Fig. 4From: Metabolic and cardiovascular responses to continuous and intermittent plank exercisesHR and %HRmax during plank exercises, [Mean (Standard error)]. Pre-EXE pre-exercise period; *P < 0.05 in multiple comparison in simple effect of exercise, CPE versus IPE; †P < 0.05 in multiple comparison in simple effect of phase versus reference Pre-EXE valueBack to article page