Does ACL need surgery?
James Craig
Published Jan 14, 2026
ACL injuries can either be complete or partial. While complete ACL tears almost always require surgery, partial ACL tears may be treated effectively with nonsurgical methods. ACL tears are graded by severity and are called sprains (a sprain is a stretch or tear in a ligament).
Can an ACL tear heal without surgery?
Without surgery, your ACL will remain torn. The knee might heal—the swelling and pain will stop. But a torn anterior cruciate ligament does not reattach or heal itself.
Can you avoid ACL surgery?
July 21, 2010 -- Many patients with a torn ACL -- the ligament that stabilizes the knee -- may avoid surgery by delaying the operation and first giving physical therapy a try. One of the most feared sports and work injuries is a torn anterior cruciate ligament or ACL.
What happens if you tear your ACL and don't have surgery?
If nothing is done, the ACL injury may turn into chronic ACL deficiency. Your knee may become more and more unstable and may give out more often. The abnormal sliding within the knee also can hurt cartilage. It can trap and damage the menisci in the knee and can also lead to early osteoarthritis.
What happens if you don't fix an ACL?
Untreated ACL injuries accelerate the development of osteoarthritis. Without proper support from the ACL, the articular cartilage starts to break down at a more rapid pace than normal. Following your knee injury, bleeding can occur inside the joint. You may or may not have signs alerting you to the problem.
32 related questions foundIs an ACL tear serious?
One of the most feared sports and work injuries is a tear of the anterior cruciate ligament (ACL), which has ended or derailed the careers of numerous high-profile athletes. A torn ACL is very painful and can debilitate a person for several months and perhaps for life, although recovery for some is possible.
Can I live with torn ACL?
Can I live a normal life with an ACL tear? Yes, but it may take some time before you're completely back to how you were before the injury. Whether you choose to have surgery or not, with physical therapy you will eventually be back to normal and able to live your life.
How long can you delay ACL surgery?
A delay of more than six months increases the risk of further damage and degeneration of the involved knee.
How long is ACL recovery?
An ACL tear recovery time is generally eight to nine months, though some people may recover in six months.
How do I know if my ACL is torn?
Signs and symptoms of an ACL injury usually include:
- A loud pop or a "popping" sensation in the knee.
- Severe pain and inability to continue activity.
- Rapid swelling.
- Loss of range of motion.
- A feeling of instability or "giving way" with weight bearing.
How can I heal my ACL faster?
Tips for Healing Faster after ACL Surgery
- Physical therapy. A physical therapy program designed specifically for you will help you recover function, mobility, and strength. ...
- Cryotherapy. ...
- Bracing. ...
- Rest.
Do I need an ACL?
The rationale for surgical treatment of an ACL tear was that the ACL is vital for knee function and that in the long term ACL deficiency will lead to more injuries of the meniscus and more degeneration of the joint.
Can ACL grow back?
So can the ACL grow back? We've seen excellent results on post-injection MRIs that support that concept. In addition, these results fit with how these patients respond physically in that most return to full sporting activities. This has provided more evidence that the ligament can grow back.
How can I strengthen my ACL without surgery?
Perform stretching program daily. Cardio program is recommended 3-5 times a week for 20-40 minutes Perform strengthening/proprioception exercises 3 times a week. Perform plyometric/jumping/agility exercises 2 times a week. Perform return to sport activities as directed by physician and physical therapist.
How painful is ACL surgery?
Most people have some surgery-related pain and discomfort for the first week or so. Not surprisingly, pain decreases with time. By the end of a week or two at the most, you should have very little discomfort. Swelling and bruising are also relatively common, and like discomfort, they're temporary.
Is ACL surgery successful?
Historically, ACL reconstruction has been a successful operation, with satisfactory outcomes in 75% to 97% of patients (4, 5). However, with the number of primary procedures being performed increasing each year, the absolute number of graft failures after ACL repair is also rising.
How much is ACL surgery?
It will cost approximately $20,000 to $50,000 to pay for the surgeon fee, facility fee, anesthesia and graft. Additional costs include medical equipment such as knee braces and crutches which will add an extra $500. Physical therapy adds a cost of $1,000.
How Long Does ACL take to heal without surgery?
Non-surgical Treatment
The recovery time is shorter when using rehabilitation and will need to be monitored by your orthopedist. The time it takes to recover is approximately 3 months.
Should I walk with an ACL tear?
With ACL tears, walking is possible but can be painful. The patient should be able to walk in a straight line but will be unable to make sudden turns or pivot. A knee brace can help stabilize the knee, but with ACL tears, surgery is almost always required.
Can you run with ACL?
If you are wondering, "Can I run again with an ACL tear?" Rest assured, running with an ACL tear is possible if the knee is stable and has proper strengthening to allow the muscle to support the knee.
Where is ACL pain?
ACL tear pain location
If you tear your ACL, it's probably going to hurt. Some people only feel mild pain. But in many cases, an ACL tear is going to hurt a lot. You'll typically feel the pain coming from the center of your knee.
What is ACL test?
The Anterior Drawer Test for anterior cruciate ligament (ACL) stability is a special test for your knee. It is designed to help you or your healthcare provider determine if you have sprained or torn your ACL. (A sprain is a tear to a ligament. The terms "ligament tear" and "sprain" are used interchangeably.)
How can I heal my ACL naturally?
model of self-care at home:
- Rest. General rest is necessary for healing and limits weight bearing on your knee.
- Ice. When you're awake, try to ice your knee at least every two hours for 20 minutes at a time.
- Compression. Wrap an elastic bandage or compression wrap around your knee.
- Elevation.
When is the ACL at its weakest?
The graft complex is actually at its weakest at around the 6 week post operative mark. Kinematic research has shown that open chain exercises cause significantly more anterior tibial displacement and hence more strain on the graft than closed chain exercises.
Why are ACL injuries so serious?
Without an ACL, the knee is very unstable (and weak) during lateral movement. This is why some players that depend on quick, rapid side movements can't play with an injured ACL, while others who move mainly forward and backward with less lateral motion have a better chance to wear a brace and continue play.