability and the loss of effective force A spotter must be stable before he/she can prevent a loss of force to the performer. Effect of the angle of application on the force […]

Counter Force is an important concept in all martial arts such as jiu jitsu, boxing, and muay thai. PRINCIPLES RELATED TO THE LAW OF COUNTERFORCE Surface variation and the amount of counterforce The counter force is equal to the applied force when a stable surface is used. The less stable the surface, the less will […]