Quads, hamstrings and clipless

[Catrin]

Can moving from platforms to clipless (dual sided - platform/spd) pedals cause quad or hamstring soreness. I've only ridden 60 miles this week on clipless (not counting any riding with non-cleated shoes) and not all at once. However I do have some soreness about mid-thigh on the back.

Of course my trainer also put me on a new leg-press machine this week that has me in a different position. I do a fair amount of weight on leg-presses but to my understanding this does not target my hammies. I could be wrong though... just trying to decide my riding/work schedule for the weekend and how much attention to pay the soreness. Knowing where it is likely from would be helpful.

Added: A little more research has shown that it is possible the new leg-press machine may well be the root of this. He moved me from the main leg-press machine to where the position is close to a normal seated position to a machine with a far more reclined position that has to work different muscle groups - or at least in a different way. This seems to be more likely the issue rather than moving to clipless. I would assume that might impact the calves and quads more?