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. 2017 Mar 8;12(3):e0173449. doi: 10.1371/journal.pone.0173449

Fig 1. Fractional shortening and relengthening of isolated cardiomyocytes from rats subjected to acute exhaustive treadmill exercise (black bars) compared to sedentary controls (white bars).

Fig 1

Electrical stimulation frequencies 1 and 3 Hz, n = 5. (a) Fractional shortening in RV; (b) fractional shortening in LV; (c) time to 50% relengthening in RV; (d) time to 50% relengthening in LV; and (e) representative recordings of fractional shortening in RV and LV (stimulated at 1 Hz), from sedentary and exhaustively exercised rats. * p < 0.05, *** p < 0.001.