The leg-tuck versus the plank-hold relative to the army combat fitness test: Interactions with body composition, strength and sex

Stephen Gonzales, Kevin Withrow, J. Jay Dawes, Rob Marc Orr, Scott Lynn, Daniela Rubin, Robert G. Lockie

Research output: Contribution to conferencePosterResearchpeer-review

Abstract

In 2020 the U.S. Army replaced their older physical fitness test with the Army Combat Fitness Test (ACFT) to replicate modern battlefield demands. One component of the test, the leg-tuck (LTK) was found to disproportionately fail female soldiers. Following an independent review, the Army adopted the plank-hold (PLK), attempting to limit the influence of sex differences during the assessment. However, research regarding performance, relationships, and the influence of sex on the LTK versus the PLK is limited. PURPOSE: To determine relationships between the LTK, PLK, sex, body composition and abdominal and grip strength. METHODS: 49 physically active civilian college students (28 males, 21 females) were recruited as a surrogate population for Army personnel in this study. The following data were collected in one session: height; body mass (BM), body fat (BF%) and muscle mass percentage (MM%) measured via bioelectrical impedance analysis; combined grip strength (CGS) from both hands; the LTK; and the PLK. ACFT standards were utilized for the LTK and PLK for all participants and a 10-minute rest was provided between tests. Independent t-tests compared sexes in all variables (p
Original languageEnglish
Publication statusUnpublished - 28 Oct 2022
EventSouthwest American College of Sports Medicine 2022 Annual Conference - Costa Mesa, United States
Duration: 28 Oct 202229 Oct 2022
https://www.acsm.org/membership/regional-chapters/acsm-chapters/southwest/southwest-l2/meeting-info

Conference

ConferenceSouthwest American College of Sports Medicine 2022 Annual Conference
Abbreviated titleSWACSM
Country/TerritoryUnited States
CityCosta Mesa
Period28/10/2229/10/22
Internet address

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