designed to help correct or ameliorate the discomfort of disorders of the spine and joints: orthopaedic mattresses Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
Definition of Immelmann. : a maneuver in which an airplane reverses direction by executing half of a loop upwards followed by half of a roll âcalled also Immelmann turn.
The Epley maneuver is an exercise intended to reposition the otoconia in the inner ear and get them into a different part of the ear where they will be less likely to cause symptoms. The procedure is also referred to as particle repositioning, canalith repositioning procedure or the modified liberatory maneuver. The exercise consists of four different head positions that are held for approximately 30 seconds each.