Bow Legs in the Elderly: Causes and Treatment Options for Genu Varum

Bow legs are a common condition in the elderly that affects both appearance and long-term health.
The causes of bow legs include knee osteoarthritis, being overweight, genetics, and injuries, etc.
Bow legs treatment includes both self-care methods and medical ones, depending on the severity of symptoms.
Self-care methods for bow legs include leg muscle exercises, muscle stretching, and using support devices.
Medical treatment methods may include osteotomy surgery, artificial knee replacement, or bone realignment procedures.
Those with bow leg symptoms should consult a physician for proper diagnosis and treatment planning.
Prevention and treatment of bow legs requires cooperation between doctors, patients, and their families in strictly following the treatment plan.

The condition of bow legs is a common problem in the elderly that affects mobility and quality of life. This article explains the causes, symptoms, and treatment methods for bow legs in older adults, helping you understand and properly care for yourself or your loved ones.

Table of Contents

What Are Bow Legs?

The condition of bow legs, medically known as “Genu Varum,” is a condition where both legs curve outward. When standing straight, the legs don’t touch each other and leave a gap between the knees while the ankles remain together. This forms an O-shape when viewed from the front, affecting balance and walking ability.

What Causes Bow Legs in the Elderly?

Bow legs in older adults result from several factors:

Knee osteoarthritis: Knee osteoarthritis is the most common cause, resulting from cartilage degeneration in the knee joint which leads to knee deformity.
Vitamin D deficiency: This leads to osteomalacia, making bones weak and easily bent.
Paget’s disease: It is a condition causing abnormal bone growth, resulting in curved leg bones.
Improperly healed injuries or fractures: These can cause bones to reunite in abnormal positions, leading to bow legs.
Untreated bow legs since childhood: This may develop into severe bow legs in adulthood and elderly periods.

Causes of Bow Legs in the General Population

Besides the elderly, people of other ages can also be at risk for developing bow legs, with risk factors including:

Genetics: Some people have genetic predispositions that make them more prone to bow legs.
Blount’s disease: Found in children, the disease causes abnormal tibia growth.
Nutritional deficiency: Particularly calcium and vitamin D, these nutrients are essential for bone development.
Being overweight: This increases pressure on the knees, potentially leading to bow legs.
Prolonged improper knee usage: The activities are such as frequently lifting heavy objects or playing high-impact sports to the knees.

Do Bow Legs Cause Pain and Fatigue?

People with bow legs often experience pain and fatigue, especially around the knees and ankles, due to unbalanced weight distribution that creates excessive pressure on certain parts of the body. Additionally, it may result in back pain because the body must adjust balance to compensate for abnormal posture. This pain and fatigue is increasingly common in the elderly. Common symptoms include:

Knee pain: Especially when walking or standing for extended periods
Hip pain: Due to unbalanced weight distribution
Lower back pain: Resulting from body posture adjustments to maintain balance
Easy fatigue: Because muscles must work harder to maintain balance
Knee stiffness: Particularly when standing up after sitting for long periods

However, these pain and fatigue symptoms may worsen over time and impact daily life.

Can Bow Legs Become Straight on Their Own?

In the elderly, bow legs typically cannot become straight on their own because most causes stem from bone and joint degeneration, which is a slow and continuous process. However, there are considerations as follows:

Age-related degeneration: In older adults, knee cartilage degeneration and bone mass loss are processes that cannot naturally reverse.
Severity of the condition: Mild bow legs may not worsen rapidly but still cannot become straight on their own.
Preventable causes: In cases like vitamin D deficiency, if addressed promptly, patients may be able to slow or prevent bow legs from worsening. However, this cannot make legs become straight on their own.
Treatment effects: While legs cannot become straight on their own, appropriate treatment such as physical therapy or using supportive devices may help alleviate symptoms and slow disease progression.
Surgery: When necessary, surgery may be an option to correct bone abnormalities, though this is not natural self-correction.
Prevention: While existing bow legs cannot become straight on their own, prevention since young ages may help reduce the risk of developing this condition.

For these reasons, even though legs cannot become straight on their own, regular health maintenance such as appropriate weight control and moderate exercises are important in slowing the development of bow legs in the elderly.

Treatment Methods for Bow Legs

Bow legs treatment can be divided into two main approaches: self-care and medical treatment. The details are as follows:

Self-care for bow legs

We cannot actually correct existing bow legs on our own, especially if they result from structural changes in bones and joints which are found in moderate to severe knee osteoarthritis. However, patients can care for themselves to reduce pain or problems caused by bow legs. Self-care methods for bow legs include:

Exercises to strengthen leg muscles

Treadmill walking: This helps strengthen leg muscles without excessive knee impact.
Swimming: This low-impact exercise helps strengthen muscles around the knees.
Quadriceps exercises: They help support knee stability.
Calf and hamstring stretching exercises: They help reduce pulling forces that affect leg curvature.

