Recovery following exercise-induced fatigue: Influence of a single heart rate clamped cycling session under systemic hypoxia

Siu Nam Li; Peter Peeling; Brendan R Scott; Jeremiah J Peiffer; Alex Shaykevich; Olivier Girard

doi:10.1080/02640414.2024.2330816

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Recovery following exercise-induced fatigue: Influence of a single heart rate clamped cycling session under systemic hypoxia

Journal article

Open access

Peer reviewed

Recovery following exercise-induced fatigue: Influence of a single heart rate clamped cycling session under systemic hypoxia

Siu Nam Li, Peter Peeling, Brendan R Scott, Jeremiah J Peiffer, Alex Shaykevich and Olivier Girard

Journal of sports sciences, pp.1-8

2024

DOI: https://doi.org/10.1080/02640414.2024.2330816

PMID: 38502604

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Abstract

training camp

environmental stress

external load

accumulated fatigue

Internal load

We investigated whether a single heart rate clamped cycling session under systemic hypoxia affects the recovery of physical and psycho-physiological responses from residual fatigue compared to normoxia. On separate occasions, twelve trained males performed a 3-d acute training camp scenario. On days 1 and 3, participants cycled for 60 min at a constant heart rate (80% of ventilatory threshold). On day 2, fatigue was induced through a simulated team game circuit (STGC), followed by a 60-min intervention of either: (1) heart rate clamped cycling in normoxia; (2) heart rate clamped cycling in hypoxia (simulated altitude ~ 3500 m); or (3) no cycling. Countermovement jump height and leg stiffness were assessed before and after every session. Perceptual fatigue was evaluated daily. Compared to baseline, jump height decreased at all timepoints following the STGC (all p < 0.05). Leg stiffness and cycling power output only decreased immediately following the STGC, with a 48% further decrease in cycling power output in hypoxia compared to normoxia (p < 0.05). Perceived fatigue, decreased sleep quality, and increased muscle soreness responses occurred on day 3 (p < 0.05). A single heart rate-clamped cycling session in hypoxia reduced mechanical output without affecting recovery of physical performance and perceptual measures from residual fatigue induced through team sport activity.

Details

Title: Recovery following exercise-induced fatigue: Influence of a single heart rate clamped cycling session under systemic hypoxia
Authors/Creators: Siu Nam Li - The University of Western Australia
Peter Peeling - The University of Western Australia
Brendan R Scott - Murdoch University
Jeremiah J Peiffer - Murdoch University
Alex Shaykevich - Perron Institute for Neurological and Translational Science
Olivier Girard - The University of Western Australia
Publication Details: Journal of sports sciences, pp.1-8
Publisher: Taylor & Francis
Identifiers: 991005650870007891
Murdoch Affiliation: Centre for Healthy Ageing; Murdoch Applied Sports Science Laboratory; Research and Innovation Office
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration
Citation topics: 1 Clinical & Life Sciences; 1.172 Sports Science; 1.172.648 Exercise Physiology
Web Of Science research areas: Sport Sciences
ESI research areas: Clinical Medicine