Table 3.
Microarchitecture parameters of trabecular bone in the distal femur evaluated by micro-CT, mean ± SD
| Groups | BV/TV (%) | Tb.BMD (g/cm3) | Tb.Th (mm) | Tb.N (1/mm) | Tb.Sp (mm) | SMI |
|---|---|---|---|---|---|---|
| SED | 44.70 ± 6.24 | 0.53 ± 0.06 | 0.14 ± 0.01 | 3.32 ± 0.57 | 0.38 ± 0.10 | 0.69 ± 0.41 |
| EX12 | 53.12 ± 8.09a,c,d | 0.61 ± 0.07a,c,d | 0.16 ± 0.02a,c,d | 3.60 ± 0.40 | 0.30 ± 0.08 | 1.14 ± 0.73 |
| EX16 | 45.89 ± 6.98 | 0.55 ± 0.06 | 0.14 ± 0.01 | 3.37 ± 0.50 | 0.30 ± 0.07a | 0.60 ± 0.39b |
| EX20 | 42.09 ± 7.67 | 0.51 ± 0.06 | 0.12 ± 0.02a,c | 3.42 ± 0.52 | 0.32 ± 0.10 | 0.58 ± 0.50 |
Tb.BMD trabecular bone mineral density, BV/TV bone volume fraction, Tb.Th trabecular thickness, Tb.N trabecular number, Tb.Sp trabecular separation, SMI structure model index, SED sedentary control group, EX12 exercise group with a speed of 12 m/min, EX16 exercise group with a speed of 16 m/min, EX20 exercise group with a speed of 20 m/min
aStatistically different from SED group (p < 0.05)
bStatistically different from EX12 group (p < 0.05)
cStatistically different from EX16 group (p < 0.05)
dStatistically different from EX20 group (p < 0.05)