Skip to main content

Advertisement

Table 2 Change in postural stability, bone mineral density, body weight and composition after a brisk walking intervention

From: The effect of brisk walking on postural stability, bone mineral density, body weight and composition in women over 50 years with a sedentary occupation: a randomized controlled trial

  Intervention group N = 58 %∆ Control group N = 46 %∆ F (1, 102) P-value
  Baseline Week 10 Baseline Week 10
Postural stability
 VEO, mm/s 11.4 ± 3.2 10.5 ± 2.9 –0.9* –7.9 % 11.6 ± 2.6 11.5 ± 2.7 –0.1 –0.9 % 2.73 0.102
 VEC, mm/s 14.4 ± 4.9 14.1 ± 5.6** –0.3 –2.1 % 14.9 ± 4.3 18.2 ± 8.9 3.3* 18.1 % 6.79 0.011
 VxEO, mm/s 5.2 ± 1.8 4.6 ± 2.1 –0.6 –11.5 % 4.6 ± 1.5 4.7 ± 2.0 0.1 2.1 % 3.32 0.071
 VxEC, mm/s 6.5 ± 2.9 6.4 ± 4.3 –0.1 –1.5 % 5.8 ± 2.7 8.3 ± 6.3 2.5* 30.1 % 4.61 0.034
 VyEO, mm/s 9.0 ± 2.7 8.4 ± 2.3 –0.6 –6.7 % 9.6 ± 2.5 9.4 ± 2.3 –0.2 –2.1 % 1.07 0.303
 VyEC, mm/s 11.4 ± 4.0 11.0 ± 3.7** –0.4 –3.5 % 12.4 ± 3.7 14.1 ± 5.7 1.7* 12.1 % 7.41 0.008
Bone mineral density
 Right forearm, g/cm 2 0.418 ± 0.074 0.416 ± 0.072 –0.002 –0.5 % 0.390 ± 0.070 0.389 ± 0.069 –0.001 –0.3 % 0.02 0.883
 Left forearm, g/cm 2 0.392 ± 0.068 0.387 ± 0.063 –0.005 –1.3 % 0.373 ± 0.066 0.366 ± 0.068 –0.007 –1.9 % 0.10 0.759
 Right calcaneus, g/cm 2 0.494 ± 0.108 0.497 ± 0.108 0.003 0.6 % 0.527 ± 0.110 0.518 ± 0.104 –0.009 –1.7 % 6.16 0.015
 Left calcaneus, g/cm 2 0.496 ± 0.103 0.507 ± 0.107 0.011 2.2 % 0.512 ± 0.099 0.516 ± 0.096 0.004 0.8 % 1.08 0.302
Body weight and composition
 Body weight, kg 69.9 ± 13.0 69.4 ± 12.5 –0.5 –0.7 % 74.3 ± 15.4 73.9 ± 15.1 –0.4 –0.5 % 0.37 0.543
 Fat mass, kg 24.5 ± 9.3 23.7 ± 8.6 –0.8* –3.3 % 27.7 ± 11.5 27.0 ± 11.1 –0.7* –2.6 % 0.19 0.656
 Fat mass, % 34.0 ± 7.1 33.2 ± 6.7 –0.8* –2.4 % 35.9 ± 8.1 35.2 ± 7.9 –0.7* –2.0 % 0.03 0.859
 Visceral fat area, cm 2 109.7 ± 35.6 105.2 ± 32.8 –4.5* –4.1 % 120.4 ± 40.5 116.6 ± 39.6 –3.8* –3.3 % 0.36 0.553
 Lean body mass, upper limbs, kg 4.6 ± 0.8 4.6 ± 0.8 0.0 0 % 4.9 ± 0.8 4.9 ± 0.8 0.0 0 % 1.47 0.229
 Lean body mass, trunk, kg 20.3 ± 2.6 20.2 ± 2.5 –0.1 –0.5 % 21.0 ± 2.4 21.0 ± 2.4 0.0 0 % 1.61 0.207
 Lean body mass, lower limbs, kg 13.9 ± 1.8 14.0 ± 1.8 0.1* 0.7 % 14.2 ± 1.9 14.4 ± 2.0 0.2 1.4 % 0.01 0.965
  1. All values are the means ± SDs
  2. V mean total COP velocity, Vx mean COP velocity in the medial-lateral direction, Vy mean COP velocity in the anterior-posterior direction, EO eyes opened, EC eyes closed
  3. ∆ difference between week 10 and baseline
  4. %∆ percentage difference between week 10 and baseline
  5. *P < 0.01, effect of intervention; LSD post-hoc test after two-way repeated measures ANOVA
  6. **P < 0.01 difference between intervention and control group; LSD post-hoc test after two-way repeated measures ANOVA