i love doing squats but lately my back problem( flattened disc at L2-L3, herniated disc at L4 and L5 and a cyst sitting on a nerve on L5 in my lower back ) has started making it very painful to squat. i have been trying to fight through the pain but it has gotten to the point of being unbearable. i have already been to the doctor for all this and there is nothing they can do for the pain, so i was wondereing if any of yall had any good replacement excerises for squats besides leg presses and hack squats. thanks for the help