Ethan01 said:no...theres no reason to hold onto a weight that you cant do anymore, you might get injured that way. If you cant do 1 more rep you have gone to failure and thats plenty enough to get your muscles growing
dswithers said:It might leave you a little sore the next day, but in the long run it will only make you stronger, healthier and more flexable if you are doing the movements correctly.