AI Article Synopsis
- This study looked into the occurrence of exercise-associated muscle cramps (EAMC) among athletes competing in ultraendurance events, specifically at the IRONMAN World Championship from 1989-2019.
- A total of 10,533 medical records were analyzed, finding that 2863 participants experienced EAMC, with dehydration, exhaustion, and previous cramping evaluations being key risk factors.
- The study concluded that while dehydration is linked to cramping, electrolyte imbalances (like low serum sodium or potassium) are not, which challenges some existing beliefs in the field.*
Article Abstract
Objective: This study aimed to explore associations and trends for athletes experiencing exercise-associated muscle cramps (EAMC) in ultraendurance competitions.
Design: Retrospective analysis of prospectively collected data.
Setting: Medical tent data were collected from annual IRONMAN World Championship events.
Participants: In total, 10 533 medical records were reviewed among 49 530 race participants from 1989 to 2019.
Assessment Of Risk Factors: Athlete demographics data, performance data, and additional medical conditions were examined.
Main Outcome Measures: Primary outcome of interest was to compare triathletes with and without EAMC. Secondary outcome was to analyze triathletes with subsequent EAMC.
Results: EAMC (N = 2863) occurred in 57.8 per 1000 participants (95% confidence interval = 55.7 to 60.0). The incidence of EAMC did not differ between athlete sex. Athletes with EAMC had greater weight loss but did not differ in serum sodium and serum potassium compared with those without EAMC. Further analysis with a logistic regression analysis revealed that dehydration, exhaustion, hypotension, abdominal pain, headaches, and a previous evaluation for cramping were strongly associated with muscle cramping. The most common treatment for EAMC was intravenous fluids.
Conclusions: Findings from the current study support previous reports that electrolyte abnormalities are not associated with cramping. However, our finding that dehydration is associated with muscle cramping contradicts current literature.
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| http://dx.doi.org/10.1097/JSM.0000000000001276 | DOI Listing |
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