Key result
Whole body vibration during rest after intense exercise improved lactate level recovery (93.8% vs 32.8%) and heart rate recovery (88.39% vs 64.72%) compared to rest without vibration.
Why the study?
Does whole body vibration during rest improve lactate level recovery and heart rate recovery in healthy subjects after intense exercise?
Does whole body vibration during rest improve lactate level recovery and heart rate recovery in healthy subjects after intense exercise?
Absolute Event Rate: 93.8% vs 32.8%
Whole-body vibration during rest after intense exercise significantly improves lactate clearance and heart rate recovery in healthy subjects.
May hasten lactate clearance and HRR after exercise in healthy subjects; leaves open efficacy, safety, and adoption in clinical populations.
OBJECTIVE: In this paper, we investigated the recovery of the lactate level, muscular fatigue, and heart rate recovery (HRR) with respect to whole body vibration (WBV) during the rest stage after a gait exercise. METHODS: A total of 24 healthy subjects with no medical history of exercise injury participated. The participants were divided into a training group with vibration during rest and a control group with the same conditions but without vibration. The subjects performed a gait exercise with a slope of 15% and velocity of 4 km/h to consume 450 kcal in 30 min. Then, they rested on a vibrating chair or on a chair without vibrations for 30 min. The vibration protocol consists of a frequency of 10 Hz and amplitude of 5 mm. To estimate the recovery effect, we measured the lactate levels in blood, spectral edge frequency (SEF) of MVIC, and HRR before, immediately after exercise, and after rest. RESULTS: The results showed that the lactate level in the training group decreased more (93.8%) than in the control group (32.8%). Also, HRR showed a similar trend with a recovery of 88.39% in the training group but 64.72% in the control group. We considered that whole-body vibrations during rest would help remove lactic acid by improving the level of lactic acid oxidation with stimulated blood vessels in the muscles and by helping to maintain blood flow. Also, WBV would lead to compensation to actively decrease the fast excess post-exercise oxygen consumption from blood circulation. CONCLUSIONS: We suggest that whole-body vibrations during rest can provide fast, efficient fatigue recovery as a cool down exercise for women, the elderly, and patients without other activity after intense exercise.
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Kang et al. (2017) studied Healthy subjects (n=24). Whole body vibration vs. Rest without vibration was evaluated on Lactate level recovery. Whole body vibration during rest after intense exercise improved lactate level recovery (93.8% vs 32.8%) and heart rate recovery (88.39% vs 64.72%) compared to rest without vibration.
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