Predicting CrossFit Open Performance of Beginner Male Athletes Based on Local Muscle Strength and Endurance
Poster Presentation
Paper ID : 1353-SSRC
Authors
َArash Khorshidian1 , Hasti Sherizadeh1 , Javad Nemati 2 , Seyedeh Sowgand Nasabeh Asl1 , Farhad Daryanoosh2 , Maryam Koushkie Jahromi2
1ندارد
2عضو هیات علمی بخش علوم ورزشی دانشگاه شیراز
Abstract
Objectives: Predicting the performance of athletes in competitions to help them focus on the most related fitness performance parameters in CrossFit Open (CFO) is important, as athletes require a variety of skills and fitness abilities to perform well. Accomplishment of ''workout of the day'' (WOD) loads and intensities is difficult for the beginner athletes, as they do not have well-developed movement skills. Therefore, beginner CrossFit athletes are required to use scaled versions of CrossFit Open. This study aimed to predict beginner male athletes’ performance in CrossFit Open 2020 with parameters of local muscle strength and endurance.
Methods: 17 beginner male athletes (CrossFit experience: 11.76 ± 4.83 months, Age: 27.24 ± 5.54) completed tests for upper and lower body maximum and relative muscle strength (overhead press and back squat), upper and core body muscular endurance (push-up and sit-up) in three separate days, which were compared with CrossFit Open 2020 performance. Pearson correlation coefficients and stepwise multiple linear regression tests were used for statistical analysis.
Results: The best single-factor predictor was 1-repetition maximum (1RM) back squat which explained 64% of the performance variance in CrossFit Open 2020 (r=0.64; P<0.001). Combining 1RM back squat and sit-up explained 77% of the performance variance in CrossFit Open 2020 (r=0.77; P<0.001). The relative overhead press is the best predictor of performance in WODs 20.1 (r=0.52; P=0.001) and 20.5 (r=0.40; P=0.004) but not all WODs.
Conclusion: Maximum lower body strength, relative upper body strength, and core body muscular endurance are important in the improvement of athletes’ performance in CrossFit Open.
Methods: 17 beginner male athletes (CrossFit experience: 11.76 ± 4.83 months, Age: 27.24 ± 5.54) completed tests for upper and lower body maximum and relative muscle strength (overhead press and back squat), upper and core body muscular endurance (push-up and sit-up) in three separate days, which were compared with CrossFit Open 2020 performance. Pearson correlation coefficients and stepwise multiple linear regression tests were used for statistical analysis.
Results: The best single-factor predictor was 1-repetition maximum (1RM) back squat which explained 64% of the performance variance in CrossFit Open 2020 (r=0.64; P<0.001). Combining 1RM back squat and sit-up explained 77% of the performance variance in CrossFit Open 2020 (r=0.77; P<0.001). The relative overhead press is the best predictor of performance in WODs 20.1 (r=0.52; P=0.001) and 20.5 (r=0.40; P=0.004) but not all WODs.
Conclusion: Maximum lower body strength, relative upper body strength, and core body muscular endurance are important in the improvement of athletes’ performance in CrossFit Open.
Keywords