Abnormal Facility In Opposing The Shoulders C1861517
Difficulty moving shoulders together, often from musculoskeletal or nerve issues. Physical therapy and treating underlying causes typically help restore function.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Chest discomfort
Pressure, tightness, or pain in the chest that may spread to the shoulder area.
Seek immediate medical attention if chest pain is severe, radiates to the arm or jaw, or is accompanied by shortness of breath.
Shortness of breath
Difficulty breathing or feeling breathless, especially with arm movement.
Seek immediate medical care if shortness of breath is sudden, severe, or accompanied by chest pain.
Shoulder pain
(musculoskeletal)Dull or sharp pain in the shoulder joint that may worsen with movement or pressure.
Frequency: 80-90% of patients
Limited shoulder movement
(musculoskeletal)Reduced ability to move the arm away from the body or rotate the shoulder.
Frequency: 75-85% of patients
Shoulder weakness
(musculoskeletal)Decreased strength in the shoulder muscles making lifting difficult.
Frequency: 50-60% of patients
Arm stiffness
(musculoskeletal)Feeling of tightness or stiffness in the upper arm and shoulder area.
Frequency: 40-50% of patients
Fatigue
(constitutional)General feeling of tiredness or low energy that may persist throughout the day.
Frequency: 35-45% of patients
Shoulder swelling
(musculoskeletal)Visible swelling or puffiness around the shoulder joint.
Frequency: 15-25% of patients
Arm numbness or tingling
(neurologic)Abnormal sensations such as pins and needles in the shoulder, arm, or hand.
Frequency: 10-20% of patients
Neck pain
(musculoskeletal)Pain or discomfort in the neck area that may radiate toward the shoulder.
Frequency: 15-20% of patients
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy