What Is Cavus Foot?
Cavus foot, also known as pes cavus or high-arched foot, is a condition in which the arch of the foot is significantly higher than normal. While a healthy arch helps distribute body weight evenly during walking and standing, an excessively high arch concentrates pressure on specific areas of the foot. This uneven distribution of force can lead to pain, instability, callus formation, and difficulty with everyday activities.
In many patients, the heel tilts inward, a position known as hindfoot varus, while the front of the foot points downward. This combination creates an imbalanced foot that does not absorb shock efficiently, making walking less stable and increasing the risk of ankle injuries.
Although some individuals have naturally high arches without symptoms, others develop a progressive deformity that gradually affects foot function and quality of life.
What Causes Cavus Foot?
Cavus foot may develop for several different reasons, although the underlying cause is most commonly a neurological condition.
Neurological Disorders
Many cases are associated with disorders that affect the nerves and muscles controlling the foot. These include:
- Charcot-Marie-Tooth disease, the most common neurological cause
- Cerebral palsy
- Spinal cord disorders
- Peripheral nerve diseases
- Poliomyelitis
When the muscles of the foot become unbalanced, stronger muscles gradually overpower weaker ones. Over time, this imbalance changes the position of the bones and joints, producing the characteristic high arch and associated deformities.
Other Causes
Not every patient has a neurological condition. Cavus foot may also develop because of:
- Previous foot or ankle injuries
- Residual deformity after clubfoot treatment
- Congenital foot structure
- Unknown, or idiopathic, causes
Some people inherit a naturally high arch that remains stable throughout life, while others experience gradual progression over many years. Initially, the deformity may remain flexible and easier to correct. If left untreated, however, the joints can become increasingly rigid, making treatment more complex.
Symptoms
Symptoms vary considerably depending on the severity of the deformity and its underlying cause.
Common symptoms include:
- Pain beneath the ball of the foot
- Heel pain
- Frequent ankle sprains
- Difficulty finding comfortable footwear
- Pain during prolonged standing or walking
- Fatigue with everyday activities
- Thick calluses beneath the forefoot or along the outer border of the foot
- Hammertoes or claw toes
- A feeling of instability while walking
Because the foot cannot distribute body weight normally, excessive pressure develops beneath the heel and forefoot. Over time, this abnormal loading may lead to chronic pain, worsening deformity, and progressive limitation of daily activities.
Patients with neurological causes may also notice muscle weakness, balance problems, or changes in walking pattern that continue to progress over time.
Non-Surgical Treatment
Whenever appropriate, treatment begins with conservative management aimed at reducing pain, improving stability, and allowing patients to remain active.
Non-surgical options may include:
- Custom orthotic inserts to improve pressure distribution
- Supportive footwear with adequate cushioning
- Ankle braces for additional stability
- Stretching and physical therapy
- Anti-inflammatory medication when appropriate
- Activity modification to reduce excessive stress on the foot
Although these treatments can significantly improve symptoms, they do not correct the underlying structural deformity. When pain persists despite conservative care or when the deformity continues to worsen, surgical correction may provide the best long-term solution.
Modern Minimally Invasive Surgical Treatment
The primary goal of surgery is to create a stable, balanced, pain-free foot that rests flat on the ground and allows patients to walk comfortably while wearing normal footwear.
Modern minimally invasive techniques make it possible to correct many cavus foot deformities through very small incisions rather than traditional large surgical exposures.
Instead of extensive soft tissue dissection, specialized instruments are introduced through small openings in the skin. Throughout the procedure, real-time fluoroscopic, or X-ray, imaging allows precise correction of bone alignment while minimizing injury to surrounding tissues.
This less invasive approach can reduce postoperative pain, minimize wound complications, and support a faster recovery compared with traditional open procedures.
The exact surgical plan is individualized for each patient, depending on the severity of the deformity, flexibility of the foot, and underlying diagnosis.
The Minimally Invasive Surgical Procedure
Every cavus foot is unique, and no two surgical procedures are exactly the same. Treatment is carefully tailored to the individual patient based on the severity of the deformity, joint flexibility, muscle balance, and the underlying cause.
Rather than relying on one single operation, cavus foot correction often combines several procedures that work together to restore proper alignment and improve foot function.
Calcaneal Osteotomy
Many patients with cavus foot have a heel that tilts inward, contributing to instability and uneven weight distribution.
A calcaneal osteotomy is performed to reposition the heel into a more balanced alignment. During this procedure, the heel bone is precisely cut and shifted into the correct position before being stabilized with screws.
Correcting the heel is a critical part of restoring overall foot balance and improving walking mechanics.
Midfoot Osteotomies
The excessively high arch often requires correction within the middle portion of the foot.
