Outcomes of exertional rhabdomyolysis following high‐intensity resistance training

Huynh, Andrew; Leong, Kai’En; Jones, N.; Crump, Nicholas; Russell, David; Anderson, Mitchell; Steinfort, Daniel P.; Johnson, Douglas

doi:10.1111/imj.13055

Cited by 17 publications

(13 citation statements)

References 22 publications

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“…Several injury-related factors were observed in CrossFit practitioners and athletes. The most present factors within the studies were the type of exercise performed, in 5 studies 3,[22][23][24][25] , and the training time of CrossFit, in 3 studies 6,26,27 . In addition, sex presented relation to the prevalence of injuries, where men presented a higher number of injuries in relation to women, and the presence of prior injury was associated with new injuries.…”

Section: Resultsmentioning

confidence: 99%

“…Previously cited in the literature as a risk during the practice of CrossFit 10 , cases of rhabdomyolysis were reported in one related study 24 . According to Hak et al 21 , this may have occurred due to the inclusion of practitioners of various fitness levels, where rhabdomyolysis is to be expected in those who exercise in extremely high levels of intensity.…”

Section: Body Regions Affected and Type Of Exercisementioning

confidence: 96%

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Perfil de lesões em praticantes de CrossFit: revisão sistemática

et al. 2018

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RESUMO O CrossFit se apresenta como um novo método de treinamento físico que vem ganhando popularidade desde sua criação. O objetivo deste estudo foi analisar o perfil de lesões em praticantes de CrossFit por meio de uma revisão sistemática da literatura. Utilizaram-se as recomendações da Declaração PRISMA para condução da revisão sistemática. A busca foi realizada nas bases de dados CINAHL, SciELO, Science Direct, SCOPUS, LILACS, PEDro, PubMed, SPORTDiscus e Web of Science. Avaliou-se a qualidade metodológica dos estudos, entre os quais dez foram considerados elegíveis. A prevalência de lesões nos praticantes de CrossFit variou de 5 a 73,5%, e a taxa de lesão variou de 1,94 a 3,1 lesões a cada 1.000 horas de treinamento. A região corporal mais acometida por lesões nos estudos selecionados foram os ombros, seguidos pelas costas e joelhos. Em relação aos fatores associados às lesões, destacou-se o tipo de exercício realizado e o tempo de prática de CrossFit. O sexo apresentou associação com a prevalência de lesões, estudos demonstraram que os homens apresentaram maior número de lesões em relação às mulheres. A idade esteve entre os fatores que não estiveram associados às lesões. Conclui-se que os ombros são a região corporal mais comumente acometida entre os praticantes de CrossFit, em indivíduos do sexo masculino e com lesões prévias, muitas vezes obtidas em outras modalidades. Ainda, que o CrossFit pode ser praticado com segurança por indivíduos de 18 a 69 anos.

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Section: Resultsmentioning

confidence: 99%

Section: Body Regions Affected and Type Of Exercisementioning

confidence: 96%

Perfil de lesões em praticantes de CrossFit: revisão sistemática

et al. 2018

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“…Due to some previous reporting of exercise-induced rhabdomyolysis [10,24], the following question was used to investigate incidence of the condition: "Were you in the period you participated in the CrossFit program medically diagnosed with Rhabdomyolysis? "…”

Section: Rhabdomyolysismentioning

confidence: 99%

“…A retrospective cross-sectional study of patients presenting with rhabdomyolysis during a period of 12 months in 2013 and 2014 at two tertiary referral hospitals in Melbourne, Australia, reported that 12 of 34 cases of rhabdomyolysis wereexertional in origin. Of these 12 cases, 5were reported to be caused by CrossFit [24]. Another retrospective cohort study found that of 523 patients presented with injuries associated with CrossFit activities.…”

Section: Exertional Rhabdomyolysismentioning

confidence: 99%

Injuries in Novice Participants during an Eight-Week Start up CrossFit Program—A Prospective Cohort Study

Larsen

Hessner

Ishøi

et al. 2020

Sports

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Background: Previously published studies have reported injury rates ranging from 0.74 to 3.3 per 1000 h of exposure in CrossFit participants. However, the existing body of evidence is mainly based on experienced participants; therefore, the injury incidence and injury rate within novice CrossFit participants remains relatively unknown. The aim of this study wasto investigate the injury incidence and injury rate among novice participants in an eight-week CrossFit program. Methods: This survey-based prospective cohort study included CrossFit Copenhagen’s novice members who began an eight-week, free-of-charge membership period. A questionnaire was distributed at baseline and at eight-week follow-up. Information about exposure was retrieved through the online booking system. Injury incidence, defined as proportion of participants who sustained an injury, and injury rates per 1000 h of exposure were calculated. Results: Among the 168 included participants, a total of 28 injuries (14.9%) were reported. The number of injured participants and total exposure time resulted in an injury rate per 1000 h of exposure of 9.5. Conclusions: Compared to the existing body of evidence, the findings in this study indicate that the risk of injuries is higher among novice participants than among experienced CrossFit participants.

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“…If these enzymes remain elevated, the integrity of the muscle cell is not restored. So, new training session is not recommended, especially for athletes that use strength and power in their sports because CK elevation has been associated with a failure of rhabdomyolysis treatment (Huynh et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Single resistance training session leads to muscle damage without isometric strength decrease

Barquilha¹,

Silvestre²,

Motoyama³

et al. 2018

jhse

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Here we demonstrated that a single resistance exercise session causes muscle damage, delayed onset muscle soreness (DOMS), higher creatine kinase (CK) and lactate dehydrogenase (LDH) activity, and increased IL-6 concentration without changes in muscle strength. Sixteen healthy untrained subjects performed five exercises consisting of three sets of 10 maximum repetitions for each exercise and 1 minute rest period between sets and exercises. Blood samples were taken after 30 minutes, 24, 48 and 72 hours and before exercise. Muscular performance was assessed by maximum isometric strength (MIS) before, 24h, 48h and 72h exercise session. We have concluded that the single resistance exercise session, performed on this study, led to muscle damage and this variable cannot be evaluated through maximal isometric strength. Among those markers, CK was more sensitive to muscle damage. This information might be important for adequate recovery between training sessions.

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Outcomes of exertional rhabdomyolysis following high‐intensity resistance training

Abstract: ER resulting from HIRT appears to have a benign course compared with rhabdomyolysis of other aetiologies in patients with a serum CK greater than 25 000 units/L. Conservative management of ER appears to be adequate, although this requires confirmation in future prospective studies.

Cited by 17 publications

References 22 publications

Perfil de lesões em praticantes de CrossFit: revisão sistemática

Perfil de lesões em praticantes de CrossFit: revisão sistemática

Injuries in Novice Participants during an Eight-Week Start up CrossFit Program—A Prospective Cohort Study

Single resistance training session leads to muscle damage without isometric strength decrease

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