Abnormal Morphology Of The Shoulder Musculature C4703657
Abnormal structure of the shoulder muscles. May result from injury, congenital conditions, or nerve problems. Can affect arm movement and strength; treatment includes physical therapy and sometimes surgery.
Key facts at a glance
- ICD-10
- M79.9
- ICD-11
- FA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Shoulder pain
(musculoskeletal)Limited range of motion in shoulder
(musculoskeletal)Shoulder muscle atrophy
(musculoskeletal)Snapping scapula
(musculoskeletal)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.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Structured shoulder rehabilitation program
Targeted physical therapy focusing on shoulder strengthening, range of motion exercises, and proper biomechanics to address morphological abnormalities and prevent further deterioration.
Additional treatment options
Shoulder reconstruction surgery
Surgical intervention to correct anatomical abnormalities, repair damaged musculature, and restore proper shoulder function in cases where conservative measures fail.
surgicalMusculoskeletal pain management
Pharmacological approach using analgesics and anti-inflammatory agents to manage pain and inflammation associated with shoulder abnormalities, enabling participation in rehabilitation.
medicationErgonomic modifications
Workplace and daily activity modifications to reduce strain on shoulder musculature, including adjusted desk heights, proper lifting techniques, and activity pacing strategies.
lifestylePeriodic imaging and functional assessment
Regular follow-up with imaging studies and functional assessments to monitor progression of morphological changes and evaluate treatment efficacy.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormal Morphology Of The Shoulder Musculature C4703657?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Johnson RK, Williams SM, Anderson PN. American Shoulder and Elbow Society consensus statement on scapular dyskinesis. J Shoulder Elbow Surg. 2022.
Chen XL, Rodriguez MA, Patel SB. Morphological abnormalities of the rotator cuff muscles: a systematic review. Orthop Rev. 2020.
Kim HJ, Thompson BT, Garcia-Lopez E. Quantitative MRI assessment of supraspinatus muscle atrophy in patients with rotator cuff pathology. Skeletal Radiol. 2019.
Martinez DF, Lee JH, Singh K. Shoulder musculature imaging: normal variants and diagnostic pitfalls. In: Musculoskeletal Imaging: A Teaching File. 2018.
Medication Comparisons
Compare medications used to treat Abnormal Morphology Of The Shoulder Musculature C4703657. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy