Knee Pain: Causes, Treatment, and Prevention

Knee pain is one of the most common musculoskeletal complaints, affecting people of all ages — from young athletes to older adults with degenerative conditions. The knee is the largest joint in the body and bears significant weight during standing, walking, running, and climbing. Given its complexity and the demands placed upon it, it is no surprise that knee problems are widespread.

At Actilife Physiotherapy in Faridabad, we treat a wide range of knee conditions using evidence-based approaches. Whether your knee pain is from an acute injury, overuse, or a chronic condition like arthritis, physiotherapy offers effective, non-surgical options for relief and recovery.

In this guide, we cover the common causes of knee pain, how physiotherapy can help, and practical strategies for prevention.

Common Causes of Knee Pain

Knee pain can arise from various structures within and around the knee joint. Accurate diagnosis is crucial for effective treatment.

Patellofemoral Pain Syndrome (Runner's Knee)

This is one of the most common causes of knee pain, particularly in runners, cyclists, and active individuals. It involves pain around or behind the kneecap, caused by poor tracking of the patella within the femoral groove. Contributing factors include weak quadriceps, tight hamstrings, and poor foot biomechanics.

Osteoarthritis

Age-related wear and tear of the knee joint cartilage is a leading cause of knee pain in adults over 50. The cartilage that cushions the joint gradually erodes, leading to bone-on-bone contact, pain, stiffness, and reduced mobility. Physiotherapy is highly effective for managing osteoarthritis symptoms and delaying or avoiding joint replacement surgery.

Meniscal Tears

The menisci are C-shaped cartilage discs that act as shock absorbers in the knee. A tear can occur from a sudden twist or pivot, especially during sports. Symptoms include pain, swelling, clicking, and a sensation of the knee locking or giving way.

Ligament Injuries (ACL, MCL, LCL)

Ligament injuries are common in sports involving sudden stops, direction changes, or direct impact. The ACL (anterior cruciate ligament) is the most commonly injured. These injuries often cause significant pain, swelling, and instability.

Patellar Tendinopathy (Jumper's Knee)

Overuse of the patellar tendon, which connects the kneecap to the shinbone, causes pain at the front of the knee just below the kneecap. It is common in sports involving jumping, such as basketball and volleyball.

Bursitis

Inflammation of the fluid-filled sacs (bursae) around the knee can cause localized pain and swelling. Prepatellar bursitis (housemaid's knee) is common from prolonged kneeling.

Physiotherapy Treatment for Knee Pain

Physiotherapy is one of the most effective treatments for knee pain, addressing both symptoms and underlying causes. At Actilife, our comprehensive approach includes:

Manual Therapy

Hands-on techniques including joint mobilisation to improve knee range of motion, soft tissue release for tight muscles around the knee, and patellar mobilisation to improve kneecap tracking.

Strengthening Exercises

Targeted strengthening of the quadriceps, hamstrings, glutes, and calf muscles is the cornerstone of knee rehabilitation. Strong muscles support and protect the knee joint. We prescribe specific exercises based on your condition, progressing from isometric to dynamic and functional movements.

Gait and Biomechanical Analysis

We analyze your walking and running patterns to identify abnormal movement patterns that contribute to knee pain. Correcting these through gait retraining, footwear advice, and orthotics can significantly reduce pain.

Modalities for Pain Relief

IFT, TENS, ultrasound, and ice or heat therapy may be used in the early stages to reduce pain and inflammation, making it easier to begin exercise.

Balance and Proprioception Training

Injuries and pain can impair your sense of joint position (proprioception), increasing the risk of re-injury. Balance exercises and single-leg stabilization training restore this important function.

Exercises for Knee Pain Relief

These exercises are commonly prescribed for knee pain. Always start gently and stop if you feel sharp pain.

Quadriceps Set

Sitting or lying with your leg straight, tighten your thigh muscle by pressing the back of your knee down. Hold for 5-10 seconds and release. This is a safe starting exercise for most knee conditions.

Straight Leg Raise

Lying on your back with one knee bent and the other straight, lift the straight leg to the height of the bent knee. Lower slowly. This strengthens the quadriceps without stressing the knee joint.

Clamshell Exercise

Lying on your side with knees bent at 45 degrees, keep your feet together and lift your top knee while keeping your pelvis stable. This strengthens the hip abductors, which play a crucial role in knee alignment.

Glute Bridge

Lying on your back with knees bent, lift your hips toward the ceiling while squeezing your glutes. This strengthens the posterior chain and reduces load on the knee.

Step-Ups

Using a low step, step up with your affected leg and slowly lower down. This is an excellent functional exercise that strengthens the quadriceps and glutes while simulating daily activities.

Preventing Knee Pain

Prevention is always better than treatment. Here are strategies to keep your knees healthy:

• Maintain a healthy body weight — every kilogram of body weight places approximately 4 kilograms of force on the knee joint during walking
• Strengthen your leg muscles — particularly quadriceps, hamstrings, glutes, and calves
• Wear appropriate footwear with good arch support and cushioning
• Warm up properly before exercise and cool down afterward
• Increase training intensity and volume gradually — no more than 10% per week
• Include low-impact cross-training such as swimming or cycling alongside higher-impact activities
• Address muscle imbalances and movement dysfunctions early with a physiotherapist

Additionally, listening to your body is crucial. Pain during activity is a signal that something is wrong — pushing through pain often makes the condition worse. If you experience persistent knee pain, early intervention with a physiotherapist can prevent a minor issue from becoming a chronic problem. At Actilife, we recommend annual movement screening for athletes and active individuals to identify and address biomechanical issues before they cause injury.