不真 发表于 2025-3-30 08:21:48
http://reply.papertrans.cn/19/1881/188013/188013_51.pngpuzzle 发表于 2025-3-30 13:20:04
http://reply.papertrans.cn/19/1881/188013/188013_52.pngachlorhydria 发表于 2025-3-30 20:03:12
http://reply.papertrans.cn/19/1881/188013/188013_53.png戏法 发表于 2025-3-30 23:20:44
http://reply.papertrans.cn/19/1881/188013/188013_54.png正式演说 发表于 2025-3-31 04:50:49
http://reply.papertrans.cn/19/1881/188013/188013_55.png粗语 发表于 2025-3-31 06:27:47
Biomechanics of Pitchingph, the demand on the throwing arm is great, especially at the shoulder and elbow. While maximizing the speed of the ball is not the ultimate goal of pitching, it often improves the chances for getting the hitter out. A good fastball is typically the first pitch a young pitcher will learn to throw, followed by change-up, curveball and slider (.).fixed-joint 发表于 2025-3-31 12:31:51
Mechanics of the Forward Passd the opportunities for performance optimization are largely unexplored. This chapter contains the author’s assessment of the current state of knowledge especially with regard to fundamental principles, applications, and implications for optimal athletic performance.