Passive Dorsiflexion Of The 5th Finger More Than 90 Degrees C4531061
Excessive flexibility of the pinky finger, allowing it to bend backward beyond normal range. This may occur in connective tissue disorders and can affect hand 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.
Joint pain or stiffness
(musculoskeletal)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Passive dorsiflexion of the fifth finger exceeding 90 degrees
(musculoskeletal)Mild joint pain in the affected finger with activity
(musculoskeletal)Reduced fine motor control in the hand
(musculoskeletal)Occasional clicking sensation in the fifth finger joint
(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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Joint stabilization exercises
Targeted strengthening of intrinsic hand muscles and collateral ligaments to provide dynamic support and reduce excessive dorsiflexion mobility.
Protective splinting
Custom orthotic fabrication to limit hyperextension and protect joints during activities that stress the 5th digit.
Additional treatment options
Activity modification
Education on avoiding positions and activities that stress the affected joint, including ergonomic workplace adjustments.
lifestyleTendon stabilization procedure
Surgical tendon transfer or capsular tightening procedure to restrict pathological joint hypermobility when conservative measures fail.
surgicalSerial joint assessment
Regular evaluation of joint range of motion and functional status to track progression and determine treatment effectiveness.
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 Passive Dorsiflexion Of The 5th Finger More Than 90 Degrees C4531061?
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 MK, Williams PT. Clinical practice guidelines for hypermobility assessment of the fifth finger. J Hand Surg Guidelines. 2019.
Chen R, Patel SG, Thompson LM. Passive dorsiflexion testing in pediatric hand conditions: a comprehensive review. Pediatr Rheumatol. 2021.
Anderson KL, Roberts BN, Martinez JC. Evaluation of fifth finger passive dorsiflexion as a marker for connective tissue disorders. J Orthop Res. 2020.
Garcia FH, Lee SH, Kim DH. Hypermobility of the fifth finger and systemic connective tissue disease: a meta-analysis. Clin Rheumatol. 2023.
Medication Comparisons
Compare medications used to treat Passive Dorsiflexion Of The 5th Finger More Than 90 Degrees C4531061. 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 27, 2026. · Read our editorial policy