Knee pain is one of the most common joint problems affecting people of all ages, from young athletes to older adults. It can develop suddenly after an injury or gradually due to conditions like arthritis, overuse, or muscle weakness. Along with pain, symptoms such as swelling, stiffness, difficulty walking, or a clicking sensation may also occur. Understanding the causes, warning signs, and risk factors of knee pain can help you seek timely treatment and prevent long-term joint damage.
Why Knee Pain Occurs When Bending?
Bending your knee is something you do countless times a day, while sitting, climbing stairs, squatting, or simply getting up from a chair. So, when pain starts during these everyday movements, it can quickly affect your comfort and mobility. Here is why pain may occur in your knees:
- Patellofemoral Pain Syndrome (Runner’s Knee): When you bend your leg, your kneecap is supposed to slide smoothly along a groove in your thighbone. If your muscles are unbalanced, the kneecap tracks incorrectly, rubbing directly against the bone and causing a dull, aching friction.
- Patellar Tendonitis: Bending stretches the tendon that connects your kneecap to your shin. If this tendon is overworked or inflamed, bending stretches the microscopic tears, triggering a burning sensation.
- Prepatellar Bursitis: The fluid-filled friction pads (bursae) sitting right in front of your kneecap become highly painful and swollen when squeezed during a deep bend.
How Knee Pain in Ladies is Different from Men?
Knee pain in ladies is different from men due to biological anatomy, hormonal changes, and unique muscle mechanics that put significantly more mechanical stress on female joints. The differences come down to four primary factors:
The "Q-Angle" (Anatomical Structure)
Women naturally have a wider pelvis to facilitate childbirth. Because the hips are wider, the thigh bone (femur) angles downward and inward toward the knee at a sharper angle known medically as an increased "Q-angle".
This alignment forces the knees to collapse slightly inward (knock-knees), which concentrates a massive amount of body weight onto the inner side of the knee joint, accelerating cartilage wear.
Men have narrower hips, meaning their thigh bones track in a straighter, vertical line down to their knees, distributing weight much more evenly across the entire joint
Hormonal Fluctuations and Menopause
The female hormone estrogen acts as a natural protector for joint cartilage and helps keep inflammation low. During life events like pregnancy or menopause, estrogen levels drastically drop.
Once menopause hits, women lose this cartilage protection, making women over 50 twice as likely as men to develop severe osteoarthritis. Furthermore, a hormone called relaxin released during menstrual cycles and pregnancy loosens ligaments, causing temporary joint instability.
Muscle Imbalances and Cartilage Density
Women often exhibit a phenomenon called "quadriceps dominance". The muscles on the front of the thigh (quads) are significantly stronger than the hamstrings on the back of the leg. This imbalance pulls the kneecap out of its alignment track during movement.
Men generally possess more balanced muscle mass between their quads and hamstrings, which provides a stronger, more protective "brace" around the knee joint.
At What Age Does Arthritis Start?
Arthritis can start at any age, but the typical onset depends entirely on the specific type of arthritis you have. The age ranges for the most common types of arthritis show how different they can be:
Osteoarthritis (OA): Ages 40 to 55+
This is the most common form of arthritis. It is a degenerative, wear-and-tear condition where the cartilage protecting your bone ends slowly thins out over time.
It can start in your 20s or 30s if you experience Post-Traumatic Arthritis. This happens when a severe joint injury (like an ACL tear, a broken bone, or a bad sports collision) accelerates cartilage damage, causing the joint to age prematurely.
Rheumatoid Arthritis (RA): Ages 30 to 60
Unlike osteoarthritis, RA is a chronic autoimmune disease where your body's immune system mistakenly attacks the healthy lining of your smaller joints (like your hands and feet). It most commonly develops between the ages of 30 and 60.
When it develops in young adults between the ages of 16 and 40, it is clinically termed Young-Onset Rheumatoid Arthritis (YORA).
Psoriatic Arthritis (PsA): Ages 30 to 50
This type of inflammatory arthritis occurs in about one-third of people who suffer from the skin condition psoriasis.
The joint pain, swelling, and morning stiffness typically emerge between the ages of 30 and 50, often developing roughly a decade after the skin plaques first appear.
Ankylosing Spondylitis (AS): Ages 17 to 45
Ankylosing Spondylitis is an inflammatory type of arthritis that primarily targets the spine and sacroiliac joints (where your spine connects to your pelvis). It uniquely targets the young, usually starting under the age of 40, with most people experiencing their first symptoms in their late teens or 20s.
Juvenile Idiopathic Arthritis (JIA): Under Age 16
Arthritis can affect young children and toddlers. Juvenile arthritis is an umbrella term for autoimmune arthritic conditions that trigger joint inflammation and swelling in children under the age of 16.
Which Knee Pain Treatments are Advisable?
