some gym exercises inner and outer chest and back muscles

Some Gym Exercises uses explained for Inner and Outer Chest and the Back muscles.

For Back the lateral pull down works your back muscles very well. Using the lateral pull down will tone up your back and give you definition in your back. Keep in mind, the lateral pull down also works your biceps a little.

For the Inner Chest Muscles use the Incline Press: Using the incline press machine will work the inside muscles of your chest. The result of this will be a firmer chest and also a bit of enhanced decollete.

For the Outer Chest Muscles use the Bench Press: Using the bench press will work the outside of your chest creating a toner look on the side of your body and of course, a
stronger chest. Your muscles also get pushed in a bit which will also enhance your decollete somewhat.