Through small incisions, carefully planned bone cuts may be performed in selected bones such as the cuboid, medial cuneiform, or first metatarsal. These adjustments reduce the height of the arch, improve weight distribution, and restore a more natural foot position.
Depending on the specific procedure, some osteotomies require internal fixation with screws, while others heal without additional hardware.
Soft Tissue Procedures
Correcting the bones alone is often not enough to fully restore foot alignment and function.
Tight ligaments, tendons, and fascia may continue pulling the foot into its abnormal position if they are not addressed during surgery.
Additional procedures may include:
- Plantar fascia release to reduce tension beneath the foot
- Tendon lengthening to improve flexibility
- Tendon transfers to restore muscle balance
- Correction of associated hammertoes or claw toes when necessary
These soft tissue procedures complement the bony correction and help achieve a stable, well-balanced foot.
Advantages of Minimally Invasive Surgery
Modern minimally invasive techniques have significantly changed the treatment of cavus foot. Compared with traditional open surgery, they offer several important benefits while maintaining excellent correction of the deformity.
Smaller Incisions
Tiny incisions, often only a few millimeters long, minimize soft tissue disruption and result in much smaller scars.
Less Postoperative Pain
Because muscles and surrounding tissues are preserved whenever possible, patients generally experience less pain after surgery and may require fewer pain medications during recovery.
Faster Recovery
Reduced surgical trauma allows many patients to regain mobility sooner and return to daily activities more quickly than after traditional open procedures.
Protected Weight-Bearing in Many Patients
If permitted by your foot and ankle surgeon, many patients can begin protected weight-bearing soon after surgery while wearing a walking boot. Early movement helps preserve muscle strength and can make recovery more comfortable.
Lower Risk of Wound Problems
Smaller incisions may reduce the likelihood of wound-healing complications and postoperative infection compared with larger open procedures.
Precise Deformity Correction
Despite using much smaller incisions, minimally invasive surgery allows accurate correction of the deformity. Fluoroscopic imaging helps guide bone alignment while preserving surrounding tissues.
What to Expect Before Surgery
Before recommending surgery, a comprehensive evaluation is performed to fully understand the nature of your deformity.
This assessment typically includes:
- A detailed medical history
- Physical examination
- Standing X-rays of the foot and ankle
- Assessment of muscle strength and joint flexibility
- Evaluation for possible neurological conditions when indicated
Your foot and ankle surgeon will explain the specific procedures recommended for your foot, discuss the expected benefits and potential risks, and answer any questions you may have before surgery.
During Surgery
Cavus foot correction is typically performed under regional anesthesia with sedation or, in some cases, general anesthesia.
After your foot is carefully positioned, several small incisions are made to perform the planned bone and soft tissue corrections.
Using fluoroscopic guidance, your foot and ankle surgeon precisely repositions the bones, performs tendon procedures when necessary, and secures the correction with screws where appropriate.
Once the deformity has been corrected, the small incisions are closed with stitches, and a protective dressing and walking boot are applied.
Immediately After Surgery
Following surgery, your foot will be protected in a specialized walking boot.
The amount of weight permitted depends on the exact procedures performed and your foot and ankle surgeon’s instructions.
During the first few weeks, it is important to:
- Keep the foot elevated whenever possible to reduce swelling
- Keep the surgical dressings clean and dry
- Take prescribed medications as directed
- Attend scheduled follow-up appointments so healing and bone alignment can be monitored with X-rays
Recovery Timeline
First Two Weeks
During the initial recovery period, many patients are able to begin protected weight-bearing in a walking boot when approved by their foot and ankle surgeon.
Swelling is expected during this stage, and keeping the foot elevated whenever possible helps reduce discomfort. Pain is usually well controlled with prescribed medication, and the small surgical incisions generally heal quickly.
Weeks Two to Six
As healing progresses, patients gradually increase their walking distance while continuing to wear the protective boot.
Follow-up appointments and X-rays allow your foot and ankle surgeon to monitor bone healing and confirm that the correction is being maintained. Gentle range-of-motion exercises may begin during this period to improve flexibility and reduce stiffness.
Swelling gradually decreases during this stage, although mild swelling may persist for several months and is considered a normal part of healing.
Two to Three Months
By this stage, most bone healing has occurred, allowing many patients to transition from the walking boot to supportive athletic or walking shoes.
Strengthening exercises become increasingly important as normal walking mechanics are restored. Most patients are able to return to routine daily activities with significantly improved comfort.
Depending on the operated foot and individual progress, driving may also be resumed once it is safe to do so.
Three to Six Months
Recovery continues over the following months as strength, balance, and endurance steadily improve.
Many patients return to their normal lifestyle, including recreational activities and sports, with substantially less pain and improved foot function.
