Table 1.

Age and body composition

	Male		Female
	Pre	Post	Pre	Post
Age, yr	69.4 ± 1.6		70.0 ± 1.7
Body mass index, kg/m2	26.9 ± 1.6	27.1 ± 1.6	27.6 ± 1.3	27.6 ± 1.3
Body mass, kg	80.4 ± 4.2	80.9 ± 4.3	67.7 ± 3.5	67.5 ± 3.6
Fat mass, kg	22.0 ± 2.7	22.3 ± 2.8	28.9 ± 2.3	28.3 ± 2.3
Fat-free mass, kg	56.1 ± 2.1	56.0 ± 2.0	36.8 ± 1.8	36.9 ± 1.7
SL thigh fat-free mass, kg	3.2 ± 0.2	3.2 ± 0.2	2.0 ± 0.1	2.0 ± 0.1
NSL thigh fat-free mass, kg	3.3 ± 0.2	3.3 ± 0.2	2.1 ± 0.2	2.1 ± 0.1

Data are means ± SE for n = 17 volunteers (7 men, 10 women). SL, studied leg; NSL, nonstudied leg. Total and regional body composition were measured by dual-energy X-ray absorptiometry. No training or training × sex interaction effects were noted for any variables.