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Título
Exercise-associated muscle cramps and creatine kinase responses after workload spikes in a professional soccer player: a case study
Autor
Facultad/Centro
Área de conocimiento
Título de la revista
Human Movement
Número de la revista
1
Datos de la obra
Alves, A.; Soalheiro, I.; Claudino, J.; Rocha, G.; Alves, A.; Pimenta, E.; Boullosa Álvarez, D. A. (2023). Exercise-associated muscle cramps and creatine kinase responses after workload spikes in a professional soccer player: a case study. Human Movement, 24, 114-120(1), https://doi.org/10.5114/HM.2023.111549
Editor
Termedia Publishing
Fecha
2023
ISSN
1899-1955
Abstract
[EN] Purpose. Exercise-associated muscle cramps (EAMC) are characterized by intense pain and involuntary contractions of
a single muscle or muscle group. While EAMCs may occur during and after exercise, their precise aetiology remains unknown.
However, there are some potential risk factors, as the workload of physical training previously performed. The purpose of
this case report was to evaluate the acute:chronic workload ratio (ACWR) and creatine kinase (CK) concentrations in a profes-
sional soccer player to verify the potential influence of recent training history on an extreme EAMC episode and subsequent
muscle damage.
Methods. A 21-year-old professional soccer player (body fat: 6.5%; body mass: 76 kg; height: 1.76 m) who experienced an
extreme EAMC episode after the end of an official soccer match was monitored with session rating of perceived exertion
before and after the EAMC episode and with post-match CK concentrations.
Results. ACWR revealed several spikes on the days before the match, with the highest one observed on the match day.
The CK concentrations recorded 35 and 53 hours after the EAMC episode were 262% and 182% higher, respectively, than
the maximal CK concentrations recorded during the season (703 U/l).
Conclusions. This case report illustrates, for the first time, how workload spikes, monitored with ACWR, preceded an
extreme EAMC episode that was followed by an exacerbated muscle damage response. Some insights are provided in this case
report for practitioners working in professional soccer to help them better manage similar cases.
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