Scientific Principles of Coaching

acceleration action analysis angle of incidence angular angular velocity applied athletic ball base baseball basketball batter body breast stroke broad jump center of gravity center of rotation centrifugal force club head crouch demonstrate desired developed direction of movement discus distance diving effect energy equilibrium example exerted factors faster feet Figure foot football forearm forward ft/sec golf greater greatest grip ground hands height high jump hips horizontal hurdle important inches jumper kick knee lean lever line of flight linear velocity Master's thesis mechanics momentum motion move muscles Newton's third law opponent optimum performance permit player pole pole vault position possible pounds principles involved pull push racket radius of rotation release Research Quarterly resistance right angles rotary runner running shot put shoulder speed spin Springfield College stance starting stride stroke surface swing techniques third-class lever throwing trampoline turn vertical vertical direction wrist