This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': "Test for the tight iliotibial band is - \nSelect and explain. \nA. Ober's test, B. Osber's test, C. Sirru-nand's test, D. Charnley's test", 'role': 'user'}, {'content': "Answer: A \nExplanation: Signs and Tests\n\nAdson's test : for thoracic outlet syndrome\nAllen's test : for testing patency of radial and ulnar arteries\nAlli's test : for CDH\nAnvil test : for testing tenderness of the spine\nApe thumb : for median nerve injury\nApley's grinding test :for a meniscus injury\nApprehension test : for recurrent dislocation of the shoulder\nBarlow's test : for CDH\nBlue sclera : Osteogenesis imperfecta\nBryant's test : for anterior dislocation of the shoulder\nCallways' test : for anterior dislocation of the shoulder\nChovstek's sign : for tetany\nClaw hand : for ulnar nerve injury\nCoin test : for dorso lumbar tuberculosis of spine\nCozen's test : for tennis elbow\nDrawer test : for ACL and PCL injuries\nAnterior : for ACL injury\nPosterior : for ACL injury\nFinkelstein's test : for de Quervain's tenovaginitis\nFoot drop : for common peroneal nerve injury\nFroment's sign : for ulnar nerve injury\nGaenslen's test: for SI joint involvement\nGalleazzi sign : for CDH\nGower's sign : for muscular dystrophy\nHamilton ruler test : for anterior dislocation of the shoulder\nKanavel's sign : for infection in ulnar bursa\nLasegue's test: for disc prolapse\nLachmann test : for ACL injury\nLudloffs sign: for avulsion of lesser trochanter\nMcMurray's test : for meniscus injury\nNagffziger test : for disc prolapse\nOber's test : for tight ilio- tibial band (e.g., in polio)\nO' Donoghue triad: traid of MCL, ACL & medial meniscus injuries occurring together\nOrtolani's test : for CDH\nPivot shift test : for ACL injury\nPoliceman tip : for Erb's palsy\nRunner's knee : Patellar tendinitis\nSulcus sign: for inferior dislocation of the shoulder\nThomas' test : for hip flexion deformity\nTrendelenburg's test: for unstable hip due to any reason (e.g., CDH)\nTinel's sign: for detecting improving nerve injury\nVolkmann's sign : for ischemic contracture of forearm muscles\nWrist drop : for radial nerve injury", 'role': 'assistant'}]