3. Overhead Shoulder Press Hold a dumbbell in each hand just above the shoulders, palms facing in. Straighten the arms above you. Bend the elbows coming back to the starting position to complete one rep. Do as many reps as you can in 40 seconds, then rest for 1:20 before starting back on your cardio machine. Image Source: POPSUGAR Studios NEXT GALLERY No Gym Membership, No Problem: These Space-Saving Workout Essentials Have You Covered by Annalise Mantz