The paddle, which consists of one or two blades joined to a shaft, is also used to steer the vessel via generating a difference in propulsion between the two sides of the watercraft.
In paddling sports such as canoeing and kayaking, the characteristics that are most important include "dynamic balance, core stability, pulling power, speed, endurance, stature, and rhythm".
Sit-in kayaks provide more protection from water and the elements, and are popular for day trips and touring.
This is usually done on whitewater or different degrees of rough water, in order to thrill and excite the raft passengers.
Originating in Hawaii to help navigate the waves, the sport has grown to include flat water lakes, easy rivers, and spring runs.