Army Combat Fitness Test Scores Moderate Cognitive Function Improvements After a Ruck March: A Hierarchical Linear Model Approach.

Heavy load carriage is a common task for military personnel and can lead to undue physical and mental fatigue. The purpose of this study was to assess effects of load carriage on cognitive function (CF) and the role individual characteristics play in CF responses. Anthropometrics/body composition, d...

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Publicado en:Journal of Strength & Conditioning Research Vol. 38; no. 7; pp. 1314 - 1321
Autores principales: van der Weyden, Megan Sax, Merrigan, Justin J., Newman, Kayleigh, Hahn, Joseph, Martin, Joel
Formato: equations & formulas research tables/charts Journal Article
Publicado: Lippincott Williams & Wilkins Jul2024
Acceso en línea:Ver este registro en EBSCOhost
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      jtl: Journal of Strength & Conditioning Research
      issn: 10648011
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    pubinfo:
      dt: Jul2024
      vid: 38
      iid: 7
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      pub: Lippincott Williams & Wilkins
      place: Baltimore, Maryland
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        10.1519/jsc.0000000000004788
        178342789
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        atl: Army Combat Fitness Test Scores Moderate Cognitive Function Improvements After a Ruck March: A Hierarchical Linear Model Approach.
      aug:
        au:
          van der Weyden, Megan Sax
          Merrigan, Justin J.
          Newman, Kayleigh
          Hahn, Joseph
          Martin, Joel
        affil: Sports Medicine Assessment Research & Testing (SMART) Laboratory, George Mason University, Fairfax, Virginia.
      sug:
        subj:
          Military Personnel Psychosocial Factors
          Exercise Test
          Physical Fitness
          Weight-Bearing
          Cognition Evaluation
          Military Health
          Task Performance and Analysis
          Personality
          Human
          Male
          Female
          Prospective Studies
          Research, Military
          Anthropometry
          Descriptive Statistics
          Linear Regression
          Body Composition
          Sex Factors
          Occupational Health
          Male
          Female
      ab: Heavy load carriage is a common task for military personnel and can lead to undue physical and mental fatigue. The purpose of this study was to assess effects of load carriage on cognitive function (CF) and the role individual characteristics play in CF responses. Anthropometrics/body composition, demographics, and Army Combat Fitness Test (ACFT) scores were gathered from 47 Reserve Officers’ Training Corps cadets. Cadets’ CF was assessed through the concentration task grid (CTG) before (preruck), immediately after (postruck), and 3 weeks after (follow-up) a 16.09- to 19.31-km ruck march. Hierarchical linear modeling was used, with a, 0.05. The final model revealed growth, or improvement, in CF from preruck to postruck with growth decelerating, but still improved, at follow-up. The load carriage bout improved CF in most cadets, with average growth from 5.67- to 7.20-grid squares found. However, postruck CF did not return to the same level as a controlled follow-up (9.69). Sex (2.46, female), familiarity with the CTG (1.99), ACFT total scores (0.009), and relative ruck mass (20.09) were all significant predictors of postruck CF. Army Combat Fitness Test scores (0.008) were also significant predictors of the slope between preruck and postruck, such that an ACFT score 59 points above average would result in a 1-grid square greater improvement in CF postruck. The significance of ACFT scores, lower relative ruck mass, and familiarization highlights the importance physical and mental preparation for desirable CF outcomes after occupational tasks.
      pubtype: Academic Journal
      doctype:
        equations & formulas
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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