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Absolute flow changes (Δ) normalized by limb volumes under sustained increases in tank suction (−25, −50, −75, and −100 mmHg) in the brachial and femoral arteries. Leg flow and conductance when normalized by limb volume was lower at every tank suction level compared with the arm (A and B). Baseline, baseline levels at ambient pressure where Δ = 0; • and solid line, arm; ○ and dashed line, leg. **Significant main effect difference between arm and leg.