Advisable knee pain treatments follow a conservative approach.Advisable treatments are categorised into four distinct stages of care:
First-Line Mainstay Treatments (For All Patients)
These should form the foundation of any knee recovery plan, especially for chronic issues like osteoarthritis:
- Targeted Exercise Therapy: Supervised physiotherapy focusing on strengthening the quadriceps and hamstrings is highly advisable. Stronger thigh muscles act as a natural shock absorber, unloading stress from the joint.
- Sustained Weight Management: For individuals who are overweight, dropping even 5% to 10% of total body weight is clinically proven to significantly scale down knee pain and slow down cartilage breakdown.
- Low-Impact Aerobic Conditioning: Shifting away from high-impact activities (like running on asphalt) toward joint-friendly movements like stationary cycling, swimming, or elliptical training keeps the joint lubricated without aggravating tissue.
Advisable Medications (Symptom Management)
Pharmaceuticals help support your ability to move and do physical therapy, not replace it:
- Topical NSAIDs: Anti-inflammatory gels or patches containing diclofenac are strongly advised as a first-line medical option. Because they are rubbed directly onto the skin, they provide localized pain relief with a much higher safety profile than oral pills.
- Oral Pain Relievers: Short courses of oral nonsteroidal anti-inflammatory drugs (NSAIDs) are recommended during acute painful flare-ups. Regular acetaminophen may be used for mild, daily pain management.
Assistive Devices and Injections (Moderate to Severe Pain)
When basic lifestyle changes and over-the-counter medications are not enough, these secondary therapies are frequently advised:
- Knee Braces or Sleeves: A standard elastic compression sleeve helps control minor swelling. For one-sided knee wear and tear, an unloader brace is highly advisable. It structurally shifts the body’s weight away from the damaged side of the joint.
- Corticosteroid Injections: Cortisone shots injected directly into the knee joint are advisable for fast, short-term relief (typically lasting a few weeks to months) to help a patient push through severe pain and engage in physical therapy.
- Regenerative / Alternative Injections: Therapies like Platelet-Rich Plasma (PRP) or hyaluronic acid (viscosupplementation) are sometimes utilized in clinical settings, though global guidelines view their efficacy as variable compared to cortisone.
Surgical Interventions
Surgery is only advisable when all non-surgical methods fail to provide relief and your quality of life is severely compromised:
- Arthroscopic Surgery: This minimally invasive keyhole procedure is advisable for structural fixes, such as repairing a torn meniscus or reconstructing a torn ACL.
Note: Medical guidelines strongly advise against using arthroscopy to simply "clean out" or wash an arthritic knee, as studies show it offers no long-term benefit for plain wear-and-tear.
- Total or Partial Knee Replacement: Advised for advanced, "bone-on-bone" osteoarthritis. Replacing the worn-out joint with an artificial implant is highly successful at restoring mobility and eliminating chronic pain.
Which Physiotherapy Exercise for Knee Pain is Beneficial?
Physiotherapy exercises can help reduce knee pain by strengthening the muscles that support the joint, especially the quadriceps, hamstrings, and glutes. They improve stability, reduce pressure on the knee, and make everyday movements like walking, climbing stairs, and bending more comfortable. Starting with gentle, low-impact exercises is often the safest and most effective approach.
Quad Sets
Sit or lie down with your legs straight. Place a rolled towel under your knee and tighten your thigh muscles by pressing the knee downward. Hold for 5 seconds and repeat 10 times.
Straight Leg Raises
Lie on your back with one knee bent and the painful leg straight. Slowly lift the straight leg a few inches off the floor, hold briefly, then lower slowly. Repeat 10–15 times.
Clamshells
Lie on your side with knees bent. Keeping your feet together, lift the top knee upward without moving your hips. This helps strengthen the hip and glute muscles.
Pillow Squeezes
Place a pillow between your knees while lying down or sitting. Gently squeeze the pillow, hold for a few seconds, and release. Repeat 10 times.
Supported Mini Squats
Stand holding a chair or countertop for support. Slowly bend your knees slightly and return to standing. Keep movements controlled and pain-free.
Sit-to-Stand Exercise
Sit on a chair and slowly stand up without using your hands. Sit back down with control. This improves knee strength for daily activities.
Hamstring Stretch
Lie on your back and lift one leg using a towel or strap behind the foot. Keep the leg straight until you feel a gentle stretch at the back of the thigh. Hold for 20–30 seconds.
How Artemis Hospitals Provide Knee Pain Solution?
Artemis Hospitals, Gurugram offers a comprehensive and patient-focused approach to knee pain treatment through its specialized Joint Replacement & Orthopaedics Centre. From advanced diagnostic imaging and conservative therapies like PRP, stem cell therapy, and physiotherapy to minimally invasive arthroscopy and robotic-assisted knee replacement surgery, the hospital provides personalized care for every stage of knee problems.
With experienced orthopedic specialists, modern surgical technology, and integrated rehabilitation programs designed to support faster recovery and improved mobility, Artemis Hospitals has become a trusted destination for effective knee pain management and joint care in Gurugram.
Article By Dr. Dheeraj Bhateja
Senior Consultant - Ortho Spine Surgery
Artemis Hospitals
