The rotator cuff consists of four small muscles--subscapularis, infraspinatus, teres minor and supraspinatus--located on the back of the shoulder. These small muscles are responsible for joint stabilization, making them susceptible to significant injuries. An injury beyond repair--commonly referred to as rotator cuff arthropathy--involves a massive rotator cuff tear or debilitating arthritis to the cartilage. Someone who suffers a non-repairable rotator cuff injury can use exercises to strengthen and stretch the group of muscles.
Lateral Raises
Lateral dumbbell raises are a common strength-training exercise, and small modifications make it suitable for non-repairable rotator cuff injuries. This exercise is the most effective using a resistance band or lightweight dumbbell weighing less than 5 lbs. As the strength in the rotator cuff and stabilization of the shoulder improve, the weight and resistance can be increased gradually.
To perform a lateral dumbbell raise, start by standing or sitting with your arms at your sides. Holding the dumbbell or resistance band, keep your thumbs pointing toward the ground, causing the shoulders to internally rotate. Lift both arms slightly in front of the body until they reach shoulder level and slowly return to the starting position. Repeat for a total of 10 repetitions and two to three sets.
Door Jamb Stretch
Flexibility exercises for the rotator cuff can prolong the function of the shoulder in everyday activities. People who suffer from non-repairable rotator cuff injuries will commonly have tight chest, shoulder and back muscles. The door jamb chest stretch improves the flexibility of the chest and can improve posture resulting in improved rotator cuff function.
Stand in a doorway and lift your arms until they are parallel with the floor. Bend your elbows to a 90-degree angle and place the forearms against the wall. Slowly lean forward until you feel a stretch in the chest and hold for 30 seconds. Release back to the starting position and repeat for two to three sets.
Isometric External Rotation
Isometric exercises don't require any movement and can be adjusted by the individual based on strength and pain levels. An isometric external rotation exercise improves the strength of the rotator cuff and supporting shoulder muscles. The individual has complete control of the amount of pressure applied to the wall.
For an isometric external rotation exercise, stand perpendicular to a wall with your right arm next to the wall. Bend the right elbow to a 90-degree angle and keep the elbow close to the torso. Press the forearm against the wall as hard as possible, holding for 10 seconds. Gently release the pressure and repeat for 10 repetitions. Switch to the opposite arm and repeat.
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