http://www.acefitness.org/certifiednewsarticle/1443/p90x-insanity-and-rushfit-a-side-by-side/
Bottom line ... don't do Insanity.
Seriously, though, an interesting and scientific analysis of all three DVD workout programmes. This is the first time I have come across a detailed and analytic comparison, instead of "testimonials" like "I did XXX and it kicked my butt ... I'm in the best shape of my life ... this stuff really works!"
Bottom line ... don't do Insanity.
Seriously, though, an interesting and scientific analysis of all three DVD workout programmes. This is the first time I have come across a detailed and analytic comparison, instead of "testimonials" like "I did XXX and it kicked my butt ... I'm in the best shape of my life ... this stuff really works!"