Table 2.
Citrate synthase activity and histological properties of the plantaris muscle. Values are means (±SD).
Control group
(n = 5)
Training group
(n = 12)
Citrate synthase activity (µmol·min
-1
·mg protein
-1
)
.25 (.01)
.30(.03) *
Mean fiber area (µm
2
)
7063 (419)
7195(969)
Number of myonuclei per muscle fiber
2.03 (.14)
2.48 (.40) *
Myonuclear domain (µm
2
)
3489 (350)
2983 (389) *
Number of satellite cells per muscle fiber
.021 (.004)
.032 (.007) *
Percentage of satellite cells (%)
1.03 (.17)
1.27 (.15) *
*Significantly different from control group, P < 0.05. The percentage of satellite cells (%) = [number of satellite cells/(total number of myonuclei and satellite cells)] × 100.