Shoulder pain can appear suddenly after an injury or creep in slowly, turning simple tasks like reaching for a coffee mug or putting on a jacket into a painful ordeal. When this discomfort settles in, one of the first questions that often comes to mind is, “What is causing this?” A common concern for many is a rotator cuff injury. But this leads to a more specific question: where is the pain with a torn rotator cuff?  In this post, we’ll take a closer look at rotator cuff pain, helping you understand not just where it hurts, but why, and what it might mean for your health.

• The most common location for rotator cuff pain is a dull, deep ache in the shoulder, often felt on the outside and sometimes radiating down the upper arm.
• Pain is frequently worse at night, especially when lying on the affected side, and can be severe enough to disrupt sleep.
• While pain is a primary symptom, some rotator cuff tears, particularly those that develop slowly over time, may cause more weakness than pain, or in some cases, no pain at all.

The rotator cuff is not a single entity, but rather a group of four muscles and their connecting tendons that form a “cuff” around the head of the upper arm bone (humerus). These four muscles are:

• Supraspinatus: Sits on top of the shoulder and is used for lifting the arm out to the side.
• Infraspinatus: Located on the back of the shoulder blade, this muscle helps with external rotation (rotating the arm outward).
• Teres Minor: Also on the back of the shoulder blade, it assists the infraspinatus with external rotation.
• Subscapularis: Positioned on the front of the shoulder blade, this is the largest of the four muscles and is a powerful internal rotator (rotating the arm inward).

Together, these muscles and tendons work in harmony to keep the ball of the humerus centered in the shallow shoulder socket (glenoid). This dynamic stability is what allows for both powerful movements and fine-tuned control. When one or more of these tendons are torn, this balance is disrupted, leading to the symptoms of pain and weakness.

So, where is the pain with a torn rotator cuff? While every individual’s experience can be slightly different, there are several common patterns and locations where discomfort from a rotator cuff tear tends to appear.

The most frequently described symptom is a dull ache felt deep within the shoulder. Patients often have trouble pointing to a single, precise spot. Instead, they might use a cupped hand to cover the entire shoulder area to indicate where it hurts.

One common pattern of rotator cuff pain is its tendency to be felt not on the top of the shoulder, but on the outer aspect of the upper arm.

Depending on which of the four rotator cuff tendons is injured, the pain may be more localized to the front (anterior) or back (posterior) of the shoulder. For example, an injury to the subscapularis tendon at the front of the shoulder might produce more anterior pain. Similarly, a tear in the infraspinatus or teres minor tendons at the back might lead to more posterior discomfort. However, because the tendons work so closely together, a tear in one can often cause a more generalized pain that is difficult to localize.

Many patients report that the pain becomes significantly worse at night, often making it difficult to fall asleep or waking them from sleep. This is especially true when lying directly on the affected shoulder, which can compress the already inflamed and injured tissues. Even without direct pressure, the inflammatory processes within the joint may become more active at night, leading to increased pain during periods of rest.

A torn rotator cuff may make its presence known during specific activities. Because the rotator cuff muscles are responsible for lifting and rotating the arm, actions that require these movements can trigger pain. Common examples include:

• Reaching overhead to get something from a high shelf.
• Lifting objects, especially away from the body.
• Reaching behind the back, such as to tuck in a shirt.
• Activities like combing your hair or throwing a ball.

A rotator cuff tear can cause weakness in the shoulder, which in some cases may be even more pronounced than the pain itself. You might find it difficult to hold your arm in certain positions or feel a sense of heaviness when trying to lift it.

The onset of pain can also provide clues. An acute tear, which might happen from a fall or a sudden, forceful injury, can cause immediate and severe pain, sometimes accompanied by a popping sensation and an inability to lift the arm. In contrast, degenerative tears, which develop slowly over time due to wear and tear, may begin as a mild ache that gradually worsens over weeks or months.

