Pec press with shoulder press exercise is a combination of two most effective workouts that target your multiple upper body muscles. This particular combination workout works on your shoulder muscles, triceps and upper arms along with putting stress on chest area. Pec press exercise with shoulder press exercise can be done in seated position but the standing version is a good option to include core abs muscles in the workout. Keep your abs tight and spine neutral throughout the move. It will help you I getting maximum benefits of the moves. Choose weights as per your fitness level.