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hayabusa9x9
!!j2MPZsydUjU
15 push-up/sit-up might not do anything for you. You should base what you do on the amount of effort you need and the results you want/get, not a set number of repetitions.
Also, behind the neck type pull-downs are shit. People tend to push their heads forward and with the spine forward the muscle movement is all screwy and it stresses the shoulder joint. Plus there really no practical application where you'd pull something down behind your head.
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