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Doctor insights on: Acl Anterior Cruciate Ligament Injury

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What could cause anterior cruciate ligament (acl) injury ?

What could cause anterior cruciate ligament (acl) injury ?

Knee hyperextension: The ACL may tear when certain movements of the knee place a great strain on the acl. Hyperextension of the knee, that is, if the knee is straightened more than 10 degrees beyond its normal fully straightened position, is a very common cause of an torn acl. This position of the knee forces the lower leg excessively forward in relation to the upper leg. Pivoting injuries of the knee with exc. ...Read more

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Dr. Laurence Badgley
205 doctors shared insights

Ligament Injuries (Definition)

Ligament injuries run the full spectrum from being sprained to being completely torn. Sprains are routinely graded as 1, 2 or 3. Grade 1 & 2 sprains represent ligaments that are intact, but not functioning normally either by causing pain with use (grade 1), or pain and mild looseness or laxity (grade 2). Grade 3 sprains are complete ...Read more


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What does anterior cruciate ligament ACL injury feel like?

What does  anterior cruciate ligament ACL injury feel like?

Giving way: Classically people describe a buckling, twisting, or giving way episode in the knee, with a popping feeling. Sometimes the pop is audible. Commonly there is swelling, limited ability to walk, and then associated stiffness+pain; as swelling goes down, pain will go away, but instability (wobbly/buckling) feeling with quick changes of direction persists; some people have minimal pain/swelling. ...Read more

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How severe is a torn anterior cruciate ligament (acl) injury?

How severe is a torn anterior cruciate ligament (acl) injury?

Significant: Acl tear is a significant injury to the knee. It can significantly affect the function of the knee. Especially pivoting activities. Acl injury can occur in motor vehicle accidents, falls, and most commonly in sports. The acl can tear in an injury involving knee contact with someone or something or without any knee contact. Acl is generally fixed to restore the best possible function to your knee. ...Read more

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What causes the pain with an anterior cruciate ligament (acl) injury?

What causes the pain with an anterior cruciate ligament (acl) injury?

Meniscal tears.: You may have associated meniscal tears, that can be responsible for the pain. Or, the swelling of the knee itself, can be causing the pain. ...Read more

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What are the common symptoms of anterior cruciate ligament (acl) injury ?

Pain & Instability: Acl tears typically are painful, cause knee swelling, and cause the sensation of instability in the knee. ...Read more

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What are the causes of the pain in an anterior cruciate ligament (acl) injury?

Swelling/bone bruise: Initial pain after tearing your acl is due to 3 main reasons. 1) bleeding from the tear fills the knee exerting pressure on the capsule which is very sensitive to pressure. 2) the forces that cause the tear cause the femur and tibia to smack together leaving characteristic bone bruises in the femur and tibia. 3) additional injuries, most commonly meniscus tears can add to the pain of acl injury. ...Read more

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Dr. Amir Khan Dr. Khan
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How can you prevent anterior cruciate ligament (acl) injury ?

Dr. Amir Khan Dr. Khan
2 doctors agreed:
How can you prevent anterior cruciate ligament (acl) injury ?

Train neuromuscular: There is evidence to show that neuromuscular training including plyometrics, balance, and technique training, as well as heightened awareness of injury biomechanics, reduce the risk of serious injury in female athletes. What specific exericises, sequence, intensity and duration remains unknown. ...Read more

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What is the treatment for anterior cruciate ligament (acl) injury?

What is the treatment for anterior cruciate ligament (acl) injury?

Most choose surgery: Sugical reconstruction is the most common treatment, although some will elect to only treat with physical thearpy. When pursuing surgery there are many graft options, but despite which one the surgeon may use the procedure includes putting tunnels in the bones of the knee and threading the graft through to replace the original ligament. Trying to reconnect the ends of the original lig doesn't work. ...Read more

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How long does it take to recover from a anterior cruciate ligament (acl) injury and to be able to play sports?

