14 Probable Reasons Why You Feel Upper Back Pain
2. Muscle Overuse

Muscle overuse is a common cause of upper back pain and often develops through everyday habits. When you use the same upper back muscles repeatedly without enough rest, they can become fatigued, tight, and sore. Activities such as long hours at a desk, frequent phone use, or lifting objects with poor form place repeated strain on these muscles.
Poor posture can worsen strain by making the upper back muscles work harder when your head leans forward or your shoulders slump. Stress may add to the problem, as people often tighten their shoulders without realizing it when they feel anxious or overwhelmed. This keeps the muscles active even during periods of rest.
3. Traumatic Injury

Traumatic injury can cause upper back pain when a sudden force impacts your body, such as during a car crash, fall, sports collision, or direct blow. In these situations, the body may twist, bend, or jerk abruptly, placing stress on the upper back. This force can stretch or tear muscles and soft tissues, bruise joints, or crack small spinal bones.
Pain often begins as a sharp sensation and gradually shifts to stiffness as inflammation builds. The discomfort may worsen when you move your arms, neck, or shoulders. Even mild injuries can affect how the upper back moves and bears weight, causing nearby muscles to tighten and add to soreness.
4. Herniated Disc
A herniated disc can cause upper back pain when a disc in the neck or upper spine presses on a nearby nerve. Spinal discs sit between the bones of the spine and act as soft cushions that absorb shock and support movement.
When a disc bulges or tears, it can irritate surrounding nerves and trigger pain. This type of pain often affects one side of the upper back and may spread into the shoulder, arm, or chest. The discomfort can feel sharp, burning, or aching. Some people also notice tingling, numbness, or weakness in the arm or hand when nerve signals are affected.
A herniated disc may develop gradually due to wear over time, though sudden strain can also contribute. Poor posture, heavy lifting, or a previous injury can increase stress on the spine. Movements such as turning your head or holding your neck in one position for too long often make the pain worse.
5. Pinched Nerve
A pinched nerve occurs when nearby tissues press on a nerve and limit how well it functions. In the upper back, this pressure may come from bones, muscles, or spinal discs. When a nerve is compressed in this area, symptoms may spread into the neck, shoulders, or arms. Symptoms can include sharp or burning sensations, tingling, numbness, or weakness.
They may worsen with movement, twisting, or holding the body in one position for long periods. Actions that increase pressure, such as coughing, sneezing, or taking a deep breath, can also intensify discomfort. Poor posture is a common contributor.
Slouching at a desk or keeping the neck bent forward for long periods places strain on the upper spine and increases pressure on nearby nerves. Injuries can also trigger a pinched nerve. A sudden movement, heavy lifting, or a fall may shift joints or tighten muscles, while swelling from even mild injuries can irritate a nerve.
6. Osteoarthritis
Osteoarthritis can affect the joints of the upper spine, including the neck and upper back. It develops gradually as the smooth cartilage that cushions the joints wears down over time. When osteoarthritis involves the upper back, pain often feels like a deep ache or stiffness between the shoulder blades.
The discomfort commonly worsens after long periods of sitting, standing, or repeated movement. You may also notice reduced flexibility, which can make it harder to turn your head or fully straighten your back. As the condition progresses, nearby bones may begin to change shape. Small bone growths can form and irritate surrounding muscles or nerves.
This process may lead to swelling, tenderness, or a grinding sensation during spinal movement. Aging also plays a major role, but past spine injuries, poor posture, excess body weight, and daily activities or jobs that strain the back can also contribute.
7. Myofascial Pain
Myofascial pain develops from tight, sensitive spots within the muscles and the thin connective tissue that surrounds them. In the upper back, these spots often form after long hours of sitting or repeated movements that keep the same muscles working without enough rest. The pain usually feels like a deep ache between the shoulder blades or along the spine.
The discomfort often stays localized but can spread to nearby muscles when you move, stretch, or press on the area. In many cases, small, firm knots can be felt under the skin, and pressing on them may trigger tenderness or a dull, radiating sensation.
Poor posture commonly contributes to this condition. Slouching, leaning forward at a desk, or holding the head down for extended periods places constant strain on the upper back muscles and keeps them tense. Stress can worsen the problem by causing unconscious muscle tightening, which reduces blood flow and leads to soreness over time.
8. Spinal Infection
A spinal infection begins when germs enter the bones, discs, or surrounding tissues of the spine. Although uncommon, it can cause steady upper back pain that does not improve with rest. You may feel discomfort even when sitting or lying down, which helps distinguish it from more common muscle-related pain.
The pain often feels deep and constant and may spread into the neck or shoulders. As the infection irritates spinal tissues, muscle tightness can develop and may affect how you hold your back or neck. This tension can further limit comfortable movement. Stiffness is also common and can restrict normal movement of the upper back or neck.
Certain factors can increase the risk of a spinal infection, including a weakened immune system, diabetes, poor nutrition, smoking, or a recent infection elsewhere in the body. Previous spine surgery or a past spinal injury can also raise the risk.
9. Sports Injury

