Study | N (M/F) | Participants | Duration | Program | Main outcome |
---|---|---|---|---|---|
Barfield and Anderson ( |
25/0 | active | 12 weeks | CrossFit® template program (5 d/w) |
↑ aerobic capacity (6%); muscle endurance (22%) |
Murawska-Cialowicz et al. ( |
15/15 | active | 3 months | 2d/w; 2 mixed WOD every day |
↑lean body mass; Wingate test; VO2max (just women); brain-derived neurotrophic factor ↓ body fat (in women) |
Drake et al. ( |
6/0 | active | 4 weeks | CrossFit® template program (5 d/w) | ↑ inflammatory status ↓ mood state performance no significant changes in strength, endurance, body composition |
Brisebois et al. ( |
4/10 | active | 8 weeks | 3d/w; unique program, mixed training sessions | ↑ VO2max; lean body mass; strength 1 RM (bench press, leg press) |
Crawford et al. ( |
13/12 | untrained | 6 weeks | CrossFit® template program (5 d/w) | ↑ 1 RM back squat, strict press, deadlift; VO2max |
Feito et al. ( |
9/17 | 3+ months experience with CrossFit® |
16 weeks | 2d/w; unique program; 51% strength workouts, 49% metabolic conditioning |
↑ 3 mixed WOD; 5 RM front squat; lean body mass; bone mineral content improvements (greater in women) ↓ body fat |
Kephart et al. ( |
9/3 | 6+ months experience with CrossFit®, on ketodiet |
3 months | not described | ↑ push-up test ↓ body fat no changes in 1 RM back squat, 400m run, VO2peak |
Crawford et al. ( |
13/12 | untrained | 6 weeks | CrossFit® template program (5 d/w) | no relationship between RPE and heart rate variability |
Tibana et al. ( |
0/1 | elite CrossFitter | 6 months | 5d/w competition CrossFit program | acute chronic workload ratio (ACWR): 50% of weeks outside the “safe zone”; no relationship between RPE, heart rate variability, ACWR; no influence on well-being status |
Poderoso et al. ( |
17/12 | 6+ months experience with CrossFit® |
6 months | CrossFit® template program (5 d/w) | elevated testosterone level (greater changes in men); lower cortisol level (greater changes in women); no changes in lymphocytes |
Cosgrove et al. ( |
22/23 | 0-6 and 7+ months experience with CrossFit® |
6 months | CrossFit® template program (5 d/w) | ↑ 1 RM back squat, bench press, deadlift, pull-up test; 1,5 km run (women with less experience) |
Durkalce-Michalski et al. ( |
11/10 | CrossFitters on ketodiet | 4 weeks | not described | ↑ utilization of fat under aerobic load (just men) |