^○Yusuke Noguchi¹, Teruhisa Mihata¹, Atsushi Takeda², Akihiko Hasegawa¹, Chisato Watanabe³, Kunimoto Fukunishi⁴, Kenji Yasui⁵, Takeshi Kawakami², Yukitaka Fujisawa⁶, Masashi Neo¹ (1.Osaka Medical College, 2.First Towakai Hospital, 3.Kawabata Hospital, 4.Rakusai Shimizu Hospital, 5.Nishinomiya Kyoritsu Neurosurgical Hospital, 6.Yaenosato Hospital)

^○Yoshihiro Kotoura¹, Toru Morihara², Naoki Yoshioka², Yoshikazu Kida², Ryuhei Furukawa², Tsuyoshi Sukenari², Tatsuya Hojo³, Taku Ogura¹, Toshikazu Kubo² (1.Kyoto Chubu Medical Center, 2.Dept.of Orthop. Surg., Kyoto Prefectural Univ.Sch. of Med., 3.Health & Sports Science, Doshisha Univ.)

^○Takuya Sekiguchi¹, Yoshihiro Hagiwara¹, Kenji Kanazawa², Masashi Koide³, Yutaka Yabe¹, Eiji Itoi¹ (1.Tohoku University School of Medicine, 2.Iwate Prefectural Central Hospital, 3.Matsuda Hospital)

^○Rei Morikura¹, Teruhisa Mihata^2,5, Akihiko Hasegawa², Chisato Watanabe³, Kunimoto Fukunishi¹, Kenji Yasui⁴, Takeshi Kawakami⁵, Yukitaka Fujisawa⁶, Kuniaki Ikeda⁷, Masashi Neo² (1.Rakusai Shimizu Hospital, 2.Osaka Medical College, 3.Kawabata Hospital, 4.Nishinomiya Kyoritsu Neurosurgical Hospital, 5.First Towakai Hospital, 6.Yaenosato Hospital, 7.Takatsuki Red Cross Hospital)

^○Masashi Suzuki¹, Takayuki Matsuhisa¹, Kenji Ohara², Yuichi Isozaki¹, Kazunori Osawa¹, Yutaro Tajika¹, Kanji Furuya¹, Hiroaki Tsutsui³, Naoya Nishinaka⁴ (1.Department of Orthopedic Surgery, Showa University Fujigaoka Hospital, 2.Department of Orthopedic Surgery, Showa university Koto-Toyosu Hosp, 3.Department of Orthopedic Surgery, Showa university school of medici, 4.Showa University Research Institute for Sport and Exercise sciences)

^○Yuji Yamaguchi¹, Katsuhisa Yoshikawa¹, Kazuo Tomizawa¹, Kanako Shiba¹, Daisuke Tsuboyama¹, Hiroshi Taneichi¹, Kazuya Tamai² (1.Dokkyo Medical University, 2.Tohto Bunkyo Hospital)

^○Katsuhisa Yoshikawa¹, Kazuya Tamai² (1.Dokkyo Medical University, 2.Tohto Bunkyo Hospital)

^○Yukihiro Kajita¹, Yusuke Iwahori², Yoshitaka Muramatsu², Ryousuke Takahashi² (1.Ichinomiyanishi Hospital, 2.Aichi medical university)

^○Issei Nagura¹, Takako Kanatani¹, Yoshifumi Harada¹, Atsuyuki Inui², Yutaka Mifune², Ryosuke Kuroda² (1.Department of Orthopaedic Surgery, Kobe Rosai Hospital, 2.Kobe University Graduate School of Medicine)

^○Terufumi Shibata¹, Teruaki Izaki¹, Satoshi Miyake¹, Tomohiko Minamikawa², Yozo Shibata², Takuaki Yamamoto¹ (1.Fukuoka University, 2.Fukuoka University Chikushi Hospital)