15-Minute Workout: LIFT MORE, LOSE MORE! A study published in Medicine & Science in Sports & Exercise showed that women who lifted a challenging weight for eight reps burned nearly twice as many calories as women who knocked out 15 reps with lighter dumbbells.
Car-di-o here we go!
Workout! This is it @Alex Jones Jones Leichtman Draper we are doing this one for 90 days I started day 1 today. GO!!!