Concepts
The concepts and terminology used by Movingfsst
Concepts
描述
The concepts and terminology used by Movingfsst
softball pitch collision comparison
shin angle change direction
Hip cycle versus down and back
Frontside explained video
hip movement follow shin movement
not an effective shin angle
hip movement follows shin angle
Falling details x and y line
top end hip extension before knee extension 40
40 yard acceleration hip extension before knee extension