workout of the day

Thursday 091126

..

Complete as many rounds as possible 20 minutes of:
15 Double-unders
15 GHD Sit-ups
15 Back extensions

Post rounds completed to comments.

Tommy Hackenbruck, CrossFit Level 2 Seminar CrossFit Journal Preview - video [wmv] [mov]

Jason Khalipa and CrossFit Endurance video [wmv] [mov]