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首页> 外文期刊>Medicine and science in sports and exercise >Pain relief after isometric exercise is not task-dependent in older men and women
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Pain relief after isometric exercise is not task-dependent in older men and women

机译：等距运动后的疼痛缓解并非任务依赖于老年男性和女性

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INTRODUCTION: This study assessed the effect of isometric contractions that varied in intensity and duration on pain perception in adults older than 60 yr. METHODS: Pain perception was measured in 24 men and women (mean ± SD age = 72.2 ± 6.2 yr) using a pressure pain device applied to the right index finger before and after isometric contractions of the left elbow flexor muscles of the following doses: 1) three brief maximal voluntary contractions (MVC), 2) 25% MVC held for 2 min, and 3) 25% MVC held to task failure. RESULTS: Older adults reported increased pain thresholds (58 s vs 49 s, P < 0.001) and decreased pain ratings (2.8 vs 3.4, P < 0.001) after exercise, and these changes were similar across all three tasks (P = 0.94 and P = 0.55, respectively). Sex differences were identified with older women reporting greater pain sensitivity (lower pain thresholds [P = 0.01] and higher pain ratings [P = 0.004]) and larger reductions in pain ratings than men (23% vs 9%, P = 0.003) after isometric contractions. CONCLUSIONS: Older adults experienced similar reductions in pain after several different intensities and durations of isometric contractions. Both older men and women experienced increases in pain threshold, but only older women experienced reductions in pain ratings.
机译：介绍：该研究评估了等距收缩的影响，其强度和持续时间变化，疼痛感知在60年龄较大的成年人。方法：使用施加到右侧食指的24名男性和女性（平均值±SD Age = 72.2±6.2 YR）测量疼痛感知在下列剂量的左肘弯曲肌肉的左肘弯曲肌肉等距内收缩之前和之后：1 ）三个简短的最大自愿收缩（MVC），2）25％MVC持有2分钟，3）25％MVC持有任务故障。结果：年龄较大的成年人报告疼痛阈值增加（58次VS 49 S，P <0.001），疼痛降低（2.8 vs 3.4，p <0.001），在所有三个任务中相似（P = 0.94和P = 0.55分别）。鉴定性差异，报告更高的疼痛敏感性（较低的疼痛阈值[P = 0.01]和更高的疼痛评级[p = 0.004]），比男性更大的疼痛评级（23％vs 9％，p = 0.003）之后等距收缩。结论：在几种不同强度和等距收缩持续时间之后，老年人的痛苦均相似。老年人和女性都经历了痛苦门槛的增加，但只有老年女性才能减少疼痛评级。

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