Fig. 4.
Effect of training on the activity of a serine palmitoyltransferase, b neutral sphingomyelinase, c acid sphingomyelinase in three types of rat skeletal muscles. Values are means ± SD (n = 8 in each group). The rats were either sedentary (control) or trained on an electrically driven treadmill as described in the methods. b p < 0.01, c p < 0.001 versus the control group. RG, red section of the gastrocnemius; WG, white section of the gastrocnemius