# Knee Osteoarthritis: Diet and Exercise

> Knee osteoarthritis: why your knees hurt and crack, which foods to choose, how to stay active, and which natural methods I recommend.

- URL: https://celitel.online/en/blog/artroz-kolennogo-sustava/
- Author: Dr. Boris Wydoff — https://celitel.online/en/about/
- Published: 2026-11-05
- Language: en

Knee osteoarthritis is a chronic condition in which the protective cartilage covering the surfaces of the bones gradually becomes damaged. This can lead to pain, stiffness, and difficulty walking. The first steps are simple: if you are overweight, gradually reduce your weight; avoid putting too much strain on your knees, but stay as active as you comfortably can. Start with gentle walking, add suitable exercises to strengthen your muscles, and review your diet, cutting back on excess sweets and baked goods. A good everyday goal is a relaxed walk at a moderate pace each day.

## What Is Knee Osteoarthritis? A Simple Explanation

Imagine that inside your knee there is a natural shock absorber — the joint cartilage. It covers the surfaces of the bones and helps them move smoothly against each other. With osteoarthritis, this protective tissue gradually breaks down, making the joint less able to handle physical stress.

Doctors describe osteoarthritis as a chronic joint disease. It can develop gradually, sometimes over several years. The knees, hip joints, and small joints in the hands are most commonly affected.

How does the problem show itself? A person may notice that their knee starts hurting when walking, climbing stairs, or doing everyday household chores. After resting, the joint may feel stiff, and movement becomes less free.

Other symptoms include:
- swelling around the knee;
- tenderness when touched;
- cracking or a feeling of friction during movement;
- difficulty bending and straightening the leg;
- gradually reduced range of motion.

For some people, discomfort comes and goes and remains mild for a long time. For others, the pain becomes constant and interferes with everyday activities. Symptoms vary from person to person.

It is important to understand that osteoarthritis is not simply age-related cracking in the knees. It involves changes in the structure of the joint that can affect quality of life. That is why persistent symptoms should be investigated.

## Why Does Osteoarthritis Develop, and Who Is at Risk?

Doctors do not identify just one cause of knee osteoarthritis. The condition is usually associated with gradual cartilage damage and a combination of several factors. The risk increases with age, although getting older does not mean that the disease is inevitable.

Let's look at the main risk factors.

**Age.** The likelihood of developing osteoarthritis increases over the years. Our joints bear loads throughout our lives, and the body's ability to repair damaged tissue changes over time.

**Excess weight.** Your knees support a significant part of your body weight every day. Extra weight increases the load on them and therefore raises the risk of joint damage. Losing weight when necessary can reduce the strain on your knees.

**Previous injuries.** Joint injuries, as well as excessive strain before full recovery from an injury or surgery, can increase the likelihood of developing the condition. That is why you should not rush back to your previous exercise intensity after a knee injury.

**Heredity.** If close relatives have had osteoarthritis, your risk may be higher. However, no single gene has been identified that explains every case of the disease.

**Other joint conditions.** Osteoarthritis can develop in a joint that has already been seriously affected by another disease. Doctors include rheumatoid arthritis and gout among these conditions.

Everyday physical demands also matter. Work, sports, or habits that repeatedly put excessive strain on the knees can contribute to joint damage. Putting stress on a joint that still needs time to recover is particularly undesirable.

Women develop osteoarthritis more often than men. This is another factor doctors consider when assessing the likelihood of the condition. However, having one or more risk factors does not mean that the disease will definitely develop. Likewise, the absence of obvious causes does not rule out joint problems.

## How Can You Tell Osteoarthritis from Other Knee Problems?

Knee pain does not always mean osteoarthritis. Similar symptoms can occur with other diseases and injuries, so it is not right to rely on the type of pain alone.

Osteoarthritis typically causes discomfort that is linked to using the joint. For example, the knee may hurt more after a long walk or physical work. Morning stiffness after waking up is usually absent or lasts less than half an hour.

Another warning sign is prolonged morning stiffness. If the joint remains difficult to move for a long time after waking up, your doctor may suspect another condition, particularly rheumatoid arthritis.

