Table 1.

Physiological variables before and during heating protocol at ~42°C

Preheating42°C Water
Popliteal Artery
Diameter, mm
    Heated leg5.76 ± 0.225.78 ± 0.27
    Nonheated leg5.79 ± 0.165.78 ± 0.20
Velocity, cm/s
    Heated leg7.45 ± 0.9914.35 ± 1.82*
    Nonheated leg7.76 ± 1.025.60 ± 0.89*
Blood flow, ml/min
    Heated leg123.3 ± 19.3224.2 ± 33.8*
    Nonheated leg128.3 ± 20.286.2 ± 11.5*
Shear rate, s−1
    Heated leg47.64 ± 5.40104.32 ± 15.53*
    Nonheated leg49.68 ± 5.5440.11 ± 7.46*
Hemodynamics
Heart rate, beats/min70 ± 271 ± 3
Systolic BP, mmHg120 ± 3118 ± 3
Diastolic BP, mmHg66 ± 268 ± 2
Mean BP, mmHg84 ± 284 ± 2
  • Values are means ± SE. Preheating, before heating protocol. BP, blood pressure.

  • * P < 0.05 vs. preheating.

  • P < 0.05 vs. nonheated leg.