Why knee pain is no longer just an ‘old age’ issue

Not too long ago, knee pain was considered an inevitable part of growing older. It was something associated with grandparents, not young professionals or college students. Today, however, that perception has changed dramatically. 

In my orthopaedic practice, I increasingly meet patients in their twenties, thirties and early forties who complain of persistent knee pain, difficulty climbing stairs, stiffness after long hours of work, or discomfort while exercising. Many are shocked when they learn that the early signs of joint wear and tear, or osteoarthritis, can begin much earlier than expected.

So, what has changed? The answer lies largely in the way we live.

Modern lifestyles have become increasingly sedentary. Most of us spend hours seated at our desks, working on computers or scrolling through our mobile phones, with very little movement in between. When the muscles around the knee, especially the quadriceps and hamstrings, become weak due to inactivity, they are no longer able to support the joint effectively. As a result, the knee bears greater stress, making it more vulnerable to pain and long-term damage.

Body weight is another major contributor. Every extra kilogram we carry places several times more force on our knees during everyday activities such as walking, climbing stairs or getting up from a chair. Over time, this constant excess pressure accelerates the wear of the joint cartilage. With obesity becoming increasingly common among younger adults because of unhealthy diets, processed foods and reduced physical activity, knee problems are appearing at much earlier ages than they once did.

Ironically, while a lack of exercise is harmful, excessive or improper exercise can also lead to joint problems. More young adults are participating in gyms, marathons and recreational sports than ever before, which is undoubtedly a positive trend. However, exercising without proper technique, skipping warm-up sessions or pushing the body beyond its limits can result in ligament tears, meniscus injuries and cartilage damage.

These injuries may heal, but they also increase the likelihood of developing arthritis later in life if not managed appropriately.

Our everyday habits also play a bigger role than most people realise. Standing for prolonged periods, sitting with poor posture, wearing unsupportive footwear or high heels regularly, and ignoring proper ergonomics at work all place unnecessary stress on the knees. These small, repetitive strains may not cause immediate pain, but over the years,  they gradually affect the health of the joint.

Nutrition is another often-overlooked factor. Deficiencies of Vitamin D and calcium have become increasingly common, particularly among people who spend most of their time indoors. Strong bones form the foundation of healthy joints, and inadequate nutrition can contribute to reduced bone density and early joint degeneration. Likewise, diets high in processed foods and refined sugars may promote chronic inflammation, which can further affect joint health.

Not all knee pain, however, is related to lifestyle alone. Certain medical conditions, including Rheumatoid Arthritis and Gout, can affect younger individuals. A family history of arthritis may also increase one’s risk, making it even more important to seek medical advice when knee pain persists rather than dismissing it as a temporary problem.

The encouraging news is that most cases of early knee degeneration can either be prevented or significantly delayed through simple lifestyle changes. Maintaining a healthy body weight is perhaps the single most effective way to reduce stress on the knees. Regular strengthening exercises for the thigh and hip muscles provide essential support to the joints, while low-impact activities such as walking, swimming and cycling help improve fitness without placing excessive strain on the knees.

Equally important is avoiding prolonged sitting. Taking a short walk or stretching every 45 minutes can make a remarkable difference to muscle strength and joint mobility. Wearing footwear with good arch support, following a balanced diet rich in calcium, Vitamin D and Omega-3 fatty acids, and performing proper warm-up exercises before sports or gym workouts are all simple measures that help protect the joints over the long term.

Perhaps the most important advice is not to ignore persistent symptoms. Pain, swelling, stiffness or a feeling that the knee is giving way should never be considered a normal part of daily life, especially in younger adults. Early diagnosis often allows for conservative treatment through physiotherapy, exercise and lifestyle modification, preventing the need for more complex interventions later.

Knee pain is no longer a condition that belongs only to old age. It has become a consequence of modern living, affecting people during some of the most active years of their lives. The good news is that our joints respond remarkably well to proper care. By making healthier choices today, staying active, maintaining a healthy weight, eating well and listening to our bodies, we can preserve our knee health for years to come.

After all, our knees carry us through every stage of life. Looking after them today is one of the best investments we can make in our future health and independence.

The author is an Orthopaedic Surgeon and Founder of Shri Physio and Rehab, Adyar. 

The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.