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Acute Bone Marker Responses to Whole-Body Vibration and Resistance Exercise in Young Women.
MedLine Citation:
PMID:  22902255     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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 (20Hz, 3.38 peak-peak displacement, separated by 1min 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.
Authors:
Vanessa D Sherk; Carmen Chrisman; Jessica Smith; Kaelin C Young; Harshvardhan Singh; Michael G Bemben; Debra A Bemben
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-15
Journal Detail:
Title:  Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry     Volume:  -     ISSN:  1094-6950     ISO Abbreviation:  J Clin Densitom     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9808212     Medline TA:  J Clin Densitom     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 The International Society for Clinical Densitometry. Published by Elsevier Inc. All rights reserved.
Affiliation:
Bone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA.
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