-- Last Updated: Mar-16-13 11:41 PM EST --
When kayaking strokes are done properly, efficiently,
the person is leaning forward, using those foot pegs.
Legs are pumping, knees are moving up/down up/down.
Leaning way back in a seat "usually" results in arm paddling,
versus the torso rotation with abdominal muscle usage.
Thigh support comes into play when waves and current interact
with the boat, i.e. bracing, control, maneuvering