Støve Morten Pallisgaard, Thomsen Janus Laust, Magnusson Stig Peter, Riis Allan
Department of Physiotherapy, University College of Northern Denmark (UCN), Selma Lagerløfs Vej 2, Aalborg East, 9220, Denmark.
Center for General Practice, Aalborg University, Selma Lagerløfs Vej 249, Gistrup, 9260, Denmark.
BMC Sports Sci Med Rehabil. 2024 Sep 27;16(1):202. doi: 10.1186/s13102-024-00995-2.
BACKGROUND: Stretching exercises are widely used for pain relief and show positive effects on musculoskeletal, nociplastic and neuropathic pain; the magnitude of altered pain sensitivity responses following regular stretching is currently unknown. This study aimed to investigate the effect of six weeks of regular stretching exercise on regional and widespread pain sensitivity and range of motion and the effect of stretching cessation on regional and widespread pain sensitivity and range of motion. METHODS: An experimental single-blind longitudinal repeated measures study. Twenty-six healthy adults were recruited. Regional and distant pressure pain thresholds and passive knee extension range of motion were measured at three points: before (baseline) and after six weeks (post-stretch) of daily bilateral hamstring stretching exercises and following four weeks of cessation (post-cessation) from stretching exercises. RESULTS: Participants had a mean ± standard deviation (range) age of 23.8 ± 2.1 (21-30) years. There was a 36.7% increase in regional (p = 0.003), an 18.7% increase in distant pressure pain thresholds (p = 0.042) and a 3.6% increase in range of motion (p = 0.002) between baseline and post-stretch measures. No statistically significant differences were found for regional (p = 1.000) or distant pressure pain thresholds (p = 1.000), or range of motion (p = 1.000) between post-stretch and post-cessation. A 41.2% increase in distant pressure pain thresholds (p = 0.001), a 15.4% increase in regional pressure pain thresholds from baseline to post-cessation (p = 0.127) and a 3.6% increase in passive knee extension range of motion (p = 0.005) were found from baseline to post-cessation. CONCLUSIONS: Six weeks of regular stretching exercises significantly decreased regional and widespread pain sensitivity. Moreover, the results showed that the hypoalgesic effect of stretching on regional and widespread pain sensitivity persisted following four weeks of cessation. The results further support the rationale of adding stretching exercises to rehabilitation efforts for patients experiencing nociceptive, nociplastic, and neuropathic pain. However, further research is needed to investigate how the long-term effects of stretching exercises compare with no treatment in clinical populations. TRIAL REGISTRATION: The trial was registered June 1st, 2021 at ClinicalTrials.gov (Trial registration number NCT04919681).
背景:伸展运动被广泛用于缓解疼痛,并对肌肉骨骼性、伤害性和神经性疼痛显示出积极效果;目前尚不清楚定期伸展后疼痛敏感性反应改变的程度。本研究旨在调查为期六周的定期伸展运动对局部和广泛疼痛敏感性及关节活动范围的影响,以及停止伸展对局部和广泛疼痛敏感性及关节活动范围的影响。 方法:一项实验性单盲纵向重复测量研究。招募了26名健康成年人。在三个时间点测量局部和远处的压力疼痛阈值以及被动膝关节伸展范围:每日双侧腘绳肌伸展运动前(基线)、六周后(伸展后)以及停止伸展运动四周后(停止后)。 结果:参与者的平均年龄为23.8±2.1(21 - 30)岁。从基线到伸展后测量,局部压力疼痛阈值增加了36.7%(p = 0.003),远处压力疼痛阈值增加了18.7%(p = 0.042),关节活动范围增加了3.6%(p = 0.002)。在伸展后和停止后之间,局部(p = 1.000)或远处压力疼痛阈值(p = 1.000)以及关节活动范围(p = 1.000)未发现统计学上的显著差异。从基线到停止后,远处压力疼痛阈值增加了41.2%(p = 0.001),局部压力疼痛阈值较基线增加了15.4%(p = 0.127),被动膝关节伸展范围增加了3.6%(p = 0.005)。 结论:六周的定期伸展运动显著降低了局部和广泛的疼痛敏感性。此外,结果表明,在停止伸展四周后,伸展对局部和广泛疼痛敏感性的镇痛作用仍然存在。这些结果进一步支持了将伸展运动纳入对遭受伤害性、伤害感受性和神经性疼痛患者的康复治疗中的理论依据。然而,需要进一步研究来调查伸展运动的长期效果与临床人群中不进行治疗的效果相比如何。 试验注册:该试验于2021年6月1日在ClinicalTrials.gov注册(试验注册号NCT〇4919681)。
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