In the<unk>   the body is laid flat on the back (supine<unk>  with the feet higher than the head, in contrast to the reverse<unk> , where the body is tilted in the opposite direction. This is a standard<unk>  used in abdominal and gynecological surgery. It allows better access to the pelvic organs as gravity pulls the intestines towards the head.
Trendelenburg position
Valsalva maneuver
Phalen's maneuver
Leopold's maneuvers
Maximum intercuspation
Concussion
Carvallo's maneuver
Diaphragmatic breathing