Best Crunch Exercise
Carolyn Kisner PT, MS and Lynn Allen Colby PT, MS wrote an interesting post today on
Here’s a quick excerpt
Crunches on the fitball is now one of my favorite ab exercises. My instructor, Jeff has been training me on this movement one week ago and I start seeing my lower abs toning up. This exercise really helps define abs more than most of …
Read the rest of this great post here
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