Originally Posted by theden
I go back and forth on up hill climbs. When I get tired of spinning, I shift up one or two notches for a while and climb standing up. Then I go back to spinning (shifting back down) for a while. Works well to mix muscle usage up a bit.
I like to do this too... there is a whole different feeling in the legs when "mashing."
Mashing builds up those sprint muscles. Of course, spinning allows you to ride all day long...