How long does it take to recover from a anterior cruciate ligament (acl) injury and to be able to play sports?

Depends: There are many variables that will effect the time necessary to recover enough to return to sports including the graft used, fixation techniques and the biases of the surgeon. Because some studies suggest return to sports prior to 9 months post surgery may increase the risk of reinjury, i prefer to have my patients wait 9 months. That is not to say some athletes have been able to return quicker. ...Read more

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What is done for an anterior cruciate ligament injury?

Torn or sprained?: It depends on if it was fully torn or sprained. If fully torn, may need arthroscopic acl reconstruction (surgery via 'scope'). If sprained, can rehab with physical therapy and use a knee brace. ...Read more

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What are the tests for anterior cruciate ligament injury?

What are the tests for anterior cruciate ligament injury?

PE and MRI: The first step is checking for an acl injury is talking to the patient about their injury and doing a good physical exam of the knee (pe). At this point, most skilled doctors will have a strong suspicion that the acl is torn. X-rays are usually done to make sure there isn't a bad bone injury. Often a MRI is obtained to confirm the diagnosis and look for other, associated injuries. ...Read more

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What are the symptoms of anterior cruciate ligament injury I should be looking for?

What are the symptoms of anterior cruciate ligament injury I should be looking for?

Instability: The hallmark of an acl deficient knee is instability or giving way of the knee with higher level activities involving cutting, jumping, pivoting, etc. Some individuals may experience this with routine day to day activities. The initial injury is often described as feeling a "pop" in the knee and followed by development of considerable swelling and variable pain. ...Read more

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What does it mean for walking when anterior cruciate ligament injury?

What does it mean for walking when anterior cruciate ligament injury?

Difficulty: One can have pain with walking and especially going up and down steps. There may be decrease in range of motion, swelling, effusion. There may also be locking of knee and giving out of knee. ...Read more

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My daughter has anterior cruciate ligament injury. How will this affect her?

My daughter has anterior cruciate ligament injury. How will this affect her?

Depends: In general it leads to instability of the knee when completely torn and should be repaired or braced to avoid furthervinjury to other structures in her knee. If only the posterior bundle is injured, however, the knee remains stable. The most important factor is her age. If she is past maturity above applies, otherwise she may respond to primary repair. ...Read more

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What are the common signs and symptoms of an anterior cruciate ligament injury?

What are the common signs and symptoms of an anterior cruciate ligament injury?

Pain, swelling: The majority of ACL tears are noncontact injuries. The classic history is when a person plants and twists a leg, or rapidly changes directions and then hears or feels a pop in the knee. Initial pain tends to be severe, but in some, only lasts a few minutes. Swelling tends to occur within the first hour and most limp for days to weeks. The knee then often gives out or buckles, signs of instability. ...Read more

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It's possible that 5 five years old anterior cruciate ligament injury cured now?

It's possible that 5 five years old anterior cruciate ligament injury cured now?

ACL Reconstruction: Yes, you can still have an acl reconstruction. Acl tears do not heal on their own & having it replaced can help you maintain a healthy/ active lifestyle in the years to come. The acl is a major knee stabalizer, and can provide security to your knee that may prevent further damage to nearby tendons, ligaments, muscles, articular cartilage, meniscus, & bones when compared to a "loose knee" ...Read more

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How do you treat an anterior cruciate ligament injury?

How do you treat an anterior cruciate ligament injury?

Reconstruct if torn: Most anterior cruciate ligament injuries that are complete tears end up being reconstructed by bringing in new tissue to rebuild the torn ligament and to hopefully return full function to the knee and injured patient. ...Read more

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How long should anterior cruciate ligament injury last?

How long should anterior cruciate ligament injury last?

Depends: If a complete acl tear is not surgically reconstructed, the injury never heals back together. Sometimes without surgery, patients have enough stability to function fairly well. Surgery is performed when indicated to reconstruct the torn ligament. ...Read more

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My son has anterior cruciate ligament injury. Is that something serious?

