Three-Dimensional Kinematics of the Radiocarpal and Midcarpal Joints of the Wrist during Reverse Dart Throw Motion Using Computed Tomography

DOI
  • KASUBUCHI Kenji
    Department of Physical Therapy, Faculty of Health Science, Osaka Yukioka College of Health Science Department of Orthopedic Biomaterial Science, Osaka University Graduate School of Medicine
  • MORITOMO Hisao
    Department of Physical Therapy, Faculty of Health Science, Osaka Yukioka College of Health Science Department of Orthopaedic Surgery, Yukioka Hospital
  • ARIMITSU Sayuri
    Department of Orthopaedic Surgery, Yukioka Hospital
  • YUKIOKA Masao
    Department of Physical Therapy, Faculty of Health Science, Osaka Yukioka College of Health Science Department of Orthopaedic Surgery, Yukioka Hospital
  • SUGAMOTO Kazuomi
    Department of Orthopedic Biomaterial Science, Osaka University Graduate School of Medicine

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Other Title
  • CT を用いた手関節リバース・ダーツスロー・モーションの3 次元動態解析
  • To Evaluate the Range and Direction of Motion
  • ─橈骨手根関節と手根中央関節の回転角度と運動方向の検討─

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<p>Purpose: This study aimed to analyze three-dimensional kinematics of the radiocarpal and midcarpal joints of the wrist during reverse dart throw motion.</p><p>Methods: We analyzed the kinematics of the radiocarpal and midcarpal joints of the wrists of 12 healthy volunteers using CT images. We measured the range and direction of motion for the radiocarpal and midcarpal joints. Paired t-tests were used to compare the results between the radiocarpal and midcarpal joints.</p><p>Results: The range of motion of the radiocarpal joint was significantly greater than that of the midcarpal joint. The motion of the radiocarpal joint in the flexion/extension plane was also significantly greater than that of the midcarpal joint. For the midcarpal joint, the motions of the lateral and central articulations were significantly greater in the radial/ulnar deviation plane compared to those of the radiocarpal joint.</p><p>Conclusion: The range of motion of the radiocarpal joint was greater than that of the midcarpal joint during reverse dart throw motion. The radiocarpal joint, especially, contributed to the motion in the flexion-extension plane. The midcarpal joint contributed to the motion in the radial/ulnar deviation plane.</p>

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