Bankart-Bristow変法術後の肩関節内外旋筋力の回復時期

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We assessed the shoulder rotational muscle power recovery using the surgical/non-surgical ratio, and concluded that the muscle power recovery was retarded compared with our rehabilitation program. However, the retardation could be influenced by the contra-lateral side. We reexamined the muscle power recovery only using the surgical-side data. Isokinetic concentric shoulder rotational muscle strength was evaluated in 40 patients treated with open Bankart and modified Bristow procedure. We measured the peak torques in the surgical-side shoulders at 60, and 180 deg/sec angular velocities at the pre- and post-operatively, and calculated the peak torque to the preoperative ratios (pre-op. ratio), and the peak torque to the body weight ratios (weight ratio). Positive coefficient correlations were obtained between the pre-op. and weight ratios and the postoperative period. Both ratios increased to the preoperative level by 6 months postoperatively. The surgical-side muscle power was recovered strongly enough for the stability of the gleno-humeral joint by 6 months postoperatively. This recovery period was consistent with our rehabilitation program.
日本肩関節学会の論文