E Poster

[SE-EP-211] Arthroscopic Surgery for Atraumatic Shoulder Instability: a Report of Two Cases

^○Yutaro Tajika¹, Masashi Suzuki^1,3, Takayuki Matsuhisa¹, Kenji Ohara¹, Kazunori Osawa^1,3, Kanji Furuya^1,3, Hiroaki Tsutui², Naoya Nishinaka^1,3 (1.Department of Orthopaedic Surgery, Showa University Fujigaoka Hospital, 2.Department of Orthopedics, Showa University School of Medicine, 3.Showa University Research Institute for Sports and Exercise Sciences)