The Ober Test is used to test for iliotibial band syndrome (Tight ITB) or for tensor fascia latae TFL contraction or inflammation.
Exercises for IT band syndrome
Iliotibial band syndrome - Wikipedia
iliotibial-band-itb-syndrome-pathogenesis-and-clinical-findings
Ober's Test
Tests for Iliotibial Band Length
Iliotibial Band Syndrome (“Runner's Knee”)
Ober Test Overview Iliotibial Band Tightness
Special Tests for Hip Exam- Sports Medicine Review
Ober's Test, Iliotibial Band Tightness