PCL Injury
A PCL (Posterior Cruciate Ligament) injury affects the ligament at the back of the knee that helps control backward movement of the shin bone. It is less common than ACL injuries and often occurs from direct impact to the knee.
Quick Facts
- Less common than ACL injuries
- Located at the back of the knee
- Often caused by direct trauma
- May be harder to detect initially
- Many cases improve without surgery
Symptoms
Symptoms may be subtle at first and can include:
- Knee pain, especially in the back of the knee
- Swelling
- Feeling of instability or weakness
Some people may have difficulty walking downhill or going down stairs. PCL injuries can sometimes be mistaken for general knee sprains or other ligament injuries.
Causes
PCL injuries are often caused by force pushing the shin backward.
Common causes include:
- Falls onto a bent knee
- Motor vehicle accidents (dashboard injury)
- Sports-related contact
Risk Factors
You may be at higher risk if you:
- Participate in high-impact sports
- Experience trauma or falls
- Have previous knee injuries
Treatments
Many PCL injuries can be managed without surgery.
Treatment includes rest, bracing, and physical therapy to strengthen surrounding muscles and stabilize the knee. Surgery may be considered in more severe or combined injuries.
Recovery timeline for PCL injuries
- Mild to moderate: ~4–8 weeks
- More severe injuries: ~2–3 months
- Surgical cases: ~6–9 months
When to Seek Care
Seek care if you have persistent knee pain, instability, or difficulty with movement. Specialists, such as sports medicine specialists, orthopedic surgeons, and physical therapists, may be referred to assist.
