Site na usoro ọgwụgwọ anụ ahụ n'okpuru mmiri ( water treadmill ), a na-ejikọta ogologo oge mgbatị ahụ na nkwụsi ike nke mmiri.Nke a na-ebute ntachi obi obi ka ukwuu, nke n'aka nke ya na-akwalite ume anụ ahụ nke onye ọrịa na ala. Enwere ike iji ya na ụlọ ọgwụ, klọb ahụike, ụlọ oriri na ọṅụṅụ, ụlọ, na ụgbọ elu nkeonwe.