Exercises I believe one can't do well without , squats and or deadlifts. Even if you have back issues , you figure out how to adjust in order to make them benefit. Back is my initial weak part, I turned into my strong part due to my love of chins , rack deads and bent barbell rows. Love training back, love the pump , love that I can out lift most, I tie 100 pound plate and do ten full reps. I can still remember how it was my worse body part. Weak , discouraging. Never give up and never give in , just train!