UNLABELLED:Contrast bathing (CB) and compression garments (CG) are widely used to promote recovery. PURPOSE:To evaluate CB and CG as regeneration strategies after exercise-induced muscle damage (EIMD). METHODS:Baseline values of muscle soreness, serum creatine kinase (CK) and myoglobin (Mb), joint range of motion, limb girth, 10- or 30-m sprint, countermovement jump (CMJ), and five repetition maximum squat were completed by 26 young men who then undertook a resistance exercise challenge (REC) to induce EIMD: 6 x 10 parallel squats at 100% body weight with 5-s one repetition maximum eccentric squat superimposed onto each set. After the REC, subjects were separated into three intervention groups: CB, CG, and control (CONT). Forty-eight hours after REC, the subjects exercise performance was reassessed. CK and Mb were also measured +1, +24, and +48 h post-REC. RESULTS:CK was elevated at +24 h ( upward arrow140%; upward arrow161%; upward arrow270%), and Mb was elevated at +1 h ( upward arrow523%; upward arrow458%; upward arrow682%) in CB, CG, and CONT. Within-group large effect sizes for loge[CK] were found for CB at +24 h (0.80) and +48 h (0.84). Area under the [Mb] curve was lower in CB compared with CG and CONT (P < or = 0.05). At +48 h, significant differences from baseline were found in all groups for CMJ (CG, downward arrow5.1%; CB, downward arrow4.4%; CONT, downward arrow8.5%) and soreness ( upward arrow213%; upward arrow284%; upward arrow284%). Soreness transiently fell at +1 h compared with post-REC in the CB group. At +48 h, midthigh girth increased in CB ( upward arrow1.4%) and CONT ( upward arrow1.6%), whereas 30-m sprint time increased in CG ( upward arrow2%). CONCLUSION:No hierarchy of recovery effects was found. Neither contrast bathing nor compression acted to promote acute recovery from EIMD any more effectively than passive conditions, although contrast bathing may transiently attenuate postexercise soreness.

译文

贴标签:对比沐浴(CB)和紧身衣(CG)被广泛用于促进恢复。
目的:评估运动诱发的肌肉损伤(EIMD)后CB和CG作为再生策略。
方法:完成肌肉酸痛,血清肌酸激酶(CK)和肌红蛋白(Mb),关节活动范围,肢体周长,10或30 m冲刺,反运动跳跃(CMJ)以及五个重复最大下蹲的基线值26名年轻男子随后进行了抵抗运动挑战(REC)以诱导EIMD:100%体重时进行6 x 10次平行下蹲,每组重复5s一次最大重复偏心深蹲。 REC后,将受试者分为三个干预组:CB,CG和对照(CONT)。 REC后48小时,对受试者的运动表现进行了重新评估。 REC后1、24和48小时也测量了CK和Mb。
结果:在CB,CG和CONT中,CK在24小时升高(向上箭头140%;向上箭头161%;向上箭头270%),而Mb在1小时时升高(向上箭头523%;向上箭头458%;向上箭头682%)。发现CB在24 h(0.80)和48 h(0.84)时,loge [CK]的组内效应值较大。与CG和CONT相比,CB中[Mb]曲线下的面积要低(P <或= 0.05)。在第48小时时,所有组的CMJ(CG,向下箭头5.1%; CB,向下箭头4.4%; CONT,向下箭头8.5%)和酸痛(向上箭头213%;向上箭头284%)与基线相比均存在显着差异。 ;向上箭头284%)。与CB组的REC后相比,疼痛在1 h短暂下降。在48小时时,CB(上箭头1.4%)和CONT(上箭头1.6%)的中大腿周长增加,而CG(上箭头2%)的30米短跑时间增加。
结论:未发现恢复效果的等级。尽管对比沐浴可能会暂时减轻运动后的酸痛,但对比沐浴和加压都没有比被动条件更有效地促进从EIMD急性恢复。

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