Table 4.

Microarchitecture parameters of cortical bone in the femur diaphysis evaluated by micro-CT scanning, mean ± SD

Groups	Ct.BMD (g/cm3)	Ct.P (%)	Ct.Th (mm)
SED	1.67 ± 0.03	2.51 ± 0.60	32.40 ± 3.32
EX12	1.71 ± 0.03a,c	2.25 ± 0.45	35.23 ± 2.97a,d
EX16	1.67 ± 0.05	3.17 ± 0.71a,b	34.41 ± 4.48
EX20	1.68 ± 0.03	2.67 ± 0.59	32.40 ± 2.50

Ct.BMD cortical bone mineral density, Ct.P cortical bone porosity, Ct.Th cortical bone thickness. 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)