Table 2.
Body composition, muscle strength and sensory motor control in the subjects before and after supplementation with collagen hydrolysate or placebo (Mean values and standard deviations)
Treatment group (n 26) | Placebo group (n 27) | ||||||||
Baseline examination | Final examination | Baseline examination | Final examination | ||||||
Mean | sd | Mean | sd | Mean | sd | Mean | sd | Significance between groups in RM ANOVA testing assessing (treatment×time) interaction (P) | |
Weight (kg) | 88·2† | 12·1 | 87·3 | 11·9 | 83·1 | 14·8 | 82·8 | 14·5 | NS |
Fat-free mass (%) | 64·7† | 4·26 | 70·31*** | 4·8 | 66·8 | 4·77 | 70·4*** | 4·94 | <0·05 |
Fat mass (%) | 31·63† | 4·58 | 25·67*** | 5·22 | 29·5 | 5·53 | 25·4*** | 5·55 | <0·05 |
Bone mass (%) | 3·6† | 0·47 | 4·02*** | 0·59 | 3·81 | 0·61 | 4·18*** | 0·71 | NS |
Fat-free mass (kg) | 56·9† | 6·68 | 61·1*** | 6·88 | 54·9 | 6·96 | 57·8*** | 7·46 | <0·05 |
Fat mass (kg) | 28·1† | 7·09 | 22·7*** | 7·08 | 25·1 | 8·69 | 21·6*** | 8·15 | <0·05 |
Bone mass (kg) | 3·14† | 0·36 | 3·46*** | 0·38 | 3·1 | 0·36 | 3·34*** | 0·43 | NS |
Power (knee extension) (Nm) | 123† | 27·3 | 140*** | 28·3 | 132 | 27 | 139* | 27·4 | <0·05 |
Sensory motor control (mm) | 1205† | 852 | 477*** | 228 | 1374 | 639 | 516*** | 24 | NS |
RM, repeated measurements; mm, length of path on posturometer.
P<0·05 within the group from baseline to final examination; ***P<0·001 within the group from baseline to final examination.† No significant difference at baseline between treatment group and placebo group.