The sciatic nerve is the longest and thickest nerve in the human body, measuring just under 1 inch (2.54 cm) in width, comparative to the diameter of a finger. It runs from the lower spine through the pelvic area and down through the hip and back of the leg.he sciatic nerve is the longest and thickest nerve in the human body, measuring just under 1 inch (2.54 cm) in width, comparative to the diameter of a finger. It runs from the lower spine through the pelvic area and down through the hip and back of the leg.
How many Bars in a Psi. 1 Psi is equal to 0.06894757293168 Bar. The bar is a metric unit of pressure equal to 100000 Pascal (Pa). The bar is also equal to 1x105 N/m2. Psi is known as pound-force per square inch.
Pounds or pound force per square inch (psi, lb/inÂ², pfsi or lbf/inÂ²) is a widely used British and American unit of measure for pressure. 1 psi equals 6,894.76 pascals. In the USA the PSI pressure unit is the pimary unit of measure for pressure and almost all pressure instruments are specified and display in pounds per square inch. The psi is still used extensively in the UK but the bar pressure unit has mostly replaced it as the primary pressure unit.