热痉挛

热痉挛	rè jìng luán	heat cramps
热	rè	to warm up / to heat up / hot (of weather) / heat / fervent
痉	jìng	spasm
痉挛	jìng luán	to jerk / to contort / spasm / convulsion
挛	luán	(bound form) (of muscles) to cramp; to spasm