987017.fig.004a
(a)
987017.fig.004b
(b)
987017.fig.004c
(c)
987017.fig.004d
(d)
Figure 4: Effects of exercise protocols performed in different intensities on the complexes I, II, II-III, and IV activities in the quadriceps of young and middle-aged rats. Complexes I (a), II (b), II-III (c), and IV (d) activities are expressed as nmol/min/mg of protein. versus young NE rats, versus middle-aged NE rats, versus young rats at , and versus middle-aged rats at .