Hi Possibly my first presentation of Quadratus Femoris apart from the other ones that I have missed …… Clinical Presentation 51 year old male commercial painter with 2/7 Hx of pain. Not sure about cause of onset but had been painting a residential home (ladders, squatting, awkward positions) , plus moving around furniture day prior. Went to bed okay, slight sore in AM that increased as day progressed. Pain developed slowly and was described as a strong ache in R lumbar, lateral buttock with radiation to lateral thigh and hadn’t gone in the past 2/7. No PNN sensations. Over 24 Hr supine was fine, sidelying either side increased pain, walking was fine, but sit to stand or sitting increased painHad tried...