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Change in cross-sectional pinching (a) and area (b) along the normalized length of the FPA for a representative subject in the standing, walking, sitting and gardening postures. PF, profunda femoris artery; AH, adductor hiatus; TPT, tibioperoneal trunk. Note increase in cross-sectional pinching with more acute limb flexion occurring primarily around and distal to the AH where the artery also experiences severe bending. (Online version in colour.)