Sports injuries commonly cause upper back pain, especially in contact sports or activities that involve repeated movements. Twisting, reaching overhead, or absorbing impact can strain the muscles between the shoulder blades. These injuries may occur during competitive play, training sessions, or casual exercise.
The risk increases when muscles are not properly prepared. Poor warm-up habits can leave muscles cold and tight, making them more likely to strain during sudden activity or heavy lifting. Incorrect form, worn-out equipment, or poor posture can also add stress to the upper back. Stiffness in the area may occur when moving the arms or turning the neck.
10. Car Accidents
Car accidents often lead to upper back pain, even when the crash appears minor. A sudden stop or impact causes the body to move quickly and then snap back, placing force on the muscles and soft tissues of the upper back.
Pain may appear hours or even days after the accident. During and immediately after a crash, the body releases stress-related chemicals that can temporarily dull pain. As these effects wear off, stiffness and soreness can develop and begin to limit movement.
Safety devices can also strain the upper back, as seat belts apply pressure across the chest and shoulders. Airbags can add to this stress during impact. Many people guard injured areas after a crash, which adds strain to the upper back and can prolong pain.
11. Maneuvering Heavy Objects From Overhead

Lifting or moving heavy objects from above shoulder height places extra stress on the upper back. This action forces the neck, shoulders, and upper back muscles to work together, causing strain to build quickly, even during short tasks.
When you reach overhead and pull weight toward your body, these muscles tighten to keep you stable. If the load is awkward or unbalanced, the muscles may tense beyond what they can safely handle. You may unknowingly arch your back or tilt your head to compensate, which shifts pressure onto the upper spine and nearby joints.
These positions can lead to soreness or, in some cases, sharp pain. This type of movement is often repeated during daily activities at work or home. Examples include placing boxes on high shelves, lowering items from cabinets, or handling equipment stored overhead.
12. Whiplash

Whiplash can lead to upper back pain when the head and neck move suddenly and forcefully beyond their normal range. This motion most often occurs during car crashes, falls, or abrupt stops. The rapid back-and-forth movement places strain on the muscles, ligaments, and other soft tissues of the neck and upper spine.
Symptoms do not always appear immediately. Pain and stiffness may begin several hours later or the following day as inflammation and muscle tension develop. Early discomfort often starts in the neck and gradually extends into the upper back and shoulders.
The upper back becomes involved because the neck and upper spine function as a connected unit. When the neck absorbs sudden force, nearby upper back muscles tighten to stabilize the area. While this response can help protect the spine at first, it often increases soreness and limits comfortable movement.
13. Leaning Backwards

Leaning backward for long periods can place extra stress on the upper back, often without you realizing it. This posture may occur while sitting, standing, or stretching and can strain the upper spine. When you lean back, the joints and soft tissues in the upper spine become compressed. This pressure can irritate muscles and small joints, leading to soreness or a sharp ache between the shoulder blades.
At the same time, the upper back muscles work harder to keep the head and shoulders balanced. With repeated backward leaning, muscle effort increases beyond normal levels. Over time, this can cause tightness and ongoing discomfort.
14. Lung Cancer

Lung cancer can cause upper back pain when a tumor presses on nearby tissues or nerves. The pain often feels like a deep, dull ache between the shoulder blades and tends to remain constant rather than changing with movement or easing with rest or stretching.
This discomfort usually results from nerve irritation near the lungs. As a tumor grows, it can affect the chest wall or spine and send pain signals to the upper back, even when the lungs themselves do not feel painful.
The pain may worsen with deep breathing, coughing, or laughing, as these actions increase pressure in the chest. In some cases, lung cancer spreads to the bones, which can make back pain sharper, more intense, worse at night, or severe enough to disturb sleep.