SINGLE LEG STANCE TO DIAGNOSE GTPS Gluteal tendinopathy which falls under the nowadays used umbrella term greater trochanteric pain syndrome or GTPS is part of the differential diagnosis in patients with lateral hip pain. Grimaldi et al from 2016 conducted a diagnostic accuracy study on different diagnostic tests that were contrasted to MRI findings indicative of gluteal tendinopathy. The Single leg stance test was the most specific test in the study with a sensitivity of 38% and a specificity o