What is Chondromalacia Patella?
Chondromalacia Patella, also known as Patellofemoral Pain Syndrome, is a condition characterized by the softening, degeneration, or damage of the cartilage beneath the kneecap (patella). This cartilage normally allows smooth movement of the patella over the femur during knee motion.
When this cartilage becomes irritated or worn down, it leads to pain, inflammation, and difficulty with activities involving knee bending.
Unlike acute injuries, this condition typically develops gradually due to overuse, muscle imbalance, or improper alignment of the knee joint.
At Physiotherapy Expert, we approach Chondromalacia Patella through the concept of Patellofemoral Joint Optimization and Muscle Rebalancing. The focus is not just on relieving pain, but on correcting the underlying biomechanical issues to restore smooth and pain-free knee function.
Understanding the Anatomy and Condition
The patella (kneecap) sits within a groove at the end of the femur and glides smoothly during knee movement.
In Chondromalacia Patella:
- The cartilage under the patella softens or deteriorates
- The patella does not track properly in its groove
- Friction increases during movement
This results in irritation, inflammation, and pain, especially during activities that load the knee joint.
Types of Chondromalacia Patella
The condition can be classified based on cartilage damage severity:
Grade 1 (Mild)
- Softening of cartilage
- Minimal symptoms
Grade 2 (Moderate)
- Partial cartilage damage
- Increased pain with activity
Grade 3 (Advanced)
- Fissuring or fragmentation of cartilage
- Significant discomfort
Grade 4 (Severe)
- Complete cartilage loss
- Bone-on-bone contact
Understanding Severity and Functional Impact
Severity depends on cartilage damage and knee mechanics:
- Mild Cases: Occasional discomfort during activity
- Moderate Cases: Pain during daily activities like climbing stairs
- Severe Cases: Persistent pain and limited mobility
Early intervention helps prevent progression.
Common Causes of Chondromalacia Patella
The condition usually results from biomechanical and functional issues:
– Weak quadriceps (especially VMO)
– Tight hamstrings or IT band
– Running, jumping, or repetitive knee bending
– Abnormal tracking of the patella
– Direct injury to the kneecap
– Altered lower limb alignment affecting knee loading
Symptoms: Recognizing the Signs
Symptoms develop gradually and worsen with activity.
Pain Symptoms
- Dull, aching pain in front of the knee
- Pain during stair climbing or squatting
Functional Symptoms
- Difficulty sitting for long periods (theater sign)
- Pain when standing up from sitting
Movement Symptoms
- Grinding or clicking sensation (crepitus)
- Stiffness in the knee
Diagnosis: Clinical Approach
At Physiotherapy Expert, diagnosis includes:
- Physical Examination: Knee alignment and movement
- Patellar Tracking Assessment
- Functional Tests: Squatting and step-down tests
- Imaging: MRI (to assess cartilage damage)
Physiotherapy Treatment: 12-Week Rehabilitation Protocol
Treatment focuses on reducing pain and correcting biomechanics.
Phase 1: Pain Relief & Inflammation Control (Weeks 1–4)
Goals: Reduce pain and swelling
and protect the knee joint
Treatment includes:
- Activity modification
- Ice therapy
- Gentle mobility exercises
- Taping for patellar alignment
Phase 2: Muscle Strengthening & Alignment (Weeks 4–8)
Goals: Improve muscle balance and correct patellar tracking
Key interventions:
- Quadriceps strengthening (VMO focus)
- Hip and glute strengthening
- Stretching tight muscles
Phase 3: Functional Training & Prevention (Weeks 8–12)
Goals: Restore full function and prevent recurrence
Training includes:
- Functional exercises (squats, lunges)
- Proprioception and balance training
- Activity-specific rehabilitation
Advanced Therapy Techniques
- Kinesiology taping
- Neuromuscular Electrical Stimulation (NMES)
- Ultrasound therapy
- Biomechanical correction strategies
Potential Complications
If untreated, Chondromalacia Patella may lead to:
- Chronic knee pain
- Reduced activity levels
- Osteoarthritis
- Long-term cartilage damage
FREQUENTLY ASKED QUESTIONS
Yes, it is commonly referred to as runner’s knee.
With proper physiotherapy, symptoms can be effectively managed and often resolved.
Deep squats, prolonged sitting, and high-impact activities during early recovery.
Most patients improve within 8–12 weeks with consistent rehabilitation.
RELATED CONDITIONS
- Patellofemoral Pain Syndrome
- Osteoarthritis
- Iliotibial Band Syndrome