Taylor Ana Kaylee Sports Medicine on Instagram: "Single Leg Stance Test How: Examiner stands next to or behind the patient for support in case they lose balance. Patient places hands on hips, lifts one leg up, leans back putting the trunk into extension, keeping the standing leg straight. Patient repeats on both legs. Positive test: Pain in lumbar spine, or in SI joint. Can be center, both sides or off to one side. Implications: During this test the pars interarticularis are being pulled anterio