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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
The Reliability of the Anaerobic Power Dummy Throw Test in High School Wrestlers: A Pilot Study
Author(s)
Eric Lopez1, Ryan Luke2, Kent J. Adams2 and Mark DeBeliso1
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DOI:10.17265/2332-7839/2018.03.009
Affiliation(s)
1. Department of Kinesiology and Outdoor Recreation, Southern Utah University, Cedar City, UT 84720, USA
2. Department of Kinesiology, California State University Monterey Bay, Seaside, CA 93955, USA
ABSTRACT
AP (anaerobic power) output is an
important physical characteristic that is required to succeed in sports such as
wrestling. The Wingate test is considered the Gold Standard for assessing AP
but is not specific to the sport of wrestling. The purpose of this study was to
examine the reliability of a novel field test known as the LWAPT (Lopez
wrestling anaerobic power test) for the assessment of AP. The participants were
male high school wrestlers (n = 10,
age: 17.0 ± 0.8 yrs, mass: 70.9 ± 10.2 kgs). The participants met on one
occasion in order to complete the testing protocol. The protocol initiated with
the participants completing a 10-15 minute dynamic WU (warm-up) that included
three practice dummy throw attempts (dummy mass = 31.75 kgs). Following the
dynamic WU (≈ 5 minutes), the participants performed two trials of the LWAPT.
In order to perform the LWAPT, wrestlers stood behind the wrestling dummy in a
squat position with legs bent at 45-90 degrees. Next the wrestlers wrapped
their arms around the waist of the dummy and on the signal “go” the wrestlers
quickly exploded up, lifting the dummy by getting triple extension with the
ankles, knees and hips as one would in a power clean. After the wrestler was
fully extended, he turned in midair in order to drive the dummy onto its
stomach on the ground, where the wrestler was on top of the back of the dummy
(a common position after an opponent has been thrown). The participant then
repositioned the dummy to the original position to execute another throw. The
participants completed as many dummy throws as possible during the one minute
trials. The LWAPT trials were separated by 15 minutes. The trial
scores were 15.6 ± 2.5 and 17.2 ± 1.5 throws respectively. The interclass and
intraclass reliability coefficients were r = 0.84 and ICC = 0.80. The standard error of the measure was SEm = 1.0
throws with 90% confidence limits of UL: 1.7, LL: 0.7.
The mean difference between trials was 1.6 ± 1.4 throws (90% confidence limits
of UL: 2.4, LL: 0.8). Bland-Altman plots suggested
agreement between trials with no evidence of heteroscedasticity. The
LWAPT exhibits moderate to high reliability as an assessment of AP. The
inclusion of additional dummy throw trials to the assessment protocol may
enhance the degree of reliability of the dummy throw test as a measure of AP.
KEYWORDS
Reliability, dummy, wrestling, high school.
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