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冷却疗法具有止痛、防肿、减少继发性损伤等作用。在运动医学领域内,该疗法除了用于急性外伤性损伤的早期治疗外,它还可用于急性软组织损伤的恢复期治疗和慢性损伤的康复治疗。本文就有关冷却疗法在运动后恢复过程中应用的问题进行阐述,并作为训练后机体恢复新方法进行探讨。 相似文献
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The purpose of this study was to identify the influence of cryotherapy on lower extremity running biomechanics. Twenty-six healthy male volunteers were randomised into two intervention groups: cold water (cold water at ~11°C) or tepid water (tepid water at ~26°C). They were required to run at 4.0 ± 0.2 m · s?1 before and after they underwent water immersion for 20 min. Differences between pre- and post-intervention were used to compare the influence of water intervention during running. Peak joint angles, peak joint moments, peak ground reaction forces (GRF) and contact time (CT) were calculated using three-dimensional gait analysis. Independent t-tests were applied with a significant alpha level set at 0.05. Decreased peak propulsive and vertical GRF, decreased plantarflexion moments, increased hip flexion angle and longer CT were observed following cold water immersion. Although cold water immersion (cryotherapy) affected the running movement, none of the alterations have been related to running biomechanical patterns associated with injuries. Therefore, our results indicated that cold water immersion appears safe prior to running activities. 相似文献
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Abstract The objective of this study was to evaluate the effects of a 20-min focal knee joint cooling intervention on quadriceps central activation ratio (CAR) in healthy volunteers. A counterbalanced, cross-over study assessed the effects of a focal joint cooling intervention compared with a control condition 3–14 days apart. Eleven healthy volunteers (6 males, 5 females; age 25 ± 5 years; height 1.71 ± 0.1 m, mass 77 ± 21 kg) were included in the final analysis. The joint cooling intervention consisted of two 1.5-litre ice bags applied to the knee joint for 20 min, in one of two counterbalanced sessions, completed 3–14 days apart. In the control session, participants sat quietly between the baseline and 20-min measurements. Quadriceps CAR was assessed at 70° of knee flexion at four instants (baseline, 20, 30, and 45 min). There was a significant treatment × time interaction (F 3,30 = 5.9, P = 0.003) and post hoc analyses revealed that CAR was higher in the focal knee joint cooling session than the control session at 20 min (0.79 ± 0.12 vs. 0.70 ± 0.12; t 10 = 3.9, P = 0.003) and 45 min (0.77 ± 0.10 vs. 0.69 ± 0.12; t 10 = 3.1, P = 0.01). The CAR tended to be higher during the experimental session than the control session at 30 min (0.79 ± 0.13 vs. 0.74 ± 0.11; t 10 = 2.1, P = 0.07).Volitional activation increased following focal knee joint cooling in healthy volunteers. 相似文献
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Post-exercise cryotherapy treatments are typically short duration interventions. This study examined the efficacy of prolonged cooling using phase change material (PCM) on strength loss and pain after eccentric exercise. Eight adults performed 120 bilateral eccentric quadriceps contractions (90% MVC). Immediately afterwards, frozen PCM packs (15°C) were placed over the quadriceps, with room temperature PCM packs on the contralateral quadriceps. Skin temperature was recorded continually (6 h PCM application). Isometric quadriceps strength and soreness were assessed before, 24, 48, 72 and 96 h post-exercise. The protocol was repeated 5 months later, with room temperature PCM applied to both legs. There were three treatments: legs treated with 15°C PCM packs (direct cooling), legs treated with room temperature PCM packs contralateral to the 15°C PCM packs (systemic cooling), and legs tested 5 months later both treated with room temperature PCM packs (control). Skin temperature was 9°C–10°C lower with direct cooling versus systemic cooling and control (P < 0.01). Strength loss and soreness were less (P < 0.05) with direct cooling versus systemic cooling and control (strength 101%, 94%, 93%, respectively; pain 1.0, 2.3, 2.7, respectively). Six hours of PCM cooling was well tolerated and reduced strength loss and pain after damaging exercise. 相似文献
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通过文献资料、实地观察、专家访谈和比较分析等方法对全国26个开展赛艇、皮划艇和激流回旋等水上运动项目的省级高水平训练基地冷热疗系统情况进行调查和分析,结果表明:全国水上运动高水平训练基地冷热疗系统分为桑拿房、冷水池、冷疗房、冷热水浴池4种,分别占全国40%、12%、4%和4%。目前有50%的桑拿房能在冬训期间正常使用,50%的桑拿房关闭,其他3种系统因维修成本高、使用率低等原因停用。分析导致这种现状的原因,提出对加强运动员和教练员疲劳恢复认识,提高冷疗系统使用率的建议。 相似文献
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超低温冷冻治疗在运动领域主要用于加速运动后的恢复和促进损伤后的康复。尽管超低温冷冻治疗在竞技体育领域进行了较多的实践应用,但现有研究在其对包括血液、抗氧化、免疫、心血管、内分泌和骨骼肌等诸多系统在内的生理学效应证据均表现为证据不足或缺乏证据。除了进一步积累充足的研究证据之外,实践应用方面仍需要重视常规冷疗手段所带来的生理和临床效果。 相似文献
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冰冻疗法作为急性软组织损伤即刻处理的第一处理方案被推崇至今,但是其生理机制尚不清楚,近年来对于冰冻疗法存在的弊端的声讨声也不断高涨。笔者分别对冰冻疗法的优势和所存在的问题进行简要阐述,同时对目前比较公认的综合冰疗策略进行了介绍。 相似文献
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Christiane de Souza Guerino Macedo Rafael Chagas Vicente Mauricio Donini Cesário 《Journal of sports sciences》2016,34(4):348-357
The purpose of this study was to evaluate the effects of cold-water immersion on the electromyographic (EMG) response of the lower limb and balance during unipodal jump landing. The evaluation comprised 40 individuals (20 basketball players and 20 non-athletes). The EMG response in the lateral gastrocnemius, tibialis anterior, fibular longus, rectus femoris, hamstring and gluteus medius; amplitude and mean speed of the centre of pressure, flight time and ground reaction force (GRF) were analysed. All volunteers remained for 20 min with their ankle immersed in cold-water, and were re-evaluated immediately post and after 10, 20 and 30 min of reheating. The Shapiro–Wilk test, Friedman test and Dunn’s post test (P < 0.05) were used. The EMG response values decreased for the lateral gastrocnemius, tibialis anterior, fibular longus and rectus femoris of both athletes and non-athletes (P < 0.05). The comparison between the groups showed that the EMG response was lower for the athletes. Lower jump flight time and GRF, greater amplitude and mean speed of centre of pressure were predominant in the athletes. Cold-water immersion decreased the EMG activity of the lower limb, flight time and GRF and increased the amplitude and mean speed of centre of pressure. 相似文献
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