Ultrasound-Guided Anterior Approach to a Sciatic Nerve Block: Influence of Lower Limb Positioning on the Visibility and Depth of the Sciatic Nerve.
Ha-Jung KimKi-Jinn ChinHyung-Tae KimHwa-Young JangSeong-Il BinYoung-Jin RoWon Uk KohPublished in: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine (2020)
Based on the visibility score and depth from the skin, ER of the hip to 45° with a greater F angle (45° versus 15°) of the hip appears to be the optimal position for an US-guided anterior approach to a sciatic nerve block.