I was wondering if anybody moves around the saddle (deliberately) on the trainer or on the road to work different muscle groups (not standing, but sitting). For example, if you are doing 2x20s, will you do say, 10 minutes sitting at the back of the saddle, then 10 at the front of the saddle, etc, or do you sit in the exact same position on the saddle the entire time? My bike fit is good, but I did notice that when I do slide back to the rear of the saddle, cadence and power go down. But that could mean also that my hind leg muscles could be weak, idk.

Any insight would be helpful...hopefully I explained it correctly.