Can doing pull ups damage your back?

Any exercise can potentially cause damage if you do not perform it correctly.

 The most important thing you can do to protect your lower back when you are exercising is to draw your lower abdominal muscles in (towards your spine) and up (as if you are trying to slide them under your rib cage) and keep that tight 'girdle effect' while continuing to breathe normally.  It can take a bit of practice not to hold your breath while you're doing this.

To protect your upper back, during pull-ups specifically, you should keep your elbows in - under your wrists and in line with them.  Wrists, elbows and shoulders should all be in alignment.  During both the pull up and lowering phases you should keep this alignment.
What are your top fitness tips and hacks?

My top fitness tips are:Keep your workouts under one hour. It is too easy to make excuses for not having enough time.When weightlifting do not rest too much between sets. Instead, try to make all sets part of a superset - switching exercises within the same muscle group or across different

What will happen to my body when I stop going to the gym?

Here is my experience. The most I quit weightlifting was about two months in 8 years. I do stay in contact with local weightlifters that suddenly stopped for few months.So, I assume you have worked hard for few years. You are fit on the scale. You have working stamina and endurance. You are above average health and

What are some short term benefits of exercise?

In the short term (day, week) range, I'd argue that the biggest benefits of exercise are:Improvements in mood, as exercise has been shown to be a potent anti-depressant.Increased insulin sensitivity of the muscles, which helps control the blood sugar, which in turn helps with weight control and health.More internal