OBJECTIVE:To evaluate whether an 8-week whole-body vibration training program may improve recovery of knee flexion/extension muscular strength in athletes after arthroscopic anterior cruciate ligament (ACL) reconstruction. DESIGN:Randomized controlled trial. SETTING:Single outpatient rehabilitation center. PARTICIPANTS:Thirty-eight female volleyball/basketball players (aged between 20 and 30), randomized into 2 treatment groups. INTERVENTIONS:During a standardized six-month rehabilitation program, from week 13 to week 20 after surgery, the whole-body vibration group (n = 19) and the control group (n = 19) performed additional static knee flexor/extensor exercises on a vibration platform. For the whole-body vibration group, the vibration platform was set to 2.5 mm of amplitude and 26 Hz of frequency. The control group followed the same whole-body vibration board training with no vibrations. MAIN OUTCOME MEASURES:All patients were evaluated using an isokinetic strength test with a Biodex dynamometer at the beginning and at the end of the additional treatment protocol. The parameters tested were the peak torque and the maximum power of knee flexor and extensor muscles performing strength and endurance tests. RESULTS:No vibration-related side effects were observed. Improvements were noticed in both groups, but increase in knee muscle isokinetic strength values was statistically significant in the whole-body vibration group when compared with the control group (differences in extension: peak torque 11.316/10.263 N·m and maximum power 13.684/11.211 W; flexion: peak torque 9.632/11.105 N·m and maximum power 10.158/9.474 W; P < 0.001). CONCLUSIONS:When combined with a standardized rehabilitation program, whole-body vibration may increase muscular strength and be an effective additional treatment option in the rehabilitation of athletes after ACL arthroscopic reconstruction.

译文

目的:评估为期8周的全身振动训练计划是否可以改善关节镜前交叉韧带(ACL)重建后运动员屈膝/伸展肌肉力量的恢复。
设计:随机对照试验。
地点:单个门诊康复中心。
参与者:38名女子排球/篮球运动员(年龄在20至30岁之间),随机分为2个治疗组。
干预措施:在标准化的六个月康复计划中,从手术后第13周到第20周,全身振动组(n = 19)和对照组(n = 19)进行了额外的静态膝屈肌/伸肌练习。振动平台。对于全身振动组,将振动平台设置为2.5毫米的振幅和26赫兹的频率。对照组接受相同的全身振动板训练,无振动。
主要观察指标:在其他治疗方案的开始和结束时,均用Biodex测功机通过等速肌力测试对所有患者进行评估。测试的参数是执行力量和耐力测试的峰值扭矩和膝盖屈肌和伸肌的最大力量。
结果:未观察到与振动相关的副作用。两组均注意到改善,但与对照组相比,全身振动组膝部肌肉的等速力量值增加具有统计学意义(延伸差异:峰值扭矩11.316 / 10.263 N·m和最大功率13.684 / 11.211 W;屈曲:峰值扭矩9.632 / 11.105 N·m,最大功率10.158 / 9.474 W; P <0.001)。
结论:与标准的康复计划结合使用时,全身振动可能会增加肌肉力量,并成为ACL关节镜重建术后运动员康复的有效附加治疗选择。

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