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Acute Bone Marker Responses to Whole-Body Vibration and Resistance Exercise in Young Women
Authors:Vanessa D. Sherk  Carmen Chrisman  Jessica Smith  Kaelin C. Young  Harshvardhan Singh  Michael G. Bemben  Debra A. Bemben
Affiliation:1. Department of Family Medicine, National Taiwan University Hospital, Taipei, Taiwan;2. Department of Family Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Hsin-Chu, Taiwan;3. Department of Nuclear Medicine, National Taiwan University Hospital, Taipei, Taiwan;4. Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan;5. Division of Geriatric Research, Institute of Population Health Sciences, National Health Research Institutes, Taipei, Taiwan;6. Graduate Institute of Clinical Medical Science, China Medical University, Taipei, Taiwan;1. McMaster University, Hamilton, Ontario, Canada;2. University of Florence, Florence, Italy;3. Harvard University, Cambridge, MA, USA;4. Columbia University, New York, NY, USA
Abstract:Whole-body vibration (WBV) augments the musculoskeletal effects of resistance exercise (RE). However, its acute effects on bone turnover markers (BTM) have not been determined. This study examined BTM responses to acute high-intensity RE and high-intensity RE with WBV (WBV + RE) in young women (n = 10) taking oral contraceptives in a randomized, crossover repeated measures design. WBV + RE exposed subjects to 5 one-minute bouts of vibration (20 Hz, 3.38 peak-peak displacement, separated by 1 min of rest) before RE. Fasting blood samples were obtained before (Pre), immediately after WBV (PostVib), immediately after RE (IP), and 30-min after RE (P30). Bone alkaline phosphatase did not change at any time point. Tartrate-resistant acid phosphatase 5b significantly increased (p < 0.05) from the Pre to PostVib, then decreased from IP to P30 for both conditions. C-terminal telopeptide of type I collagen (CTX) significantly decreased (p < 0.05) from Pre to PostVib and from Pre to P30 only for WBV + RE. WBV + RE showed a greater decrease in CTX than RE (?12.6% ± 4.7% vs ?1.13% ± 3.5%). In conclusion, WBV was associated with acute decreases in CTX levels not elicited with RE alone in young women.
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