title: Intra-abdominal pressure changes during lumbar traction.
mesh_terms: D000005:Abdomen; D001835:Body Weight; D002404:Catheterization; D006801:Humans; D007866:Leg; D008161:Lumbosacral Region; D009068:Movement; D010388:Pelvis; D011312:Pressure; D013997:Time Factors; D014143:Traction / Q000295:instrumentation; D014636:Valsalva Maneuver