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Dissertation/Thesis Abstract

Using an IMU for ground reaction force estimation during a vertical jump task
by Berardo-Cates, Alexander T., M.S., California State University, Long Beach, 2016, 32; 10167505
Abstract (Summary)

The purpose of this study was to determine if a single inertial measurement unit (IMU) could be used to estimate the vertical ground reaction force (vGRF) of a vertical jump. To do this 16 college-age participants (8 female, 8 male) preformed three counter movement jumps, three drop jumps, and three squat jumps. All jumps were simultaneously recorded with a force plate (1250 Hz) and an IMU (128 Hz) placed on the sacral-L5 junction. The peak rate of force development, reactive strength index, jump impulse, jump height determined from impulse (himp), jump height determined from flight time, and peak force were measured using both the force plate and IMU. There was a significant difference between measuring devices for all dependent variables (p < 0.05) except the himp (p = 0.341). In conclusion, this study does not provide a means of accurately estimating vGRF using an IMU.

Indexing (document details)
Advisor: Becker, James
Commitee: Nakajima, Mikiko, Wu, Wilbur
School: California State University, Long Beach
Department: Kinesiology
School Location: United States -- California
Source: MAI 56/02M(E), Masters Abstracts International
Subjects: Kinesiology, Biomechanics
Keywords: Ground reaction force, Inertial measurement unit, Jump impulse, Loading rate, Vertical jump
Publication Number: 10167505
ISBN: 978-1-369-21854-1
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