The diagnostic process is systematic, designed to rule out other conditions and confirm the nature and extent of the rotator cuff injury.

The first and often most informative part of the diagnosis is the physical exam. Your doctor will ask you about your symptoms, your medical history, and any recent injuries. They will then perform a series of tests to assess your shoulder’s range of motion, strength, and pain location.

Imaging Studies

While a physical exam provides information, imaging studies may be needed to support the diagnosis, determine the size and characteristics of the tear, and look for other associated problems in the shoulder.

• X-rays: Although X-rays do not show soft tissues like tendons, they are a valuable first step. They can reveal other potential causes of shoulder pain, such as bone spurs, arthritis, or fractures.
• Magnetic Resonance Imaging (MRI): An MRI uses a powerful magnetic field and radio waves to create detailed images of the muscles, tendons, ligaments, and other soft tissues in the shoulder.
• Ultrasound: Musculoskeletal ultrasound is another possible tool for diagnosing rotator cuff tears. It uses sound waves to create real-time images of the tendons, allowing the examiner to see how they move.

Once a rotator cuff tear is diagnosed, the focus shifts to treatment. The goal of any treatment plan is to reduce pain and restore function to the shoulder. The appropriate path depends on several factors, including the size of the tear, your age, your activity level, and the severity of your symptoms. Treatment options are generally categorized as non-surgical or surgical.

For many rotator cuff tears, especially those that are partial or degenerative in nature, a non-surgical approach is frequently the first line of treatment. The aim is to manage pain and improve the shoulder’s function without invasive procedures. This conservative approach may include a combination of the following:

• Rest and Activity Modification: This involves avoiding activities that cause pain, particularly overhead lifting and reaching. This does not generally mean you should stop moving your arm completely, but rather that you should avoid the specific motions that aggravate the injury.
• Pain Management: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, can be effective in reducing both pain and inflammation.
• Physical Therapy: A physical therapist can guide you through a tailored exercise program designed to restore flexibility, improve range of motion, and, most importantly, strengthen the muscles around the shoulder.
• Corticosteroid Injections: In cases of significant pain and inflammation, your doctor may recommend a corticosteroid injection. Cortisone is a powerful anti-inflammatory medication that is injected directly into the space above the rotator cuff tendons to provide short-term relief.

If non-surgical treatments do not provide adequate relief, or if the tear is large and occurred from an acute injury, surgery may be recommended. Several surgical techniques may be used:

• Arthroscopic Repair: This is the most common and least invasive method. The surgeon makes a few small incisions around the shoulder and inserts a tiny camera (arthroscope) to view the joint on a screen. Miniature surgical instruments are then used to perform the repair.
• Open Repair: In some cases, a traditional open surgical approach may be necessary. This involves a larger incision and is typically reserved for very large or complex tears.

Recovery from rotator cuff surgery typically involves a period of immobilization in a sling, followed by a carefully structured rehabilitation program to regain motion and strength.

Rotator cuff tear pain commonly manifests as a dull ache deep in the shoulder, with pain sometimes radiating to the outside of the upper arm. This discomfort is frequently accompanied by night pain, weakness, and increased pain with overhead activities. While these patterns are characteristic, the experience of pain can vary, and a proper diagnosis is key. A consultation with an experienced shoulder specialist can help guide diagnosis and treatment planning.

It is uncommon for pain originating from a rotator cuff tear to radiate past the elbow. Pain that travels into the forearm, hand, or fingers is more frequently associated with a nerve issue, such as a pinched nerve in the neck.

Yes. Studies have shown that a number of people, especially as they get older, have rotator cuff tears visible on an MRI but experience no pain or loss of function. These are known as asymptomatic tears.

Night pain is a hallmark of rotator cuff problems for a few reasons. When you lie down, the direct pressure on the shoulder can compress the inflamed tissues. Additionally, without the distraction of daily activities, the pain may become more noticeable. There may also be an increase in inflammatory fluid within the joint when it is at rest.