Freestyle_3 Arm Stroke Timing Patterns自由泳_三種划手時機 | My Lazy Cocoon
Timing of freestyle stroke: The three basic patterns 自由泳划手時機: 三種基本模式 1) First, the typical right-angle timing of the arms is shown. This is the most commonly-used type of timing. As one arm enters, the opposite arm is midway through the stroke....