The only way to isolate specific back muscles - whether it is upper. or lower back - or make any progress is through the power of the mind-muscle connection.
Lee HaneyTo be physically fit is just a small aspect. You can be a beautiful physical specimen, but you're empty as far as what it takes to be a person, and that shows up real fast
Lee HaneyWhen your goal is to put on muscle mass you must increase your calorie intake as you increase the activity level being given to the muscle
Lee HaneyI've watched a lot of guys through the years, and they hold their breath until they finally win The Big One, thinking then they can exhale and chill out. You have to breathe through life, man. Have fun
Lee Haney