Knee Pain: Causes, Symptoms, and Treatment

23/05/2025

Knee pain is a common condition experienced by many people, especially those who are physically active, stand for long periods, or are older. Dull aches or discomfort during knee flexion and extension not only cause inconvenience but can also affect daily activities if not properly managed. Understanding and taking the right care is the key to keeping your legs strong and flexible.

1. Symptoms of Knee Pain

Depending on the cause, knee pain can manifest with symptoms such as:

  • Aching in the knee area

  • Swelling, redness, and warmth when touching the knee

  • Joint stiffness, instability, and limited mobility

  • Crunching or popping sounds during movement

  • Inability to fully straighten the knee

  • Knee joint deformity

One of the most common signs of knee pain is persistent aching in the knee area.

Certain medical conditions or knee injuries can worsen over time and, if left untreated, may lead to joint deformity or even disability. Even minor injuries can increase the risk of future injuries.

2. Causes of Knee Pain

Common causes of knee pain include patellofemoral pain syndrome, sports injuries, juvenile arthritis, Osgood-Schlatter disease, and Sinding-Larsen-Johansson syndrome.

2.1. Patellofemoral Pain Syndrome

This is a common cause of knee pain in young people. It results from muscle imbalances that affect the movement of the knee joint. Weak thigh muscles or overly tight surrounding muscles/tendons can alter the way the knee functions, putting pressure on the joint and potentially leading to inflammation and pain around the kneecap or the front of the knee.

2.2. Sports Injuries

Sports injuries are a major cause of knee pain in younger individuals. Sports such as tennis, football, and basketball involve frequent running, which can stress the knees. Common injuries include:

  • Torn meniscus

  • Torn ligaments

  • Tendonitis

  • Synovitis

  • Dislocated kneecap

2.3. Juvenile Arthritis

This condition causes pain, swelling, stiffness, and reduced joint mobility. It is often seen in:

  • People who are overweight, as extra body weight increases pressure on the knees

  • Those who frequently run, jump, twist, or perform high-impact movements

2.4. Osgood-Schlatter Disease

This condition causes pain below the kneecap and is more common in males due to excessive thigh muscle activity.

2.5. Sinding-Larsen-Johansson Syndrome

This syndrome involves inflammation, pain, and discomfort at the lower part of the kneecap, caused by prolonged repetitive thigh muscle contractions.

3. Treatment for Knee Pain

What should you do if you have knee pain? Treatment options depend on the cause and severity of the pain. Some effective methods include physical therapy, oral medication, injections, or surgery.

3.1. Physical Therapy

Physical therapy strengthens the muscles around the knee to enhance stability. Exercises vary based on the specific cause of the pain.

Physical therapy strengthens the muscles around the knee to enhance stability.

3.2. Oral Medication

Doctors may prescribe pain relievers or anti-inflammatory drugs to ease discomfort and treat underlying conditions like gout or rheumatoid arthritis.

3.3. Injections

In certain cases, doctors may administer injections directly into the joint. Common options include corticosteroids, hyaluronic acid, or platelet-rich plasma (PRP).

3.4. Surgery

For severe injuries, surgery may be required. Common surgical procedures include:

  • Arthroscopy

  • Partial knee replacement

  • Total knee replacement

  • Osteotomy

You can also relieve pain at home with temporary measures like hot or cold compresses and gentle massage to relax the joint.

4. Preventing Knee Pain

  • Maintain a healthy weight: Excess weight increases pressure on joints and the risk of osteoarthritis and injuries.

  • Warm up properly before sports: Always perform proper warm-up exercises, especially for high-intensity sports.

  • Keep muscles flexible: Practice yoga or visit reputable health centers for advanced leg therapy.

  • Pay attention to pain: Avoid continuing any activity that worsens or causes knee pain.

Advanced leg therapy helps improve muscle flexibility and joint health.

If you’re experiencing persistent knee pain, don’t ignore the signs that your body needs rest and recovery. Let Fuji Spa Center’s leg therapy services help relieve joint pressure, improve circulation, and restore your mobility. Book your appointment today and feel the difference from the very first session.

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Fuji Spa Center – Crafting a Healthy Lifestyle and Long-Lasting Wellness

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