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Started by BobH, July 18, 2015 · 3 Replies · 225 Views
Is there any difference between an arch up and a hip extension (which I've done lots of in the past)? I'm specifically wondering if we're supposed to be arching more whereas a hip extension is typically done with a straight back. It's not clear from the course video.
Here's a good video describing hip extensions and back extensions.
I have a glute-ham developer so I'll be doing the arch ups on that.
The only difference I see is in the video, he hunched forward at the top. In an arch up he should be extending the upper spine and neck as well. The glute activation cue is good. The back extensions they show are also super similar to curl ups, an exercise no longer in Foundation as far as I can tell. If you've been doing hip extensions like the vid, then just the small tweak of that upper spine will get you to good arch ups 
For our purposes that isn't the greatest video. We call it an arch up for a reason. Body needs to take an arched shape form toes to head.
At the top: Legs straight, full extension at hip (PPT) even extension through spine carrying through to the neck. Body should come as high as possible.
Excellent. That's the description I was looking for. Thanks.