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  1. Article

    Open Access

    Sacroiliac joint pain increases repositioning error during active straight leg-raising

    This study aimed to compare the repositioning error (RE) of patients with unilateral sacroiliac joint pain (SIJP) to that of patients with low back pain (LBP) and a healthy control (HC) group. Differences betw...

    Tsuyoshi Morito, Koji Kaneoka in European Spine Journal (2023)

  2. Article

    Open Access

    Difference in muscle synergies of the butterfly technique with and without swimmer’s shoulder

    This study aimed to investigate whether muscle synergy differs between swimmers with and without swimmer's shoulder in the butterfly technique. Muscle synergies, which can assess muscle coordination, were anal...

    Yuiko Matsuura, Naoto Matsunaga, Hiroshi Akuzawa, Tsuyoshi Kojima in Scientific Reports (2022)

  3. Article

    Open Access

    Differences in trunk and lower extremity muscle activity during squatting exercise with and without hammer swing

    Perturbation exercises enhance lower limb and trunk muscles, and adding swing perturbation while loading during exercise might improve muscle activation or strength. This study aimed to check variations in tru...

    Koji Murofushi, Tomoki Oshikawa, Koji Kaneoka, Hiroshi Akuzawa in Scientific Reports (2022)

  4. Article

    Open Access

    Difference in the foot intersegmental coordination pattern between female lacrosse players with and without a history of medial Tibial stress syndrome; a cross-sectional study

    Medial tibial stress syndrome is a common sports related injury. Altered foot kinematics can be a risk factor for the injury. Since foot segments can move independently, intersegment coordination is important ...

    Hiroshi Akuzawa, Tomoki Oshikawa, Koji Nakamura in Journal of Foot and Ankle Research (2022)

  5. No Access

    Chapter

    Low Back Disorders Among Athletes and Its Prevention

    There are several pathomechanisms of lower back disorders among athletes such as lumbar intervertebral disc herniations, lumbar spondylolysis, facet joint disorders, sacroiliac joint disorders, muscle, fascia ...

    Koji Kaneoka in Sports Injuries and Prevention (2015)

  6. No Access

    Chapter

    The Prevention of Low Back Disorders in Divers

    During competitive diving events, divers jump up from 1 to 3 m springboards or 5–10 m platforms and dive into the water. The impact forces are very large in the water entry phase, and therefore, the divers exp...

    Takaya Narita, Koji Kaneoka in Sports Injuries and Prevention (2015)

  7. No Access

    Chapter

    Activity of the Trunk and Leg Musculature During the Flutter Kick

    There are no in-depth biomechanical studies about swimming because detailed analyses of motion and muscle activity in water are difficult. In the present study, we measured the activity of trunk and leg muscle...

    Koji Kaneoka, Atsushi Imai, Morimitsu Kohdate in Sports Performance (2015)

  8. No Access

    Article

    Spino-pelvic-rhythm with forward trunk bending in normal subjects without low back pain

    A strong correlation between low back pain and tight hamstrings has been reported. However, the effect of tight hamstrings on spinal biomechanics remains unclear. The purpose of the study was to investigate s...

    Kiyotaka Hasebe, Koichi Sairyo, Yasushi Hada in European Journal of Orthopaedic Surgery & … (2014)

  9. No Access

    Article

    Bewegingsanalyse van de cervicale wervels tijdens whiplashbelasting

    Motion analysis of cervical vertebrae during whiplash loading [Spine 1999;24(8):763-70]

    Koji Kaneoka, Koshiro Ono in Stimulus (2001)

  10. No Access

    Article

    Types of synovial fold in the cervical facet joint

    Few detailed studies of synovial folds of cervical facet joints exist at the moment. This study was performed to provide anatomical data for each synovial fold in the cervical facet joints, using 20 cervical ...

    Satoshi Inami, Koji Kaneoka, Koichiro Hayashi in Journal of Orthopaedic Science (2000)

  11. No Access

    Chapter and Conference Paper

    Influence of Human Spinal Deformation on Minor Neck Injuries for Low Speed Rear Impacts

    The aim of the current study is to verify the influence of the change of the spine configuration on human cervical vertebral motion and head/neck/torso kinematics under low speed rear-end impacts. During the e...

    Koshiro Ono, Satoshi Inami, Koji Kaneoka in Human Biomechanics and Injury Prevention (2000)