The Shoulders muscles are made up of three major bones

The Shoulders part are made up of three major bones , Clavicle/Scapula/Humerus or the upper portion of arm bone,as well as associated muscles,ligaments and tendons , and joints which are an articulations between the bones of the shoulders , below are a workout program customized for the shoulders muscles :

 

Exercise 1 :

Seated Barbell Military Press x 4 Sets

1. Sit on a Military Press Bench with a bar behind your head and either have a spotter give you the bar (better on the rotator cuff this way) or pick it up yourself carefully with a pronated grip (palms facing forward). Tip: Your grip should be wider than shoulder width and it should create a 90-degree angle between the forearm and the upper arm as the barbell goes down.
2. Once you pick up the barbell with the correct grip length, lift the bar up over your head by locking your arms. Hold at about shoulder level and slightly in front of your head. This is your starting position.
3. Lower the bar down to the collarbone slowly as you inhale.
4. Lift the bar back up to the starting position as you exhale.
5. Repeat the movement 12 times .

 

Exercise 2 :

Side Lateral Raise x 4 Sets

1. Pick a couple of dumbbells and stand with a straight torso and the dumbbells by your side at arms length with the palms of the hand facing you. This will be your starting position.
2. While maintaining the torso in a stationary position (no swinging), lift the dumbbells to your side with a slight bend on the elbow and the hands slightly tilted forward as if pouring water in a glass. Continue to go up until you arms are parallel to the floor. Exhale as you execute this movement and pause for a second at the top.
3. Lower the dumbbells back down slowly to the starting position as you inhale.
4. Repeat the movement 12 times .

 

Exercise 3 :

 Seated Dumbbell Shoulder Press x 4 Sets

1. While holding a dumbbell in each hand, sit on a military press bench or utility bench that has back support. Place the dumbbells upright on top of your thighs.
2. Now raise the dumbbells to shoulder height one at a time using your thighs to help propel them up into position.
3. Make sure to rotate your wrists so that the palms of your hands are facing forward. This is your starting position.
4. Now, exhale and push the dumbbells upward until they touch at the top.
5. Then, after a brief pause at the top contracted position, slowly lower the weights back down to the starting position while inhaling.
6. Repeat the movement 12 times.

 

Exercise 4 :

Reverse Machine Flyes x 4 Sets

1. Adjust the handles so that they are fully to the rear. Make an appropriate weight selection and adjust the seat height so the handles are at shoulder level. Grasp the handles with your hands facing inwards. This will be your starting position.
2. In a semicircular motion, pull your hands out to your side and back, contracting your rear delts.
3. Keep your arms slightly bent throughout the movement, with all of the motion occurring at the shoulder joint.
4. Pause at the rear of the movement, and slowly return the weight to the starting position.
5. Repeat movement 12 times.

 

Exercise 5 :

Seated Bent Over Rear Delt Raise x 4 Sets

1. Place a couple of dumbbells looking forward in front of a flat bench.
2. Sit on the end of the bench with your legs together and the dumbbells behind your calves.
3. Bend at the waist while keeping the back straight in order to pick up the dumbbells. The palms of your hands should be facing each other as you pick them. This will be your starting position.
4. Keeping your torso forward and stationary, and the arms slightly bent at the elbows, lift the dumbbells straight to the side until both arms are parallel to the floor. Exhale as you lift the weights. (Note: avoid swinging the torso or bringing the arms back as opposed to the side.)
5. After a one second contraction at the top, slowly lower the dumbbells back to the starting position.
6. Repeat movement 12 times.

Exercise 6 :

Arnold Dumbbell Press x 4 Sets

1. Sit on an exercise bench with back support and hold two dumbbells in front of you at about upper chest level with your palms facing your body and your elbows bent. Caution : Your arms should be next to your torso. The starting position should look like the contracted portion of a dumbbell curl.
2. Now to perform the movement, raise the dumbbells as you rotate the palms of your hands until they are facing forward.
3. Continue lifting the dumbbells until your arms are extended above you in straight arm position. Breathe out as you perform this portion of the movement.
4. After a second pause at the top, begin to lower the dumbbells to the original position by rotating the palms of your hands towards you. Caution : The left arm will be rotated in a counter clockwise manner while the right one will be rotated clockwise. Breathe in as you perform this portion of the movement.
5. Repeat movement 12 times .

 

Exercise 7 :

Upright Barbell Row x 4 Sets

1. Grasp a barbell with an overhand grip that is slightly less than shoulder width. The bar should be resting on the top of your thighs with your arms extended and a slight bend in your elbows. Your back should also be straight. This will be your starting position.
2. Now exhale and use the sides of your shoulders to lift the bar, raising your elbows up and to the side. Keep the bar close to your body as you raise it. Continue to lift the bar until it nearly touches your chin. Tip: Your elbows should drive the motion, and should always be higher than your forearms. Remember to keep your torso stationary and pause for a second at the top of the movement.
3. Lower the bar back down slowly to the starting position. Inhale as you perform this portion of the movement.
4. Repeat movement 12 times .

 

Shoulders program should be in a single session ,no other muscle should be involved

in the same session .