The consequences of injuries also deserve special attention. If the pain started after a fall or another injury, a fracture and other damage must be ruled out. Symptoms that look similar on the surface can have completely different causes.

When osteoarthritis is suspected, the doctor first asks about your symptoms and examines the joint. They assess its range of motion, tenderness, and the nature of your complaints. Your age and the relationship between pain and physical activity also help them form an initial picture of the problem.

X-rays and blood tests are not necessary for everyone. Sometimes they are ordered to rule out other causes of discomfort, such as rheumatoid arthritis or a bone fracture.

That is why the question "what is osteoarthritis?" should not be considered only in terms of symptoms. It is important to establish exactly what changes are taking place in your joint. The diagnosis is based on a combination of examination findings and test results, not on how often your knee cracks or how intense the pain is.

## What Should You Eat and Drink If Your Knees Hurt?

Diet cannot restore damaged joint cartilage on its own. However, what you eat affects your body weight, which in turn determines part of the load your knees have to bear every day.

If your weight is above a healthy range, gradually losing weight may reduce the strain on your joints. To do this, it helps to review your usual meals and cut back on regularly eating foods high in sugar and excess calories.

In your everyday diet, give preference to vegetables, fruits, and other foods that help you put together a varied menu. There is no need to turn every meal into a complicated system of restrictions. It is much more useful to develop habits you can maintain over time.

**What foods should you avoid with osteoarthritis?** There is no universal list of forbidden foods for everyone with this diagnosis. However, too many sweets, baked goods, and processed foods can make weight management more difficult. It is therefore sensible to limit them.

Pay particular attention to sugary drinks. They add extra calories but do not always help you feel full. Plain water is a better choice.

**What should you drink if you have osteoarthritis?** First of all, make sure you drink water regularly as part of your daily routine. If you want to add variety to your diet, unsweetened vegetable juices are an option. But you should not think of them as a cure for joint changes.

You should also not count on any single food being able to restore cartilage to its original condition. Diet works together with physical activity, weight management, and medical care.

When choosing what to eat, take your own well-being and any other health conditions into account. For example, if you have dietary restrictions because of another medical condition, general advice may not be suitable for you.

## How Can You Stay Active Without Overloading Your Knees?

Movement is important when you have osteoarthritis, but the intensity should match your abilities. Giving up physical activity altogether is not a good solution. Regular exercise helps maintain overall fitness and preserve your usual mobility.

Start with ordinary walking. If you have not been very active, do not try to cover a long distance straight away. Choose a comfortable pace and suitable footwear, and gradually increase the length of your walks. The important thing is to keep movement manageable rather than turning it into a test for your knees.

**How much should you walk with osteoarthritis?** As a general guideline for adults, doctors recommend at least 150 minutes of moderate aerobic activity per week. You can spread this across short daily walks. During these walks, your pace should be moderate: you should be able to talk without feeling excessively strained.

You do not have to aim for this target immediately if you have been inactive for a long time. Start with an amount of activity you can manage and gradually increase it. Consistency matters more than occasional intense workouts.

Moderate cycling can also be a good addition. It is an aerobic activity recommended for maintaining good health. Choose an intensity that does not put too much strain on your knees.

Do not forget exercises that strengthen the main muscle groups. You can use a specially selected exercise routine that takes your joint condition into account. If movements cause significant discomfort or you find that your usual level of activity has become harder to tolerate, the program should be reviewed.

Along with walking, change a few everyday habits:

- Do not stay in the same position for too long, especially if you spend much of your time at a desk.
- Get up regularly, walk around a little, and stretch your legs.
- If you work sitting down, occasionally straighten your knee gently.
- Adjust the height of your work chair so that you can sit comfortably.
- Wear suitable footwear for walking and everyday activities.
- If necessary, use special aids that reduce the load on your joints.
- Do not return to intense workouts immediately after a knee injury.

Pay attention to your posture and body position during everyday activities. Alternate sitting with short periods of movement. Even small changes to your usual routine can help you distribute physical demands more sensibly.

