Table 3: Changes in body composition & performance for subjects participating in a 6-week CrossFit program.
| Control (n = 15) | LCKDa (n = 12) | |||||
| Pre | Post | Chg | Pre | Post | Chg | |
| Body composition | ||||||
| Weight (kg) | 72.44 ± 12.93 | 72.62 ± 12.95 | 0.18 ± 1.30 | 76.63 ± 13.76 | 73.18 ± 12.51 | -3.45 ± 2.18b |
| BMI (kg/m2) | 25.89 ± 2.77 | 25.97 ± 2.89 | 0.07 ± 0.43 | 25.98 ± 2.94 | 24.86 ± 2.6 | -1.13 ± 0.70b |
| % Body fat (%) | 30.85 ± 7.52 | 30.86 ± 7.72 | 0.01 ± 1.21 | 34.0 ± 7.38 | 31.4 ± 9.12 | -2.60 ± 2.14b |
| Fat mass (kg) | 21.59 ± 7.05 | 21.65 ± 7.30 | 0.06 ± 1.12 | 24.9 ± 6.49 | 22.08 ± 7.26 | -2.83 ± 1.77b |
| Lean mass (kg) | 47.87 ± 9.97 | 47.96 ± 9.96 | 0.09 ± 0.84 | 48.64 ± 11.20 | 48.27 ± 11.04 | -0.37 ± 1.27 |
| Power | ||||||
| Vertical jump (cm) | 43.26 ± 14.73 | 44.70 ± 13.36 | 1.44 ± 5.64 | 42.62 ± 11.18 | 45.86 ± 13.33 | 2.22 ± 2.87 |
| Standing long jump (cm) | 210.97 ± 34.98 | 212.71 ± 35.47 | 1.74 ± 8.29 | 209.42 ± 28.65 | 209.63 ± 36.60 | 0.212 ± 10.08 |
| Performance | ||||||
| Total performance (sec.) | 404.00 ± 77.20 | 362.80 ± 43.27 | -41.20 ± 43.17c | 412.00 ± 78.34 | 356.92 ± 56.91 | -55.08 ± 44.29c |
Values are means ± SD; aLow Carbohydrate Ketogenic Diet (LCKD); bSignificant between group difference (P < 0.001); cSignificant within group difference (P < 0.001).