I am not a big fan of legs I try not go as heavy as I used to, I like to do heaps of reps on each of the 4 -5 different exciser's I do as its the most important to gain size muscle and strength. FF:- even if you can't do legs, try to warm your legs on the bike machine fo 10 mins on light that suits you then either warm your legs on the legs extension with 3 sets and then make your way to the smith machine for squats you don't need plates the bar should enough weight for you to get used to, ask Pazz he can help you. PICTURE ABOVE-ugly when people don't have legs and mass upper body. One side kick and your down.