Different Parts of the Shoulder
Anterior Deltoid
The anterior deltoid originates on the clavicle and inserts onto the deltoid tuberosity of the humerous. The main job of the anterior deltoid is shoulder abduction when the shoulder is externally rotated, but it also assists with transverse flexion but it is not a stong movement for this part of the deltoid.
Middle Deltoid
The middle deltoid originates on the acromion and inserts onto the deltoid tuberosity of the humerous. The purpose of the middle deltoid is shoulder abduction when the shoulder is internally rotated and also assists in shoulder transverse abduction.
Posterior Deltoid
The posterior deltoid originates on the spine of the scapula and inserts onto the deltoid tuberosity of the humerous. The posterior deltoid aids in shoulder extension, external rotation, transverse abduction and also transverse extension.
Rotator Cuff
Another key component of the shoulder is the rotator cuff. This is a place for common injuries to take place due to overuse or underuse. The rotator cuff is made up of four muscles; the teres minor, infraspinatus, supraspinatus, and subscapularis. These four muscles are what aid in all overhead and rotational movements at the shoulder.
Different Shoulder Exercises
Barbell Front Raises
Dumbbell Front Raises
Cable Front Raises
Dumbbell Lateral Raises
Cable Lateral Raises
Cable Rear Delt Reverse Fly
Arnold Presses
Bent-Over Lateral Raises
Military Presses
Barbell Shoulder Press
Dumbbell Shoulder Press
Barbell Upright Rows
Dumbbell Upright Rows
Cable Upright Rows