Proper execution is not followed.
Speaking of correct exercise execution, you really won’t gain those muscles if you have bad form. No matter what you do, all your time in the gym will be in vain if you fail to correct this problem. You have to lift weights in the correct manner because it will not just get you ripped – it is also for your safety. As a beginner, this is the first thing that you must practice. Proper form is imperative.