The Mechanical Analysis of the Swan, the Back, and the Back and Front Jackknife Dives with a Demonstration on the Suspended BodyUniversity of Wisconsin--Madison, 1941 - 114 pages |
Common terms and phrases
action and reaction Al Greene analysis angle of approximately angle of entry angle of take-off angular velocity ankles plantar flex arms move arms overhead assuming the swan back and front back jackknife dive backward dives belt board as potential board is depressed body position body rotated body will rotate carry the diver center of gravity chest circumduct depress the board dive See Chart diver leaves dynamics of diving extend to further falling body Figure 1 Figure Figure 2 Plate force forefingers touching forward dives front jackknife dives frontal plane greatest height hurdle inches jackknife position kinetic energy law of action leaves the board literature lower extremities lower limbs mechanical laws motion pictures movement ninety degrees parabolic curve physical education pictures the writer plantar flexion Plate VIII potential energy shown in Plate somersault spine straightening study of motion suspended body swan dive swan position thumbs locked transverse plane University of Wisconsin vertical