What Are The 4 Rotator Cuff Muscles And What Motions Does Each Do?

Share on Pinterest Four muscles make up the rotator cuff: the subscapularis, teres minor, supraspinatus, and infraspinatus. Together they assist in stabilizing the shoulder joint as well as

in performing various arm movements

. Four muscles and their attached tendons make up the rotator cuff.

What movements do the rotator cuff muscles perform?

During arm movements, the rotator muscles contract and prevent the sliding of the head of the humerus, allowing full range of motion and providing stability. Additionally, rotator cuff muscles help in the mobility of the shoulder joint by facilitating

abduction, medial rotation, and lateral rotation

.

What does each rotator cuff muscle do?

Each rotator cuff muscle performs a specific and important function for your shoulder joint:

Stabilizing the head of the humerus in the shoulder joint

: The supraspinatus

What are the 6 rotator cuff muscles?

There are six muscles in this group –

the deltoid, teres major

, and the four rotator cuff muscles (supraspinatus, infraspinatus, subscapularis and teres minor). The deltoid muscle is shaped like an inverted triangle. It can be divided into an anterior, middle and posterior part.

What are the 5 rotator cuff muscles?

• deltoid.
• rotator cuff. supraspinatus. infraspinatus. teres minor. subscapularis.
• teres major.

What happens if a torn rotator cuff goes untreated?

If left untreated, a rotator cuff tear

can severely restrict function and range of motion

. The tears can also increase over time. This may cause partial rotator cuff tears to progress to total tears.

How do you tell if rotator cuff is torn or strained?

1. Pain at rest and at night, particularly if lying on the affected shoulder.
2. Pain when lifting and lowering your arm or with specific movements.
3. Weakness when lifting or rotating your arm.
4. Crepitus or crackling sensation when moving your shoulder in certain positions.

How can I make my rotator cuff heal faster?

1. Take nutritional supplements. Some experts advocate taking nutritional supplements to help a rotator cuff tear heal. …
2. Stop smoking. If you have surgery for your rotator cuff tear, then you should stop smoking. …
3. Change your sleeping position.

What exercises are bad for rotator cuff?

• Throwing a ball in an overhead fashion, particularly heavy balls.
• Avoid swimming, in particular, the strokes that involve an overhand motion.
• Lifting weights that place stress on the shoulder and rotator cuff.

What is the best exercise for rotator cuff injury?

• Standing Row. A simple exercise to help strengthen your rotator cuff muscles is the standing row. …
• Internal Rotation. …
• Crossover Arm Stretch. …
• Posterior Stretch. …
• Pendulum swing. …
• Chest Exercises. …
• Dip Movements. …
• Other Shoulder Exercises.

How do you relieve rotator cuff pain at night?

1. Sit in a reclined position. You may find sleeping in a reclined position more comfortable than lying flat on your back. …
2. Lie flat on your back with your injured arm propped up with a pillow. Using a pillow may help reduce stress and pressure on your injured side.
3. Lie on your uninjured side.

How do you relax your rotator cuff?

Relax your shoulders and

gently pull one arm across your chest

as far as possible while holding at your upper arm. You will feel the posterior deltoid muscle stretch at the back of your shoulder. Hold the stretch for around half a minute and then relax for half a minute.

Which rotator cuff muscle is most commonly injured?

The most commonly affected muscle is

the supraspinatus

. A combination of susceptible anatomy and a lifetime of wear and tear can cause mechanical abrasion and impingement of the supraspinatus on the acromion bone. Aging of the rotator cuff tendon.

Where does your shoulder hurt with a torn rotator cuff?

Sharp or aching pain and swelling from a rotator cuff tendinitis or tear are usually located

over the front or lateral part of the shoulder and upper arm

.

How do I keep my rotator cuff healthy?

1. Stretch before exercise. Stretching the shoulder prior to activity is paramount in throwing athletes. …
2. Strengthen the rotator cuff. …
3. Strengthen the core and lower extremities. …
4. Re-establish proper throwing mechanics. …
5. Use ice and anti-inflammatories as needed.

Can a rotator cuff heal on its own?

Most rotator cuff tears cannot heal on their own unless the injury is minor

. Some need short-term anti-inflammatory medication along with physiotherapy, whereas most need surgical intervention.