Kinesiology 2241A/B Lecture Notes - Lecture 24: Moment Of Inertia, Angular Velocity
27 Dec 2018
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If you are holding a bat or a racket, then this becomes another segment in the chain. In a throw we are sequencing from to the base out to the hand: with a throw start at the center and move out. The timing of each segment: the more massive segments are located close to the base. The angular velocity of the proximal joints (closest to the base) tends to be the smallest. Analyzing the badminton smash: beginner movement does not have very much rotation at the hand, the advanced player adds rotation about the long axis of the forearm and the flexion axis of the wrist. It that case use a push like kick: with a throw like kick note how the distal segment (lower leg) lags behind the proximal segment (thigh, start at the core and move out distally. This increases the radius of rotation for long axis rotations in wheel-axle movements.
