. | Good swimmers . | Poor swimmers . |
---|---|---|
Absolute Ucrit (cm s−1) | 123±5 | 89±10* |
Relative Ucrit (BL s−1) | 2.93±0.12 | 2.14±0.25* |
IMR (μmol O2 min−1 kg−1) | 35±1 | 37±4 |
AMR (μmol O2 min−1 kg−1) | 181±11 | 147±12* |
Aerobic scope (μmol O2 min−1kg−1) | 145±11 | 110±12* |
Q̇max (ml min−1 kg−1) | 68.0±5.2 | 47.3±4.7* |
fHmax (beats min−1) | 98±1 | 92±5 |
VSmax (ml) | 0.77±0.09 | 0.66±0.09 |
Rsys,min (kPa ml−1 min−1kg−1) | 0.064±0.005 | 0.087±0.006* |
Cao2 (μmol ml−1) | 5.81±0.38 | 5.36±0.60 |
Ṫo2max (μmol O2 min−1 kg−1) | 387±88 | 238±83* |
. | Good swimmers . | Poor swimmers . |
---|---|---|
Absolute Ucrit (cm s−1) | 123±5 | 89±10* |
Relative Ucrit (BL s−1) | 2.93±0.12 | 2.14±0.25* |
IMR (μmol O2 min−1 kg−1) | 35±1 | 37±4 |
AMR (μmol O2 min−1 kg−1) | 181±11 | 147±12* |
Aerobic scope (μmol O2 min−1kg−1) | 145±11 | 110±12* |
Q̇max (ml min−1 kg−1) | 68.0±5.2 | 47.3±4.7* |
fHmax (beats min−1) | 98±1 | 92±5 |
VSmax (ml) | 0.77±0.09 | 0.66±0.09 |
Rsys,min (kPa ml−1 min−1kg−1) | 0.064±0.005 | 0.087±0.006* |
Cao2 (μmol ml−1) | 5.81±0.38 | 5.36±0.60 |
Ṫo2max (μmol O2 min−1 kg−1) | 387±88 | 238±83* |
The subscripts `max' or `min' denote the maximum or minimum values(respectively) for the variable measured during the Ucritswim test (see text for details).
Values are mean ± s.e.m., N=6 in all cases.
Significant difference between groups (Student's t-test; P<0.05).