Physical and Physiological Predictors of FRAN CrossFit ® WOD Athlete’s Performance

Luis Leitão, Marcelo Dias, Yuri Campos, João Guilherme Vieira, Leandro Sant’Ana, Luiz Guilherme Telles, Carlos Tavares, Mauro Mazini, Jefferson Novaes and Jeferson Vianna
Additional contact information
Luis Leitão: Sciences and Technology Department, Superior School of Education of Polytechnic Institute of Setubal, 2910-761 Setúbal, Portugal
Marcelo Dias: Post Graduate Program in Physical Education, Federal University of Juiz de Fora, São Pedro 36036-900, Brazil
Yuri Campos: Post Graduate Program in Physical Education, Federal University of Juiz de Fora, São Pedro 36036-900, Brazil
João Guilherme Vieira: Post Graduate Program in Physical Education, Federal University of Juiz de Fora, São Pedro 36036-900, Brazil
Leandro Sant’Ana: Post Graduate Program in Physical Education, Federal University of Juiz de Fora, São Pedro 36036-900, Brazil
Luiz Guilherme Telles: School of Sports and Physical Education, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
Carlos Tavares: Graduate Program of Physical Education of Sudamerica Faculty, Cataguases 36774-552, Brazil
Mauro Mazini: Graduate Program of Physical Education of Sudamerica Faculty, Cataguases 36774-552, Brazil
Jefferson Novaes: School of Sports and Physical Education, Federal University of Rio de Janeiro, Rio de Janeiro 21941-901, Brazil
Jeferson Vianna: Post Graduate Program in Physical Education, Federal University of Juiz de Fora, São Pedro 36036-900, Brazil

IJERPH, 2021, vol. 18, issue 8, 1-9

Abstract: CrossFit ® training is one of the fastest-growing fitness activities in the world due to its varied functional movement and competition experience. The performance is present in almost every workout of the day (WOD); however, there is a lack of knowledge in the science that did not allow us to fully understand the performance determinants of CrossFit WOD’s like we do for other individual or team sports. The purpose of this study was to analyze the physical and physiological variables of recreational trained CrossFit athletes during one of the most famous WOD, FRAN, and to identify which variables best determine performance. Methods: Fifteen CrossFit practitioners performed, alone on separate days, 1RM and a maximum of repetitions of pull-ups test, 1RM and a maximum of repetitions of thrusters with 95 lb/43.2 kg, FRAN CrossFit WOD, and 2K Row test. Results: Blood lactate concentrate, HR max , HR av , and RPE achieved higher values for 2K Row and maximum repetitions of thrusters. Maximum repetition of thrusters and pull-ups, 1RM of thrusters, and 2K Row resulted in moderate to strong correlation with FRAN performance ( r = ?0.78; r = ?0.58; r = ?0.67; r = 0.63, respectively). Conclusions and practical applications: FRAN performance was strongly related to maximal and endurance strength training of thrusters, which should be prioritized.

Keywords: high-intensity functional training; strength endurance; maximal strength; blood lactate; VO 2max; RPE (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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