What does a torn ACL feel like after a week?
Noah Mitchell
Published Jan 20, 2026
When your ACL tears, you might feel or hear a pop in your knee, or feel like your knee has “given out.” Other symptoms include: Pain. Swelling that starts immediately (but can start four to six hours after the injury) and lasts for two to four weeks. Loss of range of motion in your knee.
Does a torn ACL hurt after a week?
Pain often comes from injury to other structures in the knee that occurs when the ACL tears and the knee shifts. When just the ACL tears, it may not hurt so much and the swelling can settle down after a week or two.
How does an ACL tear feel after a week?
Swelling may last up to a week. Deep, aching pain in the knee. The pain may be worse when walking or climbing stairs. A feeling the knee is “giving out.” Instability may be especially noticeable during activities that strain the knee joint, such as walking downstairs and pivoting on one leg.
Can you walk on a torn ACL after a week?
Can you walk with a torn ACL? The short answer is yes. After the pain and swelling subsides and if there is no other injury to your knee, you may be able to walk in straight lines, go up and down stairs and even potentially jog in a straight line.
What does a partially torn ACL feel like?
A loud pop or a "popping" sensation in the knee. Severe pain and inability to continue activity. Rapid swelling. Loss of range of motion.
32 related questions foundHow do you check for a torn ACL at home?
Try bending your knee and then straightening it out. If you can't bend your knee to a 90 degree angle or straighten out your leg because of pain, stiffness and swelling, then it is likely that you've torn your ACL.
How do I know if I tore my ACL or meniscus?
However, there are some points of difference that can help home in on the problem. After a meniscus tear, it's often quite difficult to fully extend or bend the knee. There can also be a “locking” sensation within the joint and reduced mobility as a result. This doesn't tend to occur with ACL tears.
Where is ACL pain located?
You will likely feel pain in the center of your knee during an ACL tear. Because the MCL is located on the side of your knee, the pain and swelling will be located on the inside of the knee structure rather than the middle.
What does a sprained ACL feel like?
Severe pain. Rapid swelling. A loud “popping” in the knee. Knee instability where the knee feels like it will buckle and cannot support the weight.
Is ACL tear painful?
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.
How long will torn ACL hurt?
It can happen to athletes who play sports like football, basketball, soccer and volleyball, and to those who work physical jobs. There are surgical and nonsurgical treatments. Most people recover from an ACL tear within six to nine months.
Should I go to the ER for a torn ACL?
Get immediate medical attention if the foot is cool and blue after a knee injury. This means that the knee joint may be dislocated, and blood vessels to the foot may be injured. This is a medical emergency.
How do I know if I tore something in my knee?
Symptoms
- A popping sensation.
- Swelling or stiffness.
- Pain, especially when twisting or rotating your knee.
- Difficulty straightening your knee fully.
- Feeling as though your knee is locked in place when you try to move it.
- Feeling of your knee giving way.
How do I know if I tore a ligament in my knee?
You may have:
- Pain, often sudden and severe.
- A loud pop or snap during the injury.
- Swelling within the first 24 hours after the injury.
- A feeling of looseness in the joint.
- Inability to put weight on the joint without pain, or any weight at all.
How do I know if my knee injury is serious?
Call your doctor if you:
- Can't bear weight on your knee or feel as if your knee is unstable or gives out.
- Have marked knee swelling.
- Are unable to fully extend or flex your knee.
- See an obvious deformity in your leg or knee.
- Have a fever, in addition to redness, pain and swelling in your knee.
Can you bend your knee after ACL tear?
Some people find that the knee joint feels looser than it should. Less range of motion. After you damage your ACL, it's very likely that you won't be able to bend and flex your knee like you normally would.
Can you bend your knee with a torn MCL?
Swelling can spread to other areas of the knee joint in the days following the injury. The knee may feel stiff, and a person may have difficulty straightening their leg or bending their knee. They may also find climbing the stairs or sitting in a chair challenging as this requires them to bend their knee.
What is worse torn ACL or MCL?
Treatment for ACL vs MCL Injuries
An ACL tear is more serious than an MCL tear, and may require surgery to repair. Recovery time may be 6 months or more, including rehabilitation. An MCL tear can take around 8 weeks to recover from, but surgery is usually not required.
How do you self diagnose a torn meniscus?
Self tests for a meniscus tear
- Stand on your affected leg.
- Bend it slightly.
- Twist your body away from your leg.
- Twist your body toward the leg.
- Pain on torsion away from the leg may indicate a medial meniscus injury – the inside meniscus.
Where does the knee hurt with a torn meniscus?
Initial symptoms of a torn meniscus include well-localized pain and swelling in the knee. The pain is usually either on the inner or outer side of the knee, not around the kneecap.
How can I tell if I tore my MCL?
If your MCL (medial collateral ligament) is torn, you may experience the following signs and symptoms:
- Hearing a popping sound at the time of the injury.
- Experiencing pain in your knee.
- Having tenderness along the inner side of your knee.
- Having stiffness and swelling in your knee.
How do you sleep with a torn ACL?
How to get a good nights sleep after an ACL surgery
- Ice your knee before bed for 20 minutes. ...
- Sleep in a recliner if you are struggling to get comfortable in bed. ...
- Talk to your doctor about sleep aids if you need them. ...
- Take your pain medication just before bed. ...
- Sleep with a pillow between your knees.
What happens if you don't repair a torn ACL?
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 does a torn ligament feel like in your knee?
The most significant sign of an ACL tear is the popping sound that occurs on contact. The ligament is so strong that the injured person feels when there is a snap or pop. Other signs include swelling, tenderness, and pain in the middle of the knee. Twisting, turning, or extending the knee feels near impossible.
How long does an ACL tear take to heal without surgery?
Non-surgical Treatment
The time it takes to recover is approximately 3 months.