The final correction gradually stabilizes, allowing the foot to function more efficiently during everyday activities.
Expected Outcomes
Modern minimally invasive techniques have demonstrated excellent clinical outcomes in appropriately selected patients.
Most individuals experience:
- Significant reduction in foot pain
- Improved walking comfort and endurance
- Better foot alignment
- Greater ankle stability
- Improved ability to wear regular footwear
- Enhanced overall quality of life
The primary objective is not only to improve the appearance of the foot but, more importantly, to restore comfortable function and long-term stability.
Potential Risks and Complications
Although minimally invasive surgery may have a lower complication rate than traditional open procedures, every surgical procedure carries some degree of risk.
Minor Complications
- Temporary numbness or nerve irritation
- Swelling that may persist for several months
- Mild stiffness requiring additional rehabilitation
- Minor wound-healing problems
These issues are generally temporary and improve with appropriate postoperative care.
Less Common Complications
- Infection
- Delayed or incomplete bone healing
- Malalignment during healing
- Irritation from surgical hardware
- Recurrence of the deformity, particularly in progressive neurological conditions
- The need for additional surgery
Certain factors, including smoking, diabetes, poor circulation, and failure to follow postoperative instructions, can increase the likelihood of complications.
Who Is a Good Candidate?
You may be a suitable candidate for minimally invasive cavus foot correction if you:
- Have persistent pain caused by cavus foot
- Experience difficulty walking or performing daily activities
- Have not achieved adequate relief with conservative treatment
- Have a flexible or moderately rigid deformity
- Do not have advanced arthritis affecting the foot joints
- Are committed to following postoperative rehabilitation instructions
Patients with very severe or long-standing rigid deformities may require more extensive reconstructive procedures or joint fusion to achieve the best possible result.
Every patient is carefully evaluated to determine the most appropriate treatment approach.
Optimizing Your Recovery
Follow Weight-Bearing Instructions
Even if early walking is permitted, always wear your protective boot exactly as instructed. Assistive devices such as crutches or a walker may still be recommended during the early stages of recovery.
Control Swelling
Keeping your foot elevated above heart level whenever possible during the first several weeks helps reduce swelling and improve comfort.
Some swelling may continue for several months and is considered a normal part of the healing process.
Protect Your Incisions
Keep the surgical wounds clean and dry until they have completely healed.
Contact your foot and ankle surgeon if you notice increasing redness, drainage, fever, or any other signs that may indicate infection.
Perform Your Rehabilitation Exercises
Follow the rehabilitation program provided by your foot and ankle surgeon or physical therapist.
Progressive stretching, strengthening, and balance exercises play an important role in restoring normal foot function and preventing stiffness.
Avoid Smoking
Smoking significantly slows bone healing and increases the risk of complications after foot and ankle surgery.
Stopping before and after surgery can substantially improve healing and surgical outcomes.
Attend Your Follow-Up Appointments
Regular follow-up visits allow your foot and ankle surgeon to monitor healing with clinical examinations and X-rays, ensuring that the correction remains stable throughout recovery.
These appointments also provide an opportunity to adjust your rehabilitation program and answer any questions that arise during recovery.
Expert Care for Cavus Foot
Cavus foot is a complex condition that requires careful evaluation and an individualized treatment plan. While many patients achieve meaningful symptom relief with conservative treatment, others may benefit from modern minimally invasive surgical correction when pain, instability, or progressive deformity limits daily activities.
Every patient deserves an individualized treatment plan based on the severity of the deformity, symptoms, activity level, and underlying cause. Whether treatment involves conservative care or modern minimally invasive reconstruction, the objective is to restore a balanced, stable, and pain-free foot, improve walking mechanics, and help patients return to everyday activities with greater comfort and confidence.
Your Surgeon for Cavus Foot (High Arch) Treatment on Long Island
Kristian Efremov, MD, PhD, is a fellowship-trained orthopedic foot and ankle surgeon. He evaluates and treats cavus foot (high arches) for patients across Nassau and Suffolk County at NYU Langone Ambulatory Care East Meadow, 1530 Front Street, Suite 200, East Meadow, NY 11554.
Options covered on this page range from non-surgical care to minimally invasive reconstruction, including calcaneal and midfoot osteotomies and soft tissue procedures. The right option depends on your exam, imaging and goals.
Dr. Efremov completed his foot and ankle surgery fellowship at New England Baptist Hospital and is a Clinical Assistant Professor in the Department of Orthopedic Surgery at NYU Grossman Long Island School of Medicine.
To request an appointment, call (516) 324-7500 or read more about Dr. Efremov.
Medical Disclaimer. The information provided on this website is intended for general educational and informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional regarding any medical condition, symptoms, or treatment options.