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Is Recovery Optimized by Using a Cycle Ergometer Between Ski-Mountaineering Sprints?

Bastien Krumm1,2, Frédéric Luisier1, Arnaud Rapillard3

  • 1Institute of Sport Sciences, University of Lausanne, Switzerland.

International Journal of Sports Physiology and Performance
|March 25, 2023
PubMed
Summary
This summary is machine-generated.

Active recovery on an ergocycle did not improve ski mountaineering sprint performance compared to self-selected recovery. However, active recovery strategies faster reduced blood lactate levels than passive recovery between heats.

Keywords:
elite athletessprint recovery

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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Endurance Sports

Background:

  • Ski mountaineering sprint competitions involve repeated high-intensity efforts with short recovery periods.
  • Optimizing recovery between heats is crucial for maintaining performance in multi-heat events.
  • Current recovery strategies often rely on athlete self-selection, with limited evidence on optimal protocols.

Purpose of the Study:

  • To determine if a standardized ergocycle active recovery protocol enhances performance in ski mountaineering sprints compared to self-selected recovery.
  • To compare physiological responses, including lactate accumulation and heart rate, between ergocycle and self-selected recovery strategies.
  • To evaluate the impact of different recovery methods on subsequent sprint performance in elite ski mountaineers.

Main Methods:

  • Thirteen elite ski mountaineers completed three sprints under two randomized recovery conditions: 10-minute ergocycle exercise at 70% max heart rate (Ergo) and self-selected recovery (Free).
  • Sprint times, heart rate (HR), lactate concentration ([La]), and rating of perceived exertion (RPE) were measured.
  • A passive recovery phase followed the third sprint in both conditions.

Main Results:

  • No significant differences were observed in sprint times, average recovery HR, or RPE between the Ergo and Free conditions.
  • Blood lactate ([La]) levels decreased significantly more following both active recovery conditions (Ergo and Free) compared to passive recovery.
  • Lactate reduction was comparable between the ergocycle and self-selected recovery protocols.

Conclusions:

  • A standardized ergocycle active recovery protocol does not offer performance benefits over self-selected recovery in ski mountaineering sprints.
  • Active recovery, whether ergocycle-based or self-selected, facilitates a more rapid reduction in blood lactate compared to passive recovery.
  • Active recovery strategies appear more suitable for managing physiological stress between multiple sprint heats in ski mountaineering.