Figure 2From: The effect of different lumbar belt designs on the lumbopelvic rhythm in healthy subjects The FSR pressure sensor allowing to standardize the tension of the lumbar belts. To homogenize the pressure applied on the sensor, the 4.0 × 4.0 cm sensor was supported with a semi-rigid plastic sheet and covered with a Styrofoam layer (total thickness of the three layers: 2 mm).Back to article page