Fig. 2

a PTT and PEP measured from one subject during (squat) and after (recovery) static squatting exercise. PTT is indicated in a blue dash-dot line, and PEP is indicated in an orange solid line. b Reference PP from Finometer (black dashed line), PTT-based estimated PP (red dash-dot line), and estimated PP using the proposed method (blue solid line). PP pulse pressure, PTT pulse transit time, PEP pre-ejection period