Table 3.

Capacity and microfiltration properties

0 Hz15 Hz, %Change45 Hz, %Change
Maximum leg capacity, ml/100 ml
    Supine4.7±0.32±22±4
    Upright 35°4.5±0.44±45±4
Pi, mmHg
    Supine24±226±1640±15*
    Upright 35°25±336±2448±12*
Kf, 10−3·ml·100 ml−1·min−1·mmHg−1
    Supine5.9±0.625±192±15
    Upright 35°6.2±0.832±4016±31
  • Values are means ± SE. Pi, isovolumetric pressure; Kf, microvascular filtration coefficient.

  • * P < 0.05 compared with 0 Hz;

  • P < 0.05 compared with supine.