Do 6 Months Of Whole Body Vibration Training Improve Bone Mass Acquisition Of Adolescent Swimmers?

Vicente-Rodriguez, G. (Universidad de Zaragoza) ; Gomez-Bruton, A. (Universidad de Zaragoza) ; Matute-Llorente, A. (Universidad de Zaragoza) ; Julian-Almarcegui, C. (Universidad de Zaragoza) ; Lozano-Berges, G. (Universidad de Zaragoza) ; Marin-Puyalto, J. (Universidad de Zaragoza) ; Gomez-Cabello, A. ; Gonzalez-Aguero, A. (Universidad de Zaragoza) ; Casajus, J.A. (Universidad de Zaragoza)
Do 6 Months Of Whole Body Vibration Training Improve Bone Mass Acquisition Of Adolescent Swimmers?
Resumen: Whole body vibration (WBV) training has been suggested to be an effective type of training for improving bone mass.
PURPOSE: To determine the effects of WBV training on bone mass acquisition in adolescent swimmers.
METHODS: Sixty-four swimmers were followed over 8 months. Participants were divided in to two groups: The first group consisted of forty-one swimmers (14.2±1.8 y) who completed a WBV protocol 15 minutes of training 3 days per week during 6 months (WBV training increased each month starting with a peak acceleration of 3.6 g and ending at 11.6 during the last month) while continuing with their habitual water training (VIB). The second group consisted of twenty-three swimmers (15.0±2.2 y) who continued with their regular swimming training (SWI) (both groups performed an average of 10 hours per week of water training). Bone mineral density (BMD) and content (BMC) were measured longitudinally (8 months) by Dual Energy X-ray Absorptiometry at the whole body, lumbar spine and non-dominant hip. Analysis of covariance (ANCOVA) for repeated measures x2 (time) were performed to check differences within groups between pre and post intervention and to determine the effects of the intervention on BMD and BMC values adjusting by change in height and subtotal lean, initial age and final Tanner stage and calcium intake.
RESULTS: Six months of WBV training had little effect on bone mass, as no differences were found between VIB and SWI for absolute change or percentage change for BMD values. For BMC, VIB presented higher absolute and percentage changes in both trochanter (7% increase in VIB vs. 3% in SWI) and total hip (6% increase in VIB vs. 3% in SWI) than SWI, although there was no group by time interaction.
CONCLUSION: WBV training might entail minor benefits to BMC acquisition in adolescent swimmers. A minimum compliance of sixty percent was needed to improve BMC, which in the present study consisted of attending at least 2 of the 3 weekly days of training. Future studies using WBV should try to perform more sessions per week at higher intensities to determine if this type of training could be highly beneficial to bone or if other high-impact trainings might be more suitable to improve bone mass in this population.

Idioma: Inglés
DOI: 10.1249/01.mss.0000485930.66262.3c
Año: 2016
Publicado en: MEDICINE AND SCIENCE IN SPORTS AND EXERCISE 48, 5 (2016), 308-309
ISSN: 0195-9131

Factor impacto JCR: 4.141 (2016)
Categ. JCR: SPORT SCIENCES rank: 6 / 81 = 0.074 (2016) - Q1 - T1
Factor impacto SCIMAGO: 2.052 - Orthopedics and Sports Medicine (Q1) - Sports Science (Q1) - Physical Therapy, Sports Therapy and Rehabilitation (Q1)

Financiación: info:eu-repo/grantAgreement/ES/MICINN/DEP2011-29093
Tipo y forma: Comunicación congreso (Versión definitiva)
Área (Departamento): Área Educación Física y Depor. (Dpto. Fisiatría y Enfermería)

Derechos Reservados Derechos reservados por el editor de la revista


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