The deadlift is the best weightlifting exercise to strengthen the lower back. There are two types of deadlift exercises: regular deadlift and straight legged deadlift. The regular deadlift is more for bodybuilders who wish to gain muscle mass. The straight legged deadlift is more for the regular weightlifters who wish to abstain from muscle mass while strengthening the lower back. Obtain free weightlifting programs that include good lower back routines that include these valuable exercises.