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Convergent validity of a novel method for quantifying rowing training loads.

Jacqueline Tran1, Anthony J Rice, Luana C Main

  • 1a Centre for Exercise and Sports Science , Deakin University , Burwood , Australia.

Journal of Sports Sciences
|August 2, 2014
PubMed
Summary

The T2minute method accurately measures elite rowing training load by quantifying time spent in training zones. Using actual time-in-zone data improves its validity compared to other methods like TRIMP.

Keywords:
Banister’s TRIMPLucia’s TRIMPT2minutesession rating of perceived exertion

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Rowing Performance

Background:

  • Elite rowers utilize diverse training methods, including continuous and interval efforts across various intensities.
  • Existing training load metrics have limitations in accurately quantifying load across all training modes and intensities.
  • The T2minute method was developed to address these limitations in measuring rowing training stress.

Purpose of the Study:

  • To assess the convergent validity of the T2minute method against established training load measures.
  • To compare the T2minute method with Banister's TRIMP, Lucia's TRIMP, and Session-RPE in elite rowers.
  • To determine the effectiveness of the T2minute method for quantifying elite rowing training loads.

Main Methods:

  • Fourteen elite rowers (12 male, 2 female) participated in a four-week training monitoring study.
  • Training loads were quantified using the T2minute method, with and without adjustments for actual time-in-zone.
  • Convergent validity was examined by correlating T2minute loads with Banister's TRIMP, Lucia's TRIMP, and Session-RPE.

Main Results:

  • Unadjusted T2minute loads showed moderate-to-strong correlations with Banister's TRIMP (rho=0.58), Lucia's TRIMP (rho=0.55), and Session-RPE (rho=0.42).
  • Adjusting T2minute loads with actual time-in-zone data significantly improved correlations with Banister's TRIMP (rho=0.85) and Lucia's TRIMP (rho=0.81).
  • These findings indicate a strong relationship between the T2minute method and established TRIMP measures when precise time-in-zone data is utilized.

Conclusions:

  • The T2minute method is a valid and appropriate tool for measuring training loads in elite rowing.
  • Utilizing actual time-in-zone data enhances the accuracy and reliability of the T2minute method.
  • This method offers a practical solution for in-field quantification of rowing training stress.