Shoulder Pain – Causes, Symptoms and Treatment
Shoulder pain is one of the most common musculoskeletal complaints, caused by injuries, inflammation, or wear and tear. It can significantly limit mobility and quality of life.
Things worth knowing about "Shoulder Pain"
Shoulder pain is one of the most common musculoskeletal complaints, caused by injuries, inflammation, or wear and tear. It can significantly limit mobility and quality of life.
What Is Shoulder Pain?
Shoulder pain is among the most frequent complaints affecting the musculoskeletal system. The shoulder joint is the most mobile joint in the human body, which also makes it especially susceptible to overuse, injury, and degenerative changes. Pain may originate in the joint itself, in surrounding muscles, tendons, or bursae, and can radiate into the arm, neck, or upper back.
Causes
Shoulder pain can have many different underlying causes. The most common include:
- Rotator cuff problems: The rotator cuff consists of four muscles and their tendons that stabilize the shoulder joint. Inflammation, tears, or overuse of these structures are among the most frequent causes of shoulder pain.
- Impingement syndrome: In shoulder impingement, tendons or bursae become compressed within the shoulder space, causing pain especially when lifting the arm.
- Shoulder osteoarthritis (glenohumeral arthritis): Degenerative wear of the shoulder joint leading to chronic pain and restricted movement.
- Frozen shoulder (adhesive capsulitis): An inflammatory condition of the joint capsule that causes progressive stiffness and loss of mobility.
- Acromioclavicular (AC) joint problems: Injuries or arthritis of the AC joint cause pain at the top of the shoulder.
- Bursitis: Inflammation of the fluid-filled sacs (bursae) that cushion the joint, resulting in intense, often burning pain.
- Muscle tension: Stress, poor posture, and repetitive strain frequently lead to tightness in the shoulder and neck muscles.
- Calcific tendinitis: Calcium deposits within the tendons of the shoulder cause sudden, severe pain episodes.
- Referred pain: Conditions affecting the cervical spine, heart, or gallbladder can also manifest as shoulder pain.
Symptoms
Symptoms vary depending on the cause but commonly include:
- Pain during specific arm movements or at rest
- Nighttime pain that disturbs sleep
- Reduced range of motion in the shoulder joint
- Weakness in the arm or shoulder muscles
- Tenderness over the joint or surrounding muscles
- Clicking or grinding sensations during movement
- Radiation of pain into the arm, neck, or upper back
Diagnosis
To diagnose shoulder pain, doctors use a combination of approaches:
- Medical history and physical examination: Questions about onset, pain characteristics, and triggering factors, as well as targeted functional tests of the shoulder joint.
- Imaging techniques: X-rays reveal bony changes. Magnetic resonance imaging (MRI) provides detailed information about soft tissue structures such as tendons, muscles, and bursae. Ultrasound can also be used to assess tendons and bursae.
- Laboratory tests: If inflammatory or rheumatic conditions are suspected, blood markers such as CRP and ESR may be measured.
Treatment
Conservative Treatment
For most shoulder conditions, conservative management is the first step:
- Physiotherapy and exercise therapy: Targeted exercises to strengthen shoulder muscles, improve mobility, and correct postural imbalances.
- Pain management: Non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or diclofenac can relieve pain and reduce inflammation.
- Injection therapy: Corticosteroid injections into the joint or bursa can effectively reduce pain in inflammatory conditions.
- Cold and heat therapy: Ice packs for acute inflammation, heat applications for chronic muscle tension.
- Rest: Short-term immobilization may be appropriate after acute injuries but should not be prolonged.
Surgical Treatment
If conservative measures are insufficient, surgical intervention may be required. Common procedures include:
- Arthroscopic decompression for impingement syndrome
- Tendon repair or reconstruction for rotator cuff tears
- Shoulder joint replacement (shoulder prosthesis) for advanced osteoarthritis
When to See a Doctor
The following warning signs require prompt medical evaluation:
- Sudden, severe pain following an accident or fall
- Shoulder pain combined with chest pain, shortness of breath, or radiation into the left arm (possible cardiac event)
- Persistent pain lasting more than two weeks without improvement
- Noticeable swelling, redness, or warmth around the shoulder
- Loss of strength in the arm or hand
Prevention
Many causes of shoulder pain can be prevented or delayed with targeted measures:
- Regular shoulder and neck strengthening exercises to support stabilizing muscles
- Ergonomic workplace setup, especially for desk-based work
- Avoiding repetitive overuse and awkward postures
- Taking regular movement breaks during prolonged sitting or repetitive tasks
References
- German Society for Orthopaedics and Trauma Surgery (DGOU): Guidelines on Shoulder Disorders - Diagnostics and Treatment (2022).
- Herold, G. et al. - Internal Medicine. Cologne: Self-published, 2023.
- World Health Organization (WHO) - Musculoskeletal Health, Global Report 2021.
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