Concurrent exercise increases mitochondrial enzyme activity.

<p>Enzyme activities in skeletal muscle before (Pre-exercise) and after 6 weeks of concurrent rehabilitative exercise (Post). A - citrate synthase (CS), B - cytochrome <i>c</i> oxidase (COX) and C – COX/CS ratio. Light bars indicate END>RES group, dark bars indicate RES>END group. *Significant difference from baseline (P<0.05). ***Significant difference from baseline (P<0.001). Bar indicates main effect for time and not exercise group. Mean ± SD.