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Article
Author(s)
Annette Karim1, Elizabeth Lemos2, Huynh Nguyen2, Katy Mitchell2, Toni Roddey2 and Sharon Olson2
Full-Text PDF XML 607 Views
DOI:10.17265/2328-7136/2019.01.001
Affiliation(s)
1. Department of Physical Therapy, School of Behavioral and Applied Sciences, Azusa Pacific University, Azusa 91702, USA
2. School of Physical Therapy, Texas Woman’s University, Houston 77030, USA
ABSTRACT
Whole Body Vibration (WBV) is a new exercise trend in fitness and
performance enhancement. WBV platforms oscillate over a range of frequencies
and amplitudes; however no study to date has examined the experience of
perceived exertion with differences in vibration frequency and static or
dynamic body position, nor examined the difference between sexes based on
position and frequency during WBV. The purpose of this study was to assess the effects of position and frequency
on perceived exertion during WBV in healthy, active adults. A convenience
sample of 39 healthy young adults who participated in moderated exercise was
blinded and randomly allocated to six WBV conditions composed of different
frequency and position combinations. The participants received instruction,
provided informed consent, participated in a warm-up session, and then reported
rating of perceived exertion for each WBV condition. A 2×3 within-subjects
multivariate approach ANOVA was conducted against an alpha of 0.05. A
statistically significant main effect of position (p = 0.004) and
significant main effect of frequency (p = 0.025) were found.
Significant marginal means were found between the frequencies of 0 Hz and 50 Hz
(p = 0.007). Statistically
significant differences were found between sexes for all combinations.
KEYWORDS
Whole-body vibration, Borg, plié, perceived exertion.
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