Table 1.
Mean (SD) characteristics of the four subject groups
| Young trained | Young untrained | Old trained | Old untrained | Group P value | |
|---|---|---|---|---|---|
| Age (years) |
24.2 (3.6)† |
22.1 (3.4)† |
64.5 (5.5)a |
63.8 (3.0)a |
0.001 |
| Height (cm) |
177 (8.6) |
182 (6.5) |
175 (6.8) |
175 (9.3) |
0.786 |
| Mass (kg) |
66.2 (10.0) |
84.5 (10.8) |
71.8 (7.8) |
95.5 (24.8)ab |
0.037 |
| Lean mass and BMC (kg) |
59.3 (6.3) |
66.7 (8.9) |
59.8 (7.4) |
66.1 (6.8) |
0.127 |
| Fat mass (kg) |
6.9 (1.5) |
17.8 (2.1)a |
12 (6.4)a |
29.41 (12.3)abc |
0.001 |
| Body Fat (%) |
10.5 (1.5) |
21.1 (2.1)a |
16.7 (1.8)a |
30.8 (11.5)abc |
0.001 |
| VO2max (ml.kg-1.min-1) | 64 (7.0) | 42 (4.1)a | 47 (8.3)a | 28 (9.8)abc | 0.001 |
adenotes significant difference from young trained; bdenotes significant difference from young untrained; cdenotes a significant difference from old trained. BMC = bone mineral content.