Originally Posted by
spartanKid
Yes I understood that part. You're asking why they're doing leg press over a shorter ROM than say, knees bent at 90 degrees all the way up to legs at full extension, correct? If so, my answer is still the same. Cycling has a relatively short ROM, so they're likely doing leg press with a ROM that allows them to be explosive with heavy weights.
Ok gotcha. Yet I also see leg presses done where they let their legs drop further down (longer ROM, likely beyond the bend that occurs in a pedal stroke). I assume one approach is serves a different purpose than the other, and activates different muscles.