"Acute effects of whole body vibration and vertical jump height" by Patrick McKee

Graduate Program

Kinesiology and Sports Studies

Degree Name

Master of Science (MS)

Semester of Degree Completion

2012

Thesis Director

Jeffrey Willardson

Thesis Committee Member

Brian Pritschet

Thesis Committee Member

None

Abstract

The purpose of this study is to test vertical jump height after performing different warm up routines including jogging on a treadmill, riding a stationary bike, static stretching, and standing on a VibePlate. It was hypothesized that there would be a significant increase in vertical jump height after warming up on the VibePlate versus other warm up modalities. The participants for this study were Eastern Illinois University undergraduate and graduate students age 18-24 years (20.85 ± 1.70 yrs.). The sample consisted of sixteen men and ten women who were classified as low risk after completion of the PAR-Q. All participants signed an informed consent prior to data collection. Subjects were tested for vertical jump height (cm) immediately following warm-up and at 15 and 20 minutes post warm-up. One testing session was completed per week with the order of warm-up methods randomized. Measurements were taking by using a Vertec Device (Vertec Sports Imports, Hillard, Ohio). All Data was analyzed using SPSS Version 16.0 using a 3x4 repeated measures ANOVA to compare the vertical jump height. An Alpha level of 0.05 was used to determine significance.

No significant difference in vertical jump height between time points within each warm up method. There was a significant difference within each time point between warm up methods. Vertical jump height assessed immediately after warm-up was significantly greater for the Vibeplate versus the bike (p = 0.002) and the vibeplate versus static stretching (p = 0.0001). Vertical jump height assessed 15 minutes following warm-up was significantly greater for the vibeplate versus the bike (p = 0.007), the vibeplate versus static stretching (p = 0.004), and the vibeplate versus the treadmill (p = 0.001). Vertical jump height assessed 20 minutes following warm-up was significantly greater for the vibeplate versus the treadmill (p = 0.005).

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