If you find it difficult to choose suitable exercises on your own, it is helpful to consult a physical therapist. They can put together a program that takes your joint mobility and overall health into account.

## What Do I Recommend for Knee Osteoarthritis?

After more than fifty years of practice, I have developed my own understanding of the relationship between diet, movement, and joint health. I believe that caring for your knees should not be treated as an isolated task. It should be part of changing your everyday habits. Let me share several principles I use in my naturopathic approach.

**My first recommendation is to reduce sugar and white flour.**

I associate excess sugar, white flour, and processed foods with what I call acidification of the internal environment. In my books, I explain that, in my view, this kind of diet puts additional strain on the body and has an unfavorable effect on the condition of the blood vessels and joints.

That is why I advise against making sweets and baked goods the foundation of your daily diet. Instead of your usual sweet snacks, choose vegetables and fruits. I do not recommend simply replacing ordinary candy with so-called diet sweets. I believe this does not solve the problem of excess sugar in the diet.

**My second recommendation is to try food combining.**

In my system, I follow the principle of eating protein-rich and carbohydrate-rich foods at separate meals. I associate this approach with the way digestion works and believe that separating foods in this way helps reduce fermentation processes.

In my books, I write that poorly digested food can put an additional burden on the body. That is why I suggest paying closer attention to food combinations and avoiding the habit of mixing everything together without thought. This is one of the characteristic principles of my naturopathic system; doctors do not consider food combining a necessary part of osteoarthritis treatment.

**My third recommendation is to include fresh vegetable juices in your diet.**

I consider vegetable juices a good addition to a diet aimed at supporting blood vessel and joint health. In my system, I use carrots, celery, beetroot, cucumber, and spinach, paying attention to how different vegetables are combined.

I associate carrot juice with supporting general vitality, celery with what I call reducing acidity, and beetroot and cucumber with supporting the liver and gallbladder. I consider spinach a dietary component that deserves particular attention when caring for digestion.

I recommend treating these drinks as part of a varied diet, not as a way to restore cartilage. You should not replace proper meals or prescribed treatment with juices.

**My fourth recommendation is to use warmth to relax and soothe your joints.**

In my experience, warmth can be a helpful addition when dealing with joint pain and stiffness. In my practice, I use warm baths for joint pain, rheumatism, and muscle tension. I see them as part of a broader wellness approach, not as a standalone treatment for a damaged joint.

I like the idea of taking regular care of your body through small everyday actions. Gentle movement, sensible eating, and a comfortable daily routine are better than trying to change everything in one evening. At the same time, I do not recommend ignoring a decline in your well-being just to stick to a wellness program.

My view of osteoarthritis is connected to my broader system of natural healing. I believe joint health cannot be considered separately from diet, habits, and circulation.

## How Can You Organize Everyday Life When Your Knees Hurt?

When their knees start bothering them, people often cut back on walks, try to move less, and gradually give up activities they used to enjoy. But this approach can lead to even greater limitations in everyday life.

It is better to rethink your daily routine. If your work involves sitting for long periods, take regular movement breaks. Stand up, walk around a little, and stretch your legs. If you have to stand for a long time, try to distribute the load sensibly and alternate activities.

Choose comfortable footwear for walks. It should fit properly and make walking comfortable. Avoid setting off on a long walk in shoes that rub or make you change the way you normally walk.

Household chores also require sensible use of your energy. You do not have to do all the work at once. You can divide it into several parts and alternate tasks that require standing with those you can do while sitting.

If your knee has become harder to bend, do not try to force a greater range of motion. It is better to choose suitable exercises with the help of a specialist. This is particularly important for people who already have significant limitations in joint mobility.

Osteoarthritis treatment usually involves a combination of approaches. Depending on the severity of your symptoms, your doctor may recommend physical activity, weight loss, pain-relieving medication, and a special exercise program with a physical therapist. If conservative measures do not help or the joint is severely damaged, surgery may be considered in some cases.

You should not think of surgery as an inevitable outcome of the disease. But delaying necessary care out of fear of medical procedures is not sensible either. The right option depends on the condition of the particular joint and how much the disease interferes with everyday life.

