Originally Posted by n8tron

Another thing I do occasionally, which might be not the best thing to do, is during acceleration from a stop. Sometimes if I really need extra acceleration I pull up on the straps when the pedal is coming back around... thus pushing down and pull up. I find I can get my speed up very fast doing this, but there also seem to be a bunch of negative side effects. First my motion is alternating, which is probably wasting energy, in fact I'm sure it is because another problem with this technique is that I get tired out very quickly. Also, an annoying side effect is that it will stretch out my straps pretty quickly.