Ko te tauroa o te kukutinga o tētahi uaua, me te mamae anō hoki. I ētahi wā, ka takea mai te kokohu i te iti o te konupūmā (Ca), o te tote rānei kei roto i ngā toto, nā te wherū rānei o te uaua, nā te mātao rānei.
The prolonged and painful contraction of a muscle. Cramp can be caused by a low level of calcium (Ca) or salt in the blood, by muscle fatigue, or by cold.