【ボールの伸びが段違い！】速い球を打つコツは、肘の位置が重要だった！【ソフトテニス】

Highly popular! Instructor DVD ⭐️What are the Seven Powers? ⭐️ https://www.softtennis-jyuku.com/seve... ⭐️Online Academy: A gathering place for serious coaches and players⭐️ https://www.softtennis-jyuku.com/thor... Online 1-on-1 training instruction https://www.softtennis-jyuku.com/2021... Watch and get stronger! Soft Tennis School Official LINE https://lin.ee/JAGEdQa Watch and get stronger! Soft Tennis School BLOG https://www.softtennis-jyuku.com/ Coach Uchiumi's SNS Summary LINE → https://lin.ee/qukK0cz Twitter → https://twitter.com/uchi_softtennis?s=20 Instagram → https://www.instagram.com/ucchi_softt... Coach Uchiumi's Individual Lessons Details https://profile.coconala.com/users/14... Principal Max's SNS Summary Twitter →   / dhiguda0728   Facebook → https://www.facebook.com/profile.php?... Instagram → https://instagram.com/softtennis.trai... [Principal Max's Background] ・All Japan Soft Tennis U14 Boys' Trainer (2019-2020) ・National Athletic Meet Hokkaido Men's Adult Team Trainer ・Hokkaido University of Science High School Soft Tennis Club Trainer ・Director of Axis Osteopathic Clinic ・Koen Gakuen Women's Junior College Part-time Lecturer [Coach Utsumi's Career] 2013 East Japan Soft Tennis Tournament, Best 4 2014 East Japan Student Soft Tennis Championship, Best 16 2014 All Japan Student Championship, Best 8 2015 13th Kyushu Open, Champion 2016 All Japan Amateur Championship, Best 16 2017 Ehime National Athletic Meet, 3rd Place in the Men's Adult Division, etc. #SoftTennis #Stroke #FastBall