^○Kenji Takagishi¹, Tetsuya Matsuura², Takashi Masatomi³, Etsuo Chosa⁴, Tsuyoshi Tajika⁵, Mikihiko Watanabe⁶, Tetsu Iwama⁷, Toshiro Ohtani⁸, Katsunori Inagaki⁹, Moroe Beppu¹⁰ (1.St. Pierre Hospital, 2.Tokushima University, 3.Yukioka Hospital, 4.Miyazaki University, 5.Gunma University, 6.Tokyo Asuka Hospital, 7.Iwama Orthopaedic, 8.Keio University Sports Medicine Center, 9.Showa University, 10.Japan Hip Joint Foundation)

^○Tetsuya Takenaga^1,4, Hideyuki Goto¹, Katsumasa Sugimoto², Atsushi Tsuchiya³, Masaki Fukuyoshi², Hiroki Nakagawa², Satoshi Takeuchi¹, Keishi Takaba⁵, Tetsuya Ono², Takanobu Otsuka¹ (1.Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Sciences, 2.Nagoya Sports Clinic, 3.Arthroscopy and Sports Medicine Center, Meitetsu Hospital, 4.Keiyu Orthopaedic Hospital, Sports Medical Center, 5.Department of Orthopaedic Surgery, Ogaki Municipal Hospital)

Jin-Young Park^1,2,3, ^○Myoung Joo Park¹ (1.Neon Orthopaedic Clinic, 2.Department of Orthopaedic Surgery, Konkuk University School of Medicine, 3.Center for Bionics, Korea Institute of Science and Technology)

^○Takeo Ishii, Noriyuki Ishige, Shigehito Kuroda, Ryo Murata, Shuhei Ogino, Motohiko Mikasa (Matsudo Orthopaedic Hospital)

^○Hisao Kumamoto^1,2, Mikihiko Watanabe^1,2, Hidehumi Hirose³, Shougo Yonekawa¹, Kazusa Wada², Katunori Inagaki² (1.Tokyo Asuka Hospital, 2.Department of Orthopedics Surge, Showa Univesity, 3.Hirose Clinic)

^○Naoya Nishinaka^1,2, Takayuki Mastuhisa², Masashi Suzuki^1,2, Kazunori Ohsawa^1,2, Yutaro Tajika², Kanji Furuya^1,2, Takeshi Sakai², Yuichi Isozaki², Kenji Ohara², Hiroaki Tsutsui^1,3 (1.Showa University Research Institute for Sport and Exercise Sciences, 2.Showa University Fujigaoka Hospital, 3.Showa University)