Table 1.
Subject characteristics
| Age, yr | Height, cm | Body Weight, kg | BMI, kg/m2 | 1RM, kg | 1RM/Body Weight | Quadriceps Muscle CSA, mm2 | |
|---|---|---|---|---|---|---|---|
| Young (n = 11) | 27±1 | 171±3 | 71.9±4.7 | 25±1 | 93±9* | 1.3±0.1* | 6,814±488* |
| Old (n = 26) | 65±1* | 171±2 | 84.0±2.5* | 29±1 | 68±5 | 0.8±0.1 | 5,684±460 |
| YM (n = 6) | 27±2 | 176±3 | 82.9±4.9 | 27±2 | 113±5 | 1.4±0.1 | 8,030±396 |
| OM (n = 16) | 65±1 | 179±1 | 89.4±2.6 | 28±1 | 85±3 | 1.0±0.1 | 6,713±223 |
| YW (n = 5) | 29±1 | 164±3 | 58.8±2.8 | 22±1† | 62±5 | 1.1±0.1 | 5,355±316 |
| OW (n = 10) | 66±2 | 160±4 | 75.2±3.4 | 30±1 | 40±2 | 0.5±0.1 | 4,038±156 |
Data are expressed as means ± SE; n = no of subjects. 1RM, one-repetition maximum; BMI, body mass index; CSA, cross-sectional area; YM, young men; OM, old men; YW, young women; OW, old women.
*
P < 0.05, Young vs. Old.
†
P < 0.05, YW different from OM and OW.