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Acute Physiological Responses to Rope Climbing Ergometer High-Intensity Interval Training in Males and Females.

Hannah K Eberhardt1,2, Matthew F Brisebois1, Matthew A Yeomans1

  • 1Department of Human Performance and Health, The University of South Carolina Upstate, Spartanburg, SC, USA.

International Journal of Exercise Science
|December 10, 2025
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Summary

Rope climbing high-intensity interval training (RC-HIIT) provides moderate-to-vigorous exercise intensity. Males showed higher physiological responses than females, but enjoyment was similar across sexes.

Keywords:
HIITenergy expenditurefemale physiologymetabolic costmetabolism

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Area of Science:

  • Exercise Physiology
  • Sports Science
  • Human Performance

Background:

  • Rope climbing high-intensity interval training (RC-HIIT) is a novel modality.
  • Limited data exists on the acute physiological responses to RC-HIIT, especially comparing sexes.

Purpose of the Study:

  • To assess acute physiological responses to a single RC-HIIT bout.
  • To compare these responses between males and females.

Main Methods:

  • 22 recreationally active participants (11M/11F) completed a 15-minute RC-HIIT protocol (10 rounds, 30s work:60s rest).
  • Continuous monitoring of heart rate (HR) and gas analysis (V̇O2).
  • Blood lactate (BLa) measured post-exercise; V̇O2 recovery assessed.

Main Results:

  • Exercise elicited HR indicative of moderate-to-vigorous intensity (avg 74% APMHR, peak 90% APMHR).
  • Males exhibited significantly greater average V̇O2, peak V̇O2, energy expenditure, and post-exercise BLa compared to females (p < 0.05).
  • No significant sex differences in HR response or exercise enjoyment (PACES scores).

Conclusions:

  • A 15-minute RC-HIIT session is an effective moderate-to-vigorous intensity exercise.
  • Males demonstrate higher acute physiological strain than females during RC-HIIT.
  • RC-HIIT is an enjoyable training modality for both sexes.