Abstract
BackgroundCrossFit® practitioners commonly track progress by monitoring their ability to complete a variety of standardized benchmark workouts within a typical class setting. However, objective assessment of progress is challenging because normative data does not currently exist for any of these benchmark workouts. Therefore, the purpose of this study was to develop normative values for five common benchmark workouts (i.e., Fran, Grace, Helen, Filthy-50 [F50], and Fight-Gone-Bad [FGB]).MethodsPerformance data from 133,857 male (M) and female (F) profiles located on a publicly available website were collected and sorted by sex (i.e., male [M] and female [F]) and competitive age classification (i.e., teen [T], individual [I], or masters [M]) and screened for errors. Subsequently, 10,000 valid profiles were randomly selected for analysis.ResultsMeans and standard deviations were calculated for each category for Fran (IM 250 ± 106 s; IF 331 ± 181 s; MM 311 ± 138 s; MF 368 ± 138 s; TM 316 ± 136 s; and TF 334 ± 120 s), Grace (IM 180 ± 90 s; IF 213 ± 96 s; MM 213 ± 93 s; MF 238 ± 100 s; TM 228 ± 63 s; and TF 223 ± 69 s), Helen (IM 9.5 ± 1.9 min; IF 11.1 ± 2.4 min; MM 10.2 ± 2.0 min; MF 11.5 ± 2.3 min; TM 9.4 ± 1.6 min; and TF 12.7 ± 1.9 min), F50 (IM 24.4 ± 5.9 min; IF 27.3 ± 6.9 min; MM 26.7 ± 6.1 min; MF 28.2 ± 6.0 min; TM 25.9 ± 7.9 min; and TF 28.3 ± 8.1 min), and FGB (IM 335 ± 65 repetitions; IF 292 ± 62 repetitions; MM 311 ± 59 repetitions; MF 280 ± 54 repetitions; TM 279 ± 44 repetitions; and TF 238 ± 35 repetitions). These values were then used to calculate normative percentile (in deciles) values for each category within each workout. Separate, one-way analyses of variance revealed significant (p < 0.05) differences between categories for each workout.ConclusionsThese normative values can be used to assess proficiency and sport-specific progress, establish realistic training goals, and for standard inclusion/exclusion criteria for future research in CrossFit® practitioners.
Highlights
CrossFit® practitioners commonly track progress by monitoring their ability to complete a variety of standardized benchmark workouts within a typical class setting
Normative values exist for several traditional physiological measures [2], but not for these common benchmark workouts
Though potentially limited to users of the CrossFit® website, the normative values we have presented appear to adequately describe sport-specific ability for five common benchmark workouts
Summary
CrossFit® practitioners commonly track progress by monitoring their ability to complete a variety of standardized benchmark workouts within a typical class setting. Mangine et al Sports Medicine - Open (2018) 4:39 included, the prescribed intensity and volume loads, and whether rest intervals are enforced (e.g., Fight-Gone-Bad [FGB] requires a 1-min rest break between rounds) [1]. Performance during such workouts may be quantified through a variety of strategies. Assessments of individual skills (e.g., rope jumping or climbing, bar and ring muscle-ups, burpees, and box jumps) may provide some insight, but this practice lacks context To this end, common benchmark workouts (i.e., FGB, Fran, Grace, Helen, and Filthy-50 [F50]) may be used to assist practitioners in gauging their ability to perform various movements within the context of a workout. Normative values exist for several traditional physiological measures (e.g., maximal strength, aerobic capacity) [2], but not for these common benchmark workouts
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