From that time on, you drive the dumbbells up and back at the rear of your complete torso into a rowing motion, then return to starting position. SELF does not supply health-related guidance, prognosis, or treatment. Any info posted on this Site or by this manufacturer will not be meant https://hammerstrengthdumbbells26657.tinyblogging.com/details-fiction-and-back-exercises-with-dumbbells-76914818