Table 6. The physical fitness items of the subjects of each genotype.
| ACTN3 polymorphism | ||||
|---|---|---|---|---|
| Total (n=68) | RR (n=12) | RX (n=35) | XX (n=21) | |
| VO2max (ml/kg/min) | 24.6 ± 6.1 | 25.0 ± 4.6 | 25.1 ± 6.9 | 23.6 ± 5.6 |
| Grip strength (kg) | 22.5 ± 3.4 | 23.3 ± 4.6 | 21.9 ± 3.2 | 23.0 ± 2.9 |
| 2 minute walking (times) | 112.1 ± 19.4 | 113.5 ± 14.6 | 113.2 ± 18.9 | 109.4 ± 22.8 |
| Dumbbell curl (times) | 21.3 ± 4.3 | 22.1 ± 4.4 | 20.8 ± 4.4 | 21.7 ± 4.2 |
| Chair stand (times) | 16.4 ± 4.6 | 16.5 ± 6.1 | 16.1 ± 4.2 | 16.7 ± 4.7 |
| Back scratch test (cm) | −2.7 ± 8.2 | 0.5 ± 7.4 | −3.3 ± 8.3 | −3.6 ± 8.2 |
| Chair sit and reach (cm) | 14.2 ± 8.8 | 11.7 ± 11.4 | 16.6 ± 6.7 | 11.8 ± 9.6 |
| Timed up and go (sec) | 5.4 ± 0.8 | 5.4 ± 0.7 | 5.4 ± 0.9 | 5.4 ± 0.7 |
| Balance test (sec) | 36.3 ± 33.1 | 31.7 ± 31.0 | 34.2 ± 28.3 | 42.4 ± 41.5 |
Values are mean ± SD.