Table 1.
Study outcomes.
PRE T1 | PRE T2 | PRE T3 | POST T1 | POST T2 | POST T3 | P value for group | P value for time | P value for group by time interaction | PRE effect size T1–T3 | POST effect size T1–T3 | |
---|---|---|---|---|---|---|---|---|---|---|---|
Body weight (kg) | 86.3 ± 17.8 | 85.4 ± 15.5 | 84.7 ± 15.9 | 80.3 ± 9.3 | 79.4 ± 9.1 | 79.6 ± 8.4 | 0.31 | 0.07 | 0.65 | −0.12 | −0.05 |
BM (DEXA) (kg) | 79.9 ± 17.3 | 79.1 ± 14.8 | 78.4 ± 15.3 | 74.1 ± 9.0 | 73.0 ± 8.8 | 73.4 ± 8.1 | 0.32 | 0.09 | 0.52 | −0.11 | −0.05 |
Left arm TM (kg) | 5.3 ± 1.0 | 5.2 ± 0.9 | 5.2 ± 1.2 | 4.6 ± 0.6 | 4.6 ± 0.6 | 4.6 ± 0.5 | 0.08 | 0.57 | 0.97 | −0.08 | −0.05 |
Right arm TM (kg) | 5.4 ± 1.0 | 5.3 ± 0.7 | 5.4 ± 1.0 | 5.0 ± 0.7 | 4.8 ± 0.6 | 5.1 ± 0.7 | 0.20 | 0.18 | 0.53 | −0.01 | 0.10 |
Left leg TM (kg) | 14.4 ± 3.4 | 14.3 ± 2.8 | 14.1 ± 3.1 | 13.4 ± 1.9 | 13.3 ± 1.9 | 13.2 ± 1.8 | 0.39 | 0.45 | 0.96 | −0.08 | −0.08 |
Right leg TM (kg) | 14.8 ± 3.5 | 14.9 ± 3.1 | 14.7 ± 3.3 | 13.7 ± 2.0 | 13.8 ± 2.1 | 13.6 ± 1.9 | 0.34 | 0.67 | 0.93 | −0.01 | −0.06 |
Total FM (DEXA) (kg) | 12.2 ± 9.0 | 11.8 ± 9.3 | 10.9 ± 7.9 | 8.9 ± 3.5 | 8.1 ± 2.8 | 7.9 ± 2.4 | 0.24 | 0.001* | 0.58 | −0.20 | −0.16 |
BF% (DEXA) | 14.1 ± 6.4 | 13.8 ± 7.4 | 12.9 ± 5.9 | 12.0 ± 4.5 | 11.1 ± 3.7 | 10.8 ± 3.2 | 0.34 | 0.002* | 0.66 | −0.23 | −0.24 |
Left arm FM (kg) | 0.6 ± 0.3 | 0.5 ± 0.3 | 0.5 ± 0.4 | 0.5 ± 0.2 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.26 | 0.008* | 0.80 | −0.15 | −0.23 |
Right arm FM (kg) | 0.5 ± 0.3 | 0.5 ± 0.3 | 0.5 ± 0.3 | 0.5 ± 0.2 | 0.4 ± 0.1 | 0.4 ± 0.1 | 0.25 | 0.09 | 0.52 | −0.16 | −0.19 |
Left leg FM (kg) | 2.4 ± 1.8 | 2.2 ± 1.6 | 2.1 ± 1.5 | 1.6 ± 0.7 | 1.5 ± 0.5 | 1.4 ± 0.5 | 0.17 | 0.0005* | 0.42 | −0.23 | −0.12 |
Right leg FM (kg) | 2.5 ± 1.8 | 2.4 ± 1.8 | 2.3 ± 1.7 | 1.7 ± 0.6 | 1.6 ± 0.6 | 1.6 ± 0.4 | 0.16 | 0.02* | 0.85 | −0.15 | −0.11 |
Total LM (DEXA) (kg) | 64.5 ± 8.9 | 64.6 ± 5.5 | 64.8 ± 7.4 | 62.6 ± 8.3 | 65.1 ± 12.2 | 63.0 ± 7.4 | 0.76 | 0.58 | 0.58 | 0.04 | 0.05 |
Left arm LM (kg) | 4.5 ± 0.7 | 4.4 ± 0.7 | 4.5 ± 0.8 | 4.0 ± 0.6 | 3.9 ± 0.6 | 4.0 ± 0.5 | 0.09 | 0.74 | 0.93 | −0.05 | 0.02 |
Right arm LM (kg) | 4.6 ± 0.8 | 4.6 ± 0.5 | 4.6 ± 0.7 | 4.3 ± 0.6 | 4.2 ± 0.6 | 4.4 ± 0.6 | 0.25 | 0.09 | 0.55 | 0.03 | 0.19 |
Left leg LM (kg) | 11.3 ± 1.5 | 11.5 ± 1.1 | 11.4 ± 1.4 | 11.2 ± 1.8 | 11.2 ± 1.9 | 11.2 ± 1.7 | 0.78 | 0.91 | 0.81 | 0.04 | −0.04 |
Right leg LM (kg) | 11.7 ± 1.6 | 11.9 ± 1.3 | 11.8 ± 1.5 | 11.4 ± 1.9 | 11.6 ± 1.9 | 11.4 ± 1.7 | 0.67 | 0.57 | 0.84 | 0.09 | −0.02 |
Biceps T | 41.5 ± 4.9 | 40.9 ± 6.0 | 42.1 ± 6.3 | 36.3 ± 4.1 | 36.7 ± 4.1 | 39.2 ± 5.9 | 0.06 | 0.09 | 0.48 | 0.12 | 0.57 |
Triceps T | 51.5 ± 9.3 | 50.8 ± 9.3 | 51.9 ± 8.8 | 53.5 ± 7.5 | 50.2 ± 8.9 | 54.0 ± 6.5 | 0.74 | 0.23 | 0.61 | 0.05 | 0.06 |
Lateral quad T | 56.6 ± 4.7 | 55.0 ± 5.2 | 54.1 ± 4.7 | 54.9 ± 7.2 | 56.0 ± 7.3 | 53.5 ± 6.1 | 0.76 | 0.19 | 0.69 | −0.40 | −0.23 |
Medial quad T | 65.4 ± 6.7 | 66.9 ± 8.1 | 64.5 ± 11.8 | 67.6 ± 7.6 | 67.9 ± 8.1 | 68.6 ± 7.0 | 0.47 | 0.77 | 0.52 | −0.13 | 0.14 |
Squat 1-RM | 159 ± 22 | 164 ± 23 | 165 ± 23 | 146 ± 28 | 150 ± 25 | 154 ± 21 | 0.23 | 0.003* | 0.73 | 0.24 | 0.30 |
Bench 1-RM | 124 ± 16 | 126 ± 20 | 126 ± 18 | 117 ± 23 | 118 ± 23 | 121 ± 22 | 0.48 | 0.07 | 0.50 | 0.15 | 0.20 |
Notes.
Indicates statistically significant result.
- T1
- Baseline
- T2
- Midpoint
- T3
- Endpoint