I made my own parkour flip in Pivot, may be a bit spaztic and nooby, but have the power to comment and there it is:

http://imgur.com/Nvq7sUx

Your like literally just focusing on 1 part at a time try moving every part/limb in a frame and raise the fps

Ok i can't find a way to say this without being kinda mean but it kinda sucks dude you could improve alot.
You literaly move a body part every 1 frame.
Try finding a tutorial on it or something :P.
Also try moving every joint, Every frame.