Action observation of walking/running

I wanted a central place for videos I want to keep watching to try to improve my gait. Similar to the videos I compiled for the hand.  Your PT should already have made this type of stuff available to you. If you have favorites put them in the comments.

Video Gait Analysis, watching feet from the back on a treadmill, then the side
http://www.youtube.com/watch?feature=fvwp&NR=1&v=63TrmSXpH98

Running Analysis of Heel Strike versus Forefoot Strike (Same runner, 2 weeks apart) 
http://www.youtube.com/watch?NR=1&feature=endscreen&v=XrOgDCZ4GUo

Best running technique ever! (Dibaba's 10K world record) 
http://www.youtube.com/watch?v=Pd1QvXJS9m4&feature=endscreen

Running Muscles
http://www.youtube.com/watch?v=rflLmtUWnrA&feature=fvwp


Good Form Running 
http://www.youtube.com/watch?v=Tx6x2cD6Y8Q&feature=related


Phases/Planes of Gait 
http://www.youtube.com/watch?NR=1&feature=endscreen&v=_xq47GRr4Ss

 Animation Reference - Female Standard Walk - Grid Overlay 
http://www.youtube.com/watch?feature=endscreen&NR=1&v=G8Veye-N0A4


Animation Reference - Athletic Male Standard Walk
http://www.youtube.com/watch?feature=endscreen&NR=1&v=vq9A5FD8G5w


Walk Cycles Compilation - beginning animators, fun
http://www.youtube.com/watch?feature=endscreen&NR=1&v=k86w0zlzY54

Walk Cycle Reference 2
 http://www.youtube.com/watch?NR=1&feature=endscreen&v=gNFttT5_Fjk


3D Realystic walk cycle
http://www.youtube.com/watch?v=d1-oktjC03M&feature=related


Animation Run Cycle - Extended Version
http://www.youtube.com/watch?v=2nUjWctMld4&feature=endscreen&NR=1

The Gait Cycle: A Breakdown of each Component
http://www.youtube.com/watch?v=5j4YRHf6Iyo

What not to watch;

Hemiplegic Gait
 http://www.youtube.com/watch?v=ER1QHq4bvbQ&feature=related


Spastic gait in stroke patient 
http://www.youtube.com/watch?v=Ice5bTjV6jw&feature=endscreen