Using knee support devices

Knee braces: They help distribute weight and reduce pressure on the knees.
Shoe insoles: They help adjust balance in standing and walking.

Weight control

Eat nutritious foods and control calorie intake
Reduce high-fat and sugary foods
Increase vegetable and fruit consumption

Hot or cold compress

Cold compress to reduce inflammation after exercise or when experiencing pain
Hot compress to relax muscles before stretching or exercising

Daily routine modification

Avoid standing or walking for extended periods
Use a cane or walker to assist with balance and reduce knee pressure
Choose shoes with good arch support and cushioned soles

Balance training

Single-leg standing (with support)
Heel-to-toe walking
Using a stability ball for balance training

Medical treatment for bow legs

For those with severe bow legs or who cannot correct them through self-care, medical treatment may be an appropriate option. Methods include:

Pain-relief and anti-inflammatory medication, knee injections, or physical therapy: These can help reduce pain, tightness, and fatigue caused by bow legs but cannot correct the curvature back to normal.
Osteotomy surgery: This involves cutting a portion of bone to adjust leg alignment for better straightness, suitable for those with mild bow legs and healthy knees.

Artificial knee replacement surgery: This is suitable for elderly patients with concurrent knee osteoarthritis. Artificial knee replacement surgery is the most effective treatment for severe knee osteoarthritis patients, as it can efficiently correct both bow leg problems and pain from joint degeneration

When Should You See a Doctor for Bow Legs?

Observing bow leg symptoms in yourself or those around you, whether children, elderly, or other ages, is important for assessing the proper time to seek treatment. Characteristics of bow legs that require medical consultation include:

Distance between ankles exceeds 8 centimeters when standing with feet together
Regular knee or ankle pain, especially when walking or standing for long periods
Noticeably increasing bow legs within a short time
Difficulty walking or running, such as frequent tripping or feeling unstable
Abnormal leg shape in children over 7 years old

While bow legs may not be a disease that needs urgent emergency care, there are several cases where you should consult a doctor promptly to prevent complications and receive appropriate treatment. Characteristics of bow legs requiring medical attention include:

Newly developed or rapidly worsening bow legs: They may indicate serious health problems such as bone infection or tumors.
Severe pain involved: This especially includes pain that disrupts sleep or daily activities.
Swelling, redness, and heat in the legs or knees: They may indicate inflammation or infection.
Walking or balance problems: They contribute to risks of falls and injuries.
Bow legs affecting quality of life: Examples include inability to perform previously manageable activities or feeling too self-conscious to socialize.
History of leg or knee injury: Even minor injuries may contribute to or worsen bow legs.
Long-standing bow legs which are never assessed: The condition should be examined to determine causes and appropriate treatment plans
Concerns about one’s bow legs: Even without severe symptoms, concerned patients can consult a doctor for peace of mind

Seeing a doctor early helps ensure proper diagnosis and treatment, which may slow disease progression and prevent potential complications. Additionally, annual health checkups provide good opportunities to assess bone and joint health, including screening for bow legs in early stages.

The Perks of Treating Bow Legs at kdms Orthopedic Hospital

At kdms Orthopedic Hospital in Bangkok, Thailand, we provide comprehensive bow legs treatment services

We have a team of experienced medical personnel and modern medical technology.
Our services start from accurate diagnosis with cutting-edge equipment.
We personalize treatment plans for each patient.
Surgical treatments at kdms Orthopedic Hospital in Bangkok, Thailand, are performed by a highly experienced medical team.
We cover post-treatment physical therapy services for rapid recovery.
Additionally, we provide postoperative consultation and close follow-up care to ensure patients receive the best care throughout the treatment process.

In Summary

Bow legs in the elderly is a health problem that significantly impacts quality of life. However, with proper understanding and appropriate care, seniors can alleviate symptoms and prevent bow legs from worsening. The main causes of bow legs in older adults typically stem from knee osteoarthritis, vitamin D deficiency, or certain bone diseases, all affecting bone and joint structures.

Bow legs treatment includes both self-care methods and medical treatments. Self-care approaches, such as appropriate exercises, weight control, and using support devices, can help alleviate symptoms and slow disease progression. Meanwhile, medical treatments, from physical therapy and medications to surgery, provide more targeted solutions.

For those with severe symptoms or who don’t respond to conservative treatments, surgery may be an appropriate option. Particularly at kdms Orthopedic Hospital in Bangkok, Thailand, we have specialized surgeons and modern technology capable of providing effective and safe treatment.

The most important thing is to recognize the risks of bow legs and to see a doctor early for diagnosis and treatment. Regular health maintenance, including eating nutritious foods, appropriate exercises, and keeping medical appointments, will help elderly patients effectively manage bow legs, resulting in better long-term quality of life.

An article by Napon Sinthuvanich, M.D., Experienced Orthopedic Surgeon (Knee and Hip Replacement Surgery)

Consult symptoms before scheduling an appointment.