Exertional Rhabdomyolysis After CrossFit Exercise

Adhikari, Prakash; Hari, Adithya; Morel, Laurent; Bueno, Yolin

doi:10.7759/cureus.12630

Cited by 9 publications

(6 citation statements)

References 8 publications

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“…After a high-intensity CrossFit ® training program, a process of muscle tissue breakdown and dumping of intramyocellular contents into the systemic circulation is initiated [ 38 ]. Sustained and intense WODs can initiate a significant elevation of several plasma stress mediators as markers of circulating muscle damage [ 33 ].…”

Section: Discussionmentioning

confidence: 99%

6-Week Supplementation with Tribulus terrestris L. to Trained Male CrossFit® Athletes on Muscle, Inflammation, and Antioxidant Biomarkers: A Randomized, Single-Blind, Placebo-Controlled Trial

Fernández-Lázaro

Calvo

Pascual-Fernández

et al. 2022

IJERPH

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Tribulus terrestris L. (TT) ingredients have anti-inflammatory and antioxidant activities, but their effects on exercise-induced muscle damage (EIMD) in trained athletes are uncertain. The purpose of this single-blind placebo-controlled trial, in accordance with CONSORT guidelines, was to examine the effect of 6 weeks of TT supplementation on muscle metabolism, inflammation biomarkers, and oxidant status. Thirty trained male CrossFit® athletes were randomly assigned to be supplemented with 770 mg/day of TT (intervention group (IG)) or receive a placebo daily (control group (CG)) for 6 weeks. Muscle damage enzymes, inflammation biomarkers, and Total Antioxidant Status (TAS) were assessed at baseline (T1), 21 days after baseline (T2), and after 42 days (T3). Grace, a Workout of the Day, was measured in T1 and T3. Statistical significance (p< 0.05) was found between IG and CG in Lactate Dehydrogenase (LDH), C-reactive protein (CRP), and TAS levels at the end of the follow-up. Furthermore, TAS levels were significantly (p < 0.05) lower at T2 and T3 relative to baseline in the IG, also LDH and CRP increased significantly (p < 0.05) at T2 and T3 relative to baseline in the CG. No significant (p > 0.05) decreases in muscle damage or inflammation biomarkers were observed, although a slight downward trend was observed after 6 weeks for supplemented athletes. TT supplementation could attenuate the CrossFit® training program-induced oxidative stress, muscle damage, and inflammation which could be due to the natural antioxidant and anti-inflammatory properties of TT.

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Section: Discussionmentioning

confidence: 99%

6-Week Supplementation with Tribulus terrestris L. to Trained Male CrossFit® Athletes on Muscle, Inflammation, and Antioxidant Biomarkers: A Randomized, Single-Blind, Placebo-Controlled Trial

Fernández-Lázaro

Calvo

Pascual-Fernández

et al. 2022

IJERPH

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“…High blood lactate levels (>16 mmol•L −1 ) [28,46] have been described after completing FFT workouts, which has been linked to situations of extreme fatigue. Many studies have identified situations of rhabdomyolysis related to this type of high-intensity effort [47][48][49]. Hence, it is likely that all-out training through FFT tactics such as AMRAP, RFT, or EMON (every minute on the minute) could have adverse health impacts [11].…”

Section: Discussionmentioning

confidence: 99%

Effects of Introducing Rest Intervals in Functional Fitness Training

et al. 2021

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Background: Functional Fitness Training (FFT) is a new exercise modality prioritizing functional multi-joint movements executed at high intensity as a circuit. Objective: To examine the impacts of introducing rest intervals in a FFT workout compared to “rounds for time” (RFT) FFT. Materials and Methods: Participants were 25 resistance-trained adults who completed two FFT workouts 1 week apart. The study design was crossover such that in a given session half the participants completed the standard and the other half the adapted FFT (FFTadapted). The workouts consisted of the same exercises (circuit of four rounds of exercises), but one (FFTadapted) included preset rest intervals (three sets of 1 min after each completed round). Before and after the workouts, countermovement jump ability and blood lactate were measured. Heart rate (HR) and ratings of perceived exertion (RPE) were measured post-exercise. Results: For both the standard and adapted protocols, mean HR was 90% age-predicted maximum. Final RPE was also similar for both workouts (~15–15.5) and indicated a “hard” work intensity. Both FFTs took the same time to complete (~13 min). Furthermore, no significant differences were observed in jump ability between FFTs. In contrast, lactate (15.11 ± 3.64 vs. 13.48 ± 3.64 mmol·L−1, p < 0.05), measured 3 min post-exercise, was significantly lower in FFTadapted. Conclusions: In FFTadapted, there was a significant reduction in RPE and blood lactate concentrations after exercise, while there were no significant differences in either HR or jumping ability, compared to a FFT workout in RFT methodology.

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“…He did not develop acute kidney injury (AKI) or any other complication of his ER. His CK fell steadily day by day, but he was kept until day 6, when CK was 7980 U·L −1 (1).…”

Section: Er In a Civilianmentioning

confidence: 99%

The Vagaries of Exertional Rhabdomyolysis

Eichner¹

2021

Curr Sports Med Rep

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Exertional Rhabdomyolysis After CrossFit Exercise

Cited by 9 publications

References 8 publications

6-Week Supplementation with Tribulus terrestris L. to Trained Male CrossFit® Athletes on Muscle, Inflammation, and Antioxidant Biomarkers: A Randomized, Single-Blind, Placebo-Controlled Trial

6-Week Supplementation with Tribulus terrestris L. to Trained Male CrossFit® Athletes on Muscle, Inflammation, and Antioxidant Biomarkers: A Randomized, Single-Blind, Placebo-Controlled Trial

Effects of Introducing Rest Intervals in Functional Fitness Training

The Vagaries of Exertional Rhabdomyolysis

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