Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Minimum weight prediction methods cross-validated by the four-component model.

R Randall Clark1, Cynthia Bartok, Jude C Sullivan

  • 1University of Wisconsin Hospital Sports Medicine Center, Madison, WI 53711, USA. rr.clark@hosp.wisc.edu

Medicine and Science in Sports and Exercise
|April 6, 2004
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comparison of different bromide equilibrium times to measure extracellular water in athletes: Analysis before and after a 4-day intervention to increase water intake.

Clinical nutrition ESPEN·2026
Same author

Changes in Water Turnover and Its Components Over One Athletic Season: An Observational Study Among Athletes From Different Sports.

International journal of sport nutrition and exercise metabolism·2026
Same author

Sex Differences in Measures of Energy Expenditure and Body Composition in Young, Middle-Aged, and Older Adults.

Current developments in nutrition·2026
Same author

Measuring dietary intake among participants with a urea cycle disorder using standard diet records or a novel food photography app.

Molecular genetics and metabolism·2025
Same author

Energy expenditure and obesity across the economic spectrum.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Isotope Dilution for Measuring Total Energy Expenditure, Water Turnover, and Total Body Water in Athletes: A Systematic Review.

International journal of sport nutrition and exercise metabolism·2025
Same journal

The Impact of Cardiorespiratory Fitness on Cytotoxic T Cell Metabolism and Function.

Medicine and science in sports and exercise·2026
Same journal

Female Athletes Through the Lifespan: Clinical Considerations and a Call for Comprehensive Sports Medicine Healthcare.

Medicine and science in sports and exercise·2026
Same journal

Artificial Intelligence in Exercise Science and Sports Medicine.

Medicine and science in sports and exercise·2026
Same journal

Non-Vigorous Physical Activity Associated with Reduced Hospitalization Risk with or without Diabetes or Peripheral Artery Disease: Study of Latinos.

Medicine and science in sports and exercise·2026
Same journal

One Step Further in Resistance Training Prescription: Do Recent Updates Require Reconsideration?

Medicine and science in sports and exercise·2026
Same journal

Response.

Medicine and science in sports and exercise·2026
See all related articles

The NCAA minimum weight (MW) prediction methods, including dual energy x-ray absorptiometry (DXA), bioelectrical impedance analysis (BIA), hydrostatic weighing (HW), and skinfolds (SF), were validated. Hydrostatic weighing and skinfolds demonstrated the best precision for predicting wrestler minimum weight.

Area of Science:

  • Sports Medicine
  • Exercise Physiology
  • Biostatistics

Background:

  • The National Collegiate Athletic Association (NCAA) mandates minimum weight (MW) prediction for collegiate wrestlers to prevent unhealthy weight loss.
  • Body composition assessment is crucial for determining safe and effective MW before the competitive season.

Purpose of the Study:

  • To cross-validate four body composition methods—dual energy x-ray absorptiometry (DXA), leg-to-leg bioelectrical impedance analysis (BIA), hydrostatic weighing (HW), and skinfolds (SF)—against a four-component (4C) criterion for predicting wrestler MW.
  • To assess the accuracy, precision, and systematic bias of these methods in predicting MW.

Main Methods:

  • The four-component (4C) model was used as the criterion standard for MW prediction.
  • Criterion MW was calculated using independent measurements of body density, bone mineral content, and total body water.

Related Experiment Videos

  • The study included 53 NCAA Division I wrestlers from the University of Wisconsin.

    • Main Results:

    • No significant differences were found between the mean MW predicted by HW, SF, BIA, DXA, and the 4C criterion.
    • Regression analyses showed that the relationships between the 4C criterion and HW, SF, DXA, and BIA did not significantly deviate from the line of identity.
    • Pure error (PE) values indicated that HW (1.34 kg) and SF (1.47 kg) offered better precision than BIA (3.08 kg) and DXA (2.28 kg).

    Conclusions:

    • While all tested methods showed comparable accuracy and no systematic bias, precision varied significantly.
    • Hydrostatic weighing (HW) and skinfolds (SF) demonstrated superior precision in predicting minimum weight.
    • The study supports the NCAA's use of these body composition methods for accurate and precise MW prediction in collegiate wrestlers.