## When to See a Doctor

When you have knee problems, it is important to distinguish between the gradual symptoms of a chronic condition and situations that require urgent medical attention.

**When should you call an ambulance?**

Call an ambulance immediately if, after a serious injury, your knee is visibly deformed, a bone appears to be out of place, or the injury is accompanied by severe pain and an inability to put weight on your leg normally. Do not try to put the joint back into place or straighten the limb yourself.

Emergency medical attention is also necessary if your knee suddenly becomes very swollen, red, and hot, and you also have a high temperature and feel very unwell. This combination of signs may indicate an acute inflammatory process or a joint infection.

There are also symptoms that should not be attributed to knee problems alone. If you experience chest pain or pressure that spreads to your arm, especially along with cold sweats, shortness of breath, or sudden weakness, call an ambulance immediately. This may be a sign of a heart attack, when every minute counts.

**When should you make a routine doctor's appointment?**

Seek medical advice if knee pain or stiffness persists and does not go away. Do not spend months explaining discomfort away as a result of age or tiredness.

An examination is particularly important if your movements are becoming increasingly restricted and everyday activities are becoming difficult. Your doctor will examine the joint, ask about your symptoms, and determine whether further tests are needed.

Prolonged morning stiffness is also a reason to investigate the cause. This feature may point not to osteoarthritis but to another joint condition. An assessment of the joint is also necessary after a knee injury. Your doctor can determine whether the deterioration is related to damage to the bones or other structures. If your symptoms are severe, additional treatment may be needed. Your doctor may recommend pain relief, exercises with a physical therapist, or other treatment options.

Do not change prescribed medication on your own or replace medical care with home treatments. Diet, walks, and warm baths can complement your overall self-care, but they should never become a reason to refuse necessary treatment.

You can read more about how I approach this subject on the page "[Joints and Spine](/health/sustavy/)".

## From the Editorial Team

This article is based on the books of Dr. Boris Wydoff and medical reference materials about osteoarthritis. Readers should consult a doctor for individual diagnostic and treatment recommendations, as this article is not a substitute for medical advice.

Medical information: [NHS (UK National Health Service)](https://www.nhs.uk/conditions/osteoarthritis/).

## FAQ

**Q: Knee osteoarthritis is traditionally treated with methods that can help support joint health.**
A: Osteoarthritis is a chronic condition in which joint cartilage becomes damaged. It cannot be fully restored through home methods, but appropriate treatment can help reduce symptoms and maintain mobility.

**Q: How can I treat knee osteoarthritis at home?**
A: Start with comfortable physical activity, suitable footwear, and a review of your diet. Gradually increase the length of your walks, add appropriate exercises, and keep your weight under control. Home measures are best combined with your doctor's recommendations, especially if pain makes walking difficult.

**Q: What helps relieve knee pain from osteoarthritis?**
A: Depending on the condition of the joint, pain-relieving medication prescribed by your doctor and a specially designed exercise program may help. Some people also find warmth soothing.

**Q: Can I walk if I have knee osteoarthritis?**
A: Yes. Moderate walking is one of the suitable forms of aerobic activity. As a general guideline, you can aim for gentle daily walks, gradually increasing the amount of activity according to how you feel.

**Q: What foods should I avoid with osteoarthritis?**
A: There is no single list of forbidden foods. It is advisable to limit excess sweets, baked goods, and processed foods, especially if you need to manage your weight.

**Q: Which juice should I drink for osteoarthritis?**
A: You can include fresh vegetable juices made from carrots, celery, beetroot, or cucumber in your diet. They complement your nutrition but do not replace joint treatment.

**Q: Why do knees crack with osteoarthritis?**
A: Cracking or a feeling of friction may accompany changes in the joint. However, the sound alone is not enough to establish a diagnosis. Other symptoms must be assessed, and the joint should be examined.

**Q: What should I avoid doing if I have knee osteoarthritis?**
A: Avoid constantly overloading the joint, giving up movement for long periods, or returning to intense exercise before recovering from an injury. Your activity level should be chosen according to the condition of your knee.


_Educational content; it does not replace medical advice._