Did I Tear My ACL or MCL?
If you've experienced a knee injury, you know that the uncertainty can be stressful. You agonize over what you may have done, whether it will heal on its own, or if you'll need surgery.
This is especially true when it comes to ligament injuries such as the ACL (anterior cruciate ligament) and MCL (medial collateral ligament). While only an orthopaedic knee surgeon like Dr. Sterett can make an accurate diagnosis, this article will help you understand each injury's symptoms and treatment options.
ACL vS. MCL: What's The Difference?
Both the ACL and MCL are important stabilizing ligaments in the knee that connect the thigh bone (femur) to the shin bone (tibia).
The ACL, runs at an angle across the front of the knee and plays a significant role in forward and backward movements.
The most common causes of ACL tears are landing from a jump incorrectly or changing direction quickly. Skiing, soccer, football, and basketball are all examples of sports that are known for ACL tears. In addition, female athletes are 4-5 times more likely to tear their ACL than males due to anatomical and performance factors. Read more about the differences in the female ACL.
The MCL is located on the inner side of your knee and is responsible for preventing excessive side-to-side movement.
MCL injuries often happen due to a direct blow to the side of the knee that forces it to bend inward beyond its normal range of motion. This motion commonly occurs in contact sports like basketball or football. Athletes who have to stop or pivot quickly — like soccer players or skiers — are also at risk of MCL tears.
However, even people who don't play sports can be at risk if they lead an active lifestyle. Ultimately, anyone can be susceptible to an ACL and MCL tear if they put enough stress on the knee joint.
Symptoms of ACL and MCL Tears
If you've recently injured your knee, you might be wondering if it's your ACL or MCL. Both will likely result in immediate pain and instability.
Symptoms of an ACL Tear
Commonly hear or feel a loud pop
Severe pain
Unable to put weight on the knee due to joint instability (the knee feels like it might give out)
Swelling (immediate or within several hours)
Reduced range of motion
Symptoms of an MCL Tear
Pain in the inner side of your knee
Feeling like your knee might give out
Can usually walk but may feel unstable or experience a catching sensation
Swelling
Some people experience a popping sound
If you suspect that you have either an ACL or MCL tear, it is important to see an orthopaedic specialist right away. Dr. Sterett, the top ACL surgeon in Eagle County, will perform a physical exam and imaging tests to determine the extent of the injury and the best course of treatment.
Which Is Worse? An ACL or MCL Tear?
There's no question that both ACL and MCL tears can be painful and sideline you from your favorite activities, but which one is worse?
In most cases, the dreaded ACL tear is the more severe injury due to significant instability — even during everyday activities like walking. It will likely require surgery to repair and has a much longer recovery timeline of 6-12 months. Read more about surgical options for torn ACLs.
An MCL tear, on the other hand, while still painful, does not usually result in a complete loss of stability. In fact, nine times out of 10, an MCL tear will heal up on its own without the need for surgery. Treatment for an MCL tear may include rest, ice, compression, and elevation (RICE), as well as physical therapy, with most athletes returning to sport within 2-8 weeks.
If You Think You Have an ACL or MCL Injury
If you are experiencing knee pain or think you may have torn your ACL or MCL, contact Dr. Sterett today! As the U.S. Olympic Ski Team Head Physician and best knee surgeon in the Vail Valley, he understands the importance of getting his patients — both Olympians and weekend warriors — back to participating in the sports they love.
Schedule your in-person or telehealth appointment today by calling (970) 476-7220 or submitting a request using Team Sterett's online contact form.
