“14 Days to HIIT Your Goal” S:1 E:9 24 min Upper Body Workout with Weights

S:1 E:9 24 min Upper Body Workout with Weights This 24 min upper body resistance training routine will help you build strength in your arms, shoulders, back, and core. You’ll need a light set of dumbbells (5-10 lb). The last 2 reps of each exercise should feel challenging.