Fig. 4From: Near-Infrared Spectroscopy measurements are reliable for studying patellar bone hemodynamics and affected by venous occlusion, but not by skin compressiona Activity 1 ‘Prolonged Sitting’ and 4b Activity 2 ‘Stair Descent´. (Note: Absence of the opaque cloth to visualise the set-up, during measurements the sensor was covered)Back to article page