Elucidation of target implant orientations with the safety range of hip rotation with adduction or abduction during squatting: Simulation based on in vivo replaced hip kinematics by Satoru Harada, Satoshi Hamai, Satoshi Hamai, Satoru Ikebe, Daisuke Hara, Daisuke Hara, Hidehiko Higaki, Hirotaka Gondo, Shinya Kawahara, Kyohei Shiomoto, Tetsunari Harada, Yasuharu Nakashima

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Comparison of in vivo knee kinematics before and after bicruciate-stabilized total knee arthroplasty during squatting by Masato Kiyohara, Satoshi Hamai, Hirotaka Gondo, Hidehiko Higaki, Satoru Ikebe, Ken Okazaki, Yasuharu Nakashima

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Contemporary indications for first-time revision surgery after primary cementless total hip arthroplasty with emphasis on early failures by Goro Motomura, Satoshi Hamai, Satoshi Ikemura, Masanori Fujii, Shinya Kawahara, Soichiro Yoshino, Yasuharu Nakashima

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Sagittal femoral bowing contributes to distal femoral valgus angle deviation in malrotated preoperative radiographs by Yasuhiko Kokubu, Shinya Kawahara, Satoshi Hamai, Yukio Akasaki, Hidetoshi Tsushima, Kenta Momii, Yasuharu Nakashima

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Improved surgical procedure of primary constrained total knee arthroplasty which enables use of the femoral diaphyseal straight extension stem by Shinya Kawahara, Taro Mawatari, Gen Matsui, Satoshi Hamai, Yukio Akasaki, Hidetoshi Tsushima, Yasuharu Nakashima

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Revascularization of the necrotic femoral head after traumatic open anterior hip dislocation in a child: a case report by Kenta Momii, Satoshi Hamai, Goro Motomura, Kensuke Kubota, Masato Kiyohara, Takuaki Yamamoto, Yasuharu Nakashima

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Effect of coronal plane acetabular correction on joint contact pressure in Periacetabular osteotomy: a finite-element analysis by Kenji Kitamura, Masanori Fujii, Miho Iwamoto, Satoshi Ikemura, Satoshi Hamai, Goro Motomura, Yasuharu Nakashima

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Dynamic hip kinematics during recreational classical ballet and hula dance after total hip arthroplasty: two case reports by Keisuke Komiyama, Satoshi Hamai, Daisuke Hara, Satoru Ikebe, Yifeng Wang, Hirotaka Gondo, Hidehiko Higaki, Yasuharu Nakashima

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Patient-reported outcomes after primary or revision total hip arthroplasty: A propensity score-matched Asian cohort study. by Satoru Harada, Satoshi Hamai, Kyohei Shiomoto, Daisuke Hara, Masanori Fujii, Satoshi Ikemura, Goro Motomura, Yasuharu Nakashima

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Clinical evaluation of hip joint diseases: total hip arthroplasty to support patients’ quality of life by Satoshi Yamate, Satoshi Hamai, Stephen Lyman, Toshiki Konishi, Shinya Kawahara, Ryosuke Yamaguchi, Daisuke Hara, Goro Motomura

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Anatomical landmark for medialized patellar component in TKA by Ryosuke Tsurui, Shinya Kawahara, Satoshi Hamai, Yukio Akasaki, Hidetoshi Tsushima, Yasuhiko Kokubu, Taro Mawatari, Yasuharu Nakashima

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Tapered wedge stems decrease early postoperative subsidence following cementless total hip arthroplasty in Dorr type C femurs compared to fit-and-fill stems by Satoshi Ikemura, Goro Motomura, Satoshi Hamai, Masanori Fujii, Shinya Kawahara, Taishi Sato, Daisuke Hara, Kyohei Shiomoto, Yasuharu Nakashima

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Contralateral Hip Abductor Muscle Strength Associated with Comfort of Getting into and out of the Car after Total Hip Arthroplasty by Tetsunari Harada, Satoshi Hamai, Daisuke Hara, Tsutomu Fujita, Daisuke Fujiyoshi, Shinya Kawahara, Ryosuke Yamaguchi, Kenichi Kawaguchi, Yasuharu Nakashima

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Risk factor analysis for postoperative complications requiring revision surgery after transtrochanteric rotational osteotomy for osteonecrosis of the femoral head by Kazuyuki Karasuyama, Goro Motomura, Satoshi Ikemura, Jun-ichi Fukushi, Satoshi Hamai, Kazuhiko Sonoda, Yusuke Kubo, Takuaki Yamamoto, Yasuharu Nakashima

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Dynamic scapulohumeral rhythm: Comparison between healthy shoulders and those with large or massive rotator cuff tear by Naoya Kozono, Naohide Takeuchi, Takamitsu Okada, Satoshi Hamai, Hidehiko Higaki, Takeshi Shimoto, Satoru Ikebe, Hirotaka Gondo, Takahiro Senju, Yasuharu Nakashima

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Dynamic hip kinematics during squatting before and after total hip arthroplasty by Keisuke Komiyama, Satoshi Hamai, Daisuke Hara, Satoru Ikebe, Hidehiko Higaki, Kensei Yoshimoto, Kyohei Shiomoto, Hirotaka Gondo, Yifeng Wang, Yasuharu Nakashima

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Dynamic kinematics of the glenohumeral joint in shoulders with rotator cuff tears by Naoya Kozono, Takamitsu Okada, Naohide Takeuchi, Satoshi Hamai, Hidehiko Higaki, Takeshi Shimoto, Satoru Ikebe, Hirotaka Gondo, Yoshitaka Nakanishi, Takahiro Senju, Yasuharu Nakashima

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The sourcil roundness index is a useful measure for quantifying acetabular concavity asphericity by Kenji Kitamura, Masanori Fujii, Goro Motomura, Satoshi Hamai, Shinya Kawahara, Taishi Sato, Ryosuke Yamaguchi, Daisuke Hara, Takeshi Utsunomiya, Yasuhiko Kokubu, Yasuharu Nakashima

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Evaluation of the anterior acetabular coverage with a false profile radiograph considering appropriate range of positioning by Yasuhiko Kokubu, Shinya Kawahara, Kenji Kitamura, Satoshi Hamai, Goro Motomura, Satoshi Ikemura, Taishi Sato, Ryosuke Yamaguchi, Daisuke Hara, Masanori Fujii, Yasuharu Nakashima

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Interaction between functional capability and sleep quality at midterm after total knee arthroplasty: a Japanese retrospective cohort study by Satoshi Hamai, Satoru Harada, Hidetoshi Tsushima, Ryutaro Kozuma, Satoshi Yamate, Shinya Kawahara, Yukio Akasaki, Tetsunari Harada, Yasuhiko Kokubu, Toshiki Konishi, Yasuharu Nakashima

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