【球速アップ】フォアストロークのスイングスピードを上げて速い球を打つ方法３選！

⭐️CROSSTY Instagram account here↓⭐️ https://instagram.com/crossty__activi... ⭐️Instructor DVD No. 4⭐️ "SOFTTENNIS FUNCTIONAL TRAINING" https://softtennis-jyuku.com/lp/softt... The soft tennis world's first training DVD, specifically designed for soft tennis and designed to build a body capable of moving in the sport, is finally on sale! ⭐️Instructor DVD No. 3⭐️ "The Serve Revolution for a New Era" https://softtennis-jyuku.com/lp/serve... First edition of 200 sets on sale at a special limited-time price! Only 100 left! ⭐️Instructor DVD No. 2 "The Ultimate Stroke Encyclopedia" now on sale! ⭐️ Everything you need to know to improve your stroke in 120 minutes! https://softtennis-academy.com/stroke... ⭐️Our first DVD for instructors, "Seven Forces," has sold over 300 copies! ⭐️ https://www.softtennis-jyuku.com/seve... ↓Watch the digest video of the popular DVD "Seven Forces" here↓    • 【大人気DVDダイジェスト】指導者向け！選手の上達を加速させる『7つの力』【ソフトテニス】   ⭐️Watch and get stronger! Soft Tennis Academy original T-shirts and hoodies now on sale! Online Shop⭐️ https://softtennisac.base.shop ⭐️Learn directly from the school principal and Ucchi! Sapporo Soft Tennis School⭐️ Every Thursday from 6:00 PM to 9:00 PM. We offer three classes tailored to your level! https://softtennis-jyuku.com/lp/schoo... ⭐️Soft Tennis Academy Website⭐️ We hold seminars nationwide! Apply here↓↓ https://softtennis-academy.com/ ⭐️Online Academy: A gathering place for serious coaches and players⭐️ More than 130 dedicated soft tennis players from across the country have gathered! https://www.softtennis-jyuku.com/thor... [Watch and get stronger! Soft Tennis Academy Official LINE] https://lin.ee/JAGEdQa [Watch and get stronger! Soft Tennis School Blog https://www.softtennis-jyuku.com/ [Principal Max's Qualifications and Background] ・Judo Therapist ・JSPO-AT ・All-Japan Soft Tennis U14 Men's Trainer (2019-2020) ・National Athletic Meet Adult Men's Hokkaido Representative Trainer ・Hokkaido University of Science High School Soft Tennis Club Trainer [Coach Utsumi's Background] 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 Best 16 2017 Ehime National Athletic Meet Adult Men's 3rd Place, etc. 2022 JAPAN GP 2022 Miyagi Qualifier Champion #SoftTennis #WatchAndGetBetterSoftTennisSchool #Racket