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首页> 外文期刊>Journal of shoulder and elbow surgery >The strength of the rotator cuff before and after subacromial injection of lidocaine.
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The strength of the rotator cuff before and after subacromial injection of lidocaine.

机译：肩峰下注射利多卡因前后肩袖的强度。

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摘要

The purpose of this study was to evaluate the strength of the shoulder before and after the impingement test. This study included 153 cases of impingement syndrome, 20 cases of partial-thickness rotator cuff tear, and 60 cases of full-thickness rotator cuff tear. We divided each of the groups into 2 subgroups according to the mean percentage decrease in pain to evaluate the correlation between pain and muscle weakness. We also divided the impingement syndrome group into 2 groups based on stiffness. After the test, the subgroup with stiffness had a greater reduction in pain compared with the subgroup without stiffness. The results show no statistically significant difference in the strength of the shoulder, except for increased external rotation strength in patients with full-thickness rotator cuff tears and increased supraspinatus strength in patients with impingement syndrome with stiffness. In cases in which the continuity of the rotator cuff is maintained, pain is not an important factor in the cause of shoulder weakness. Preoperative muscle testing can be done despite pain, but if a full-thickness rotator cuff tear is confirmed, re-examination of external rotator strength is necessary. In patients with impingement syndrome, particularly with shoulder stiffness, supraspinatus strength can be decreased.
机译：这项研究的目的是评估冲击试验前后的肩膀强度。该研究包括153例撞击综合征，20例部分厚度的肩袖撕裂和60例全厚度的肩袖撕裂。我们根据疼痛的平均减少百分比将每组分为2个亚组，以评估疼痛与肌肉无力之间的相关性。我们还根据刚度将冲击综合症组分为2组。测试后，与没有僵硬的亚组相比，具有僵硬的亚组的疼痛减轻更大。结果显示，除了全厚度肩袖撕裂患者的外旋强度增加和僵硬性撞击综合征患者的棘上肌强度增加以外，肩部的强度无统计学差异。在保持肩袖连续性的情况下，疼痛不是导致肩关节无力的重要因素。尽管疼痛，仍可以进行术前肌肉测试，但是如果确定了全厚度的肩袖撕裂，则必须重新检查外部肩肌的强度。在有撞击综合征的患者中，特别是肩膀僵硬的患者，脊上肌力量会降低。

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