Dr. Abhinav Singhal is a highly skilled Orthopedic Surgeon in Ghaziabad with over 10 years of experience, specializing in joint arthroscopy, joint replacement, and complex trauma care.
Swan Neck Deformity (SND) is a condition in which the finger takes on a characteristic “S” shape due to:
Hyperextension at the proximal interphalangeal joint (PIP)
Flexion at the distal interphalangeal joint (DIP)
It most commonly affects the index and middle fingers, and can be disabling in severe cases.
Finger has S-shaped curve (PIP hyperextended, DIP flexed)
Difficulty with gripping or making a fist
Finger weakness
Pain or stiffness in early stages
Progressive loss of function if untreated
Clinical examination : Joint positions, active and passive motion
X-rays : To assess joint alignment and any arthritis
Underlying cause evaluation : Rheumatoid panel, neurological exams, etc.
✅ Best for early or mild cases
Splinting :-
PIP extension-block splints to limit hyperextension
Silver ring splints for daily support
Occupational/physical therapy :-
Strengthen intrinsic muscles
Maintain joint flexibility
Anti-inflammatory medications if underlying arthritis present
Treat underlying cause (e.g., RA management)
For moderate to severe cases or failed conservative treatment
Common procedures:
Soft tissue reconstruction (e.g., volar plate advancement)
Lateral band relocation to restore flexor-extensor balance
Fusion (arthrodesis) of DIP joint (if painful or unstable)
Joint replacement in arthritic fingers
Tendon repairs if damaged (esp. in post-traumatic cases)
Stiffness
Recurrent deformity
Pain or loss of motion
Failure of surgical correction
Progression in adjacent fingers (esp. in systemic disease)
F&Q'sSwan Neck Deformity (SND) is a condition in which the finger takes on a characteristic “S” shape due to :-
Hyperextension at the proximal interphalangeal joint (PIP)
Flexion at the distal interphalangeal joint (DIP)
It most commonly affects the index and middle fingers, and can be disabling in severe cases.
In early stages, yes—splinting and therapy can restore function. Long-standing deformities often require surgery.
It can be pain-free in early stages, but can cause pain, stiffness, and weakness later.
It can, especially in rheumatoid arthritis, but often begins with one or two.
Not always. Some wear it only during activities or at night to prevent worsening.
Function usually improves, but perfect restoration may not be possible, especially if long-standing.