During my latest playthrough of PA, I noticed that if you jump right as an enemy melee's you, the knock-back received can send you flying backwards faster than you could otherwise move. Using this bug/glitch, it is perhaps possible to move around the levels much faster than what could otherwise be done.

Bawn_To_Be_Wild: Yes I have come across this glitch, it potentially can but to get it consistently over the game would be difficult unless more testing can be done where potentially in my theory put the player out of bonds or skip parts of missions maybe. But that is probably a wild theory.