Figure 8. Electrocardiograms of two individuals, one sedentary and one an endurance athlete (Standard paper speed 25 mm/sec., large horizontal squares 200 msec., small squares 40 msec.)
Figure 8. Electrocardiograms of two individuals, one sedentary and one an endurance athlete (Standard paper speed 25 mm/sec., large horizontal squares 200 msec., small squares 40 msec.)