| http://www.dualFIT.com - DualFIT expert trainer Steve Pfiester performs a 4 step HIIT workout routine for beginners, but advanced HIITers can also learn from this, as it can be modified to match your physical ability!
Steve and Bonnie Pfiester's sites: 
http://www.pfitpfun.com 
http://www.dobcx.com Added:
        
        4556 days  ago by
        
        dualfitdotcom
         
 
 
 
 
 
            
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