Power Production and Biochemical Markers of Metabolic Stress and Muscle Damage Following a Single Bout of Short-Sprint and Heavy Strength Exercise in Well-Trained Cyclists
Although strength and sprint training are widely used methods in competitive cycling, no previous studies have compared the acute responses and recovery rates following such sessions among highly trained cyclists. The primary aim of the current study was to compare power production and biochemical m...
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Published in | Frontiers in physiology Vol. 9; p. 155 |
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Main Authors | , , , , , , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Switzerland
Frontiers Media S.A
05.03.2018
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Subjects | |
Online Access | Get full text |
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Summary: | Although strength and sprint training are widely used methods in competitive cycling, no previous studies have compared the acute responses and recovery rates following such sessions among highly trained cyclists. The primary aim of the current study was to compare power production and biochemical markers of metabolic stress and muscle damage following a session of heavy strength (HS) and short-sprint training (SS).
Eleven well-trained male cyclists (18 ± 2 years with maximal oxygen uptake of 67.2 ± 5.0 mL·kg
·min
) completed one HS session and one SS session in a randomized order, separated by 48 h. Power production and biochemical variables were measured at baseline and at different time points during the first 45 h post exercise.
Lactate and human growth hormone were higher 5 min, 30 min and 1 h post the SS compared to the HS session (all
≤ 0.019). Myoglobin was higher following the HS than the SS session 5 min, 30 min and 1 h post exercise (all
≤ 0.005), while creatine kinase (CK) was higher following the HS session 21 and 45 h post exercise (
≤ 0.038). Counter movement jump and power production during 4 sec sprint returned to baseline levels at 23 and 47 h with no difference between the HS and SS session, whereas the delayed muscle soreness score was higher 45 h following the HS compared to the SS session (
= 0.010).
Our findings indicate that SS training provides greater metabolic stress than HS training, whereas HS training leads to more muscle damage compared to that caused by SS training. The ability to produce power remained back to baseline already 23 h after both training sessions, indicating maintained performance levels although higher CK level and muscle soreness were present 45 h post the HS training session. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 This article was submitted to Exercise Physiology, a section of the journal Frontiers in Physiology Edited by: Luca Paolo Ardigò, University of Verona, Italy Reviewed by: Thomas Leonhard Stöggl, University of Salzburg, Austria; Eneko Fernández Peña, Department of Physical Education and Sport, University of the Basque Country (UPV/EHU), Spain |
ISSN: | 1664-042X 1664-042X |
DOI: | 10.3389/fphys.2018.00155 |