Slim Down All ; Perform this fast workout two or three times a week: Complete 10 to 15 reps of each exercise, moving from one to the next with little (30 seconds) to no rest in between. Do two or three sets total. (Women's Health Magazine)
15-minute arm workout #1 Hold a dumbbell in each hand and stand with your feet shoulder-width apart, arms at your sides, palms in (a). With arms straight but not locked, raise the weights diagonally in front of you, so that your arms form a V shape, until your arms are parallel to the floor (b). Hold for one second, then return to the starting position. Do 12 to 15 reps.