Classic sit ups not bio-mechanicly relevent?

[bobsanchez4321]

@twhite03

Another example, I’m not sure what I think about straight leg ab work anymore but this is a quick way to get reps.

http://www.treyhardee.com/speaker/main/video/id/91-Trey-Hardee/vid/192900-2-Minute-Abs-Wallering-Around

Trey Hardee is a beast.