(law enforcement, automotive) A technique in which a pursuing car bumps the rear fender of a pursued car, causing it to spin out, in order to terminate a car chase.

Alternative form of Valsalva manoeuvre

Synonym of wiggle room

A maneuver used to treat benign paroxysmal positional vertigo of the posterior or anterior semicircular canals, by moving the patient's head into various positions for certain lengths of time.

plural of anti-G straining maneuver

(emergency medicine) A first aid procedure used to treat choking. The patient's diaphragm is pressured by the performer's thumb knuckle to expel air and thereby dislodging the obstruction in the windpipe.

(aviation, space flight) An anti-G technique to increase G-tolerance and reduce G-LOC incidences, that has been described as like straining on the toilet while constipated. The technique has taught in training as visualizing a walnut held between one's buttcheeks, and then trying to crush it.