This months free fitness challenge is a wall sit challenge. Do it until you are tired & than just a little bit more. If it burns & you are shaking it means it's working. 1:10 wall sit is in the books. #ktlukefitness #wallsitselfie #wallsits #wallsitmonth #feeltheburn #learntolovetheburn #instafit #summersweatoff #summer2015 #summerfitnesschallenge #instafitness #freefitnesschallenge (at bit.ly/katyshealthandfitness)














