Table 1. Descriptive characteristics of the participants. Data are means (±SD).
| Parameter | 
Women (n = 9) | 
Men (n = 7) | 
Combined (n = 16) | 
| Age (years) | 
63.0 (8.7 ) | 
64.0 ± 6.9 | 
63.4 ± 7.7 | 
| Height (m) | 
1.64 (.04) * | 
1.71 (.04) | 
1.67 (.05) | 
| Weight (kg) | 
60.8 (5.7) * | 
74.6 (14.2) | 
66.8 (12.2) | 
| Resting heart rate (beats/min) | 
71(6) | 
66(6) | 
69(6) | 
| Maximal heart rate (beats/min) | 
166(14) | 
147(23) | 
158(20) | 
| Maximal oxygen uptake (mL/kg/min) | 
27.8 (5.9) | 
30.9 (8.8) | 
29.2 (7.2) | 
| Resting oxygen uptake (mL/kg/min) | 
3.5 (.4) | 
3.7 (.4) | 
3.6 (.4) | 
*denotes sex difference, p < 0.05.