The Best 21 Minute Sculpted Arm Workout - Bis, Tris and Shoulders! Short on time? Get sculpted arms with this 21 minute fat burning workout! Read More Strength Workouts, Upper Body Strength, Beginner Workout, 21 minute, WorkoutsCindy DuVallDecember 9, 201721 minute workout, workout, workouts, calorie burning, fat burn, strength training, resistance, dumbbells, UPPER BODY, triceps, tris, shoulders, biceps, bisComment