Fig. 2

Experimental Protocol for 2-Minute Intermittent Speed Endurance Training (HV-2). HR, heart rate; Vmax, Maximum speed; “V”O2, oxygen intake; ~, approximate.
Experimental Protocol for 2-Minute Intermittent Speed Endurance Training (HV-2). HR, heart rate; Vmax, Maximum speed; “V”O2, oxygen intake; ~, approximate.