Quote Originally Posted by redrhodie View Post
Pushing the saddle back will change the position of her knee over her pedal.
I am well aware of that, but it will also take the weight off her hands. The ideal KOP postion can vary with the individual. Generally for road riding (not time trialling) a position of 0-2 cm behind the pedal axle is ideal. Being further back is better for hill climbing, being further forward is better for flat time trialling (that is why time trialists will have their knee even in front of the pedal axle).

So, unless her knee is already 2 cm behind the pedal axle, which I doubt it is but of course anything is possible (I did say its hard to do this without seeing her actual position), then I think shifting her weight further back on the bike is the next logical thing to try.