1653b3db_vs_Land_Therapy___AQUA4BALANCE__Land
[Water] Each move is concentric and eccentric, because of the absence of gravity you have to work to bring your arm down, otherwise it will float. [Land] 
Movements are concentric, but gravity lowers the limb down, so muscles are working in one direction.
Aquatic Therapy vs Land Therapy - AQUA4BALANCE
Land