1869 4 Sept. A swimmer seized with leg-cramp would instinctively throw his head as far back as it would go.
1955 3 July e2/3 (headline) New drug relives leg cramp sufferers.
2010 (Nexis) 27 Oct. (Features section) 38 Nocturnal leg cramps affect 13 million of us a year and are one of the five main factors that cause us to wake in the night.