My son has anterior cruciate ligament injury. Is that something serious?

Would depend on trea: This would depend on treatment options you choose. The cruciate injury is a major debilitating injury that can be rehabbed to about 80% of pre injury status when properly evaluated and treated. Would suggest that he be seen by a specialist as soon as possible. ...Read more

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Which is the best exercise to do after an anterior cruciate ligament injury?

Which is the best exercise to do after an anterior cruciate ligament injury?

Follow surgeons prog: Most acl surgeons have their own protocols that u need 2 follow. Any advice u get here may not b the same as ur surgeon recommends. Not a good policy 2 advise u as it could cause a conflict with ur surgeon ; this is not what we're here 4. ...Read more

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What are the best exercises to do after an anterior cruciate ligament injury?

Hamstring exercises: The anterior cruciate ligament (acl) works with the posterior cruciate ligament (pcl) to stabilize the knee. The ACL keeps the shin bone from sliding forward (anteriorly) and the PCL keeps it from sliding backwards. When ACL is torn the shin bone will slide anteriorly. The hamstrings attach to the back of the knee and act as flexors, but will also help keep the shin bone from sliding forward. ...Read more

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How will having anterior cruciate ligament injury affect my long-term health?

How will having anterior cruciate ligament injury affect my long-term health?

Depends on multiple: Anyone with a cruciate injuriy responds differently depending on a lot of factors, like age activity/demand levels; athletic status overall and specifically the status and shape of the quadriceps and hamstring muscles and also concurrent injury to other knee structures. ...Read more

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I think my child may have anterior cruciate ligament injury. What would that mean?

I think my child may have anterior cruciate ligament injury. What would that mean?

Orthopedic consult: The anterior cruciate ligament is a key ligament in the knee for stability both going front and back as well as rotationally. Your child would have complaints of giving way, pain, swelling and lack of confidence in using that knee during activity. I recommend you see your local orthopedic surgeon and if possible one fellowship trained in sports medicine. ...Read more

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What can I do to decrease the odds of developing anterior cruciate ligament injury?

What can I do to decrease the odds of developing anterior cruciate ligament injury?

Optimize mechanics: In young females there is good evidence that therapy programs designed to optimize knee/body mechanics with activities that involve cutting and jumping can reduce the incidence of acl injuries. Developed programs are more likely found around larger cities. Alternatively one could avoid activities associated wtih higher incidence of acl injury (basketball, soccer, football, down-hill skiing, etc). ...Read more

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How long does it take to recover completely from a anterior cruciate ligament injury?

How long does it take to recover completely from a anterior cruciate ligament injury?

Variable time: If you choose non-operative treatment, usually within 6 wks the swelling will gone and the motion will be normal if you work at it. Regaining full strength may take several months. If you continue to play sports after this you may still have a very unstable knee as a complete acl tear does not heal. If surgery is chosen, the typical time for full safe return to sports is around 9 mos to 1 year. ...Read more

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My sister was diagnosed with anterior cruciate ligament injury. What do I need to know?

My sister was diagnosed with anterior cruciate ligament injury. What do I need to know?

Need to know all opt: Would suggest you check with your doctor and get all the pros and cons of the treatment course planned before you decide, check to see what concomittent injuries there are , her activity/athletic demands. ...Read more

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Just how bad is a knee anterior cruciate ligament injury at the age of 26?

Just how bad is a knee anterior cruciate ligament injury at the age of 26?

Significant: A tear of your anterior cruciate ligament (acl) is a significant injury to your knee. Reconstructive surgery is often necessary to restore the stability of your knee, if conservative treatment with physical therapy and/or bracing has not been effective. See an orthopaedic surgeon specializing in knee reconstruction to discuss your individual situation. ...Read more

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Its been an year now. I have a torn anterior cruciate ligament injury on my left kneecan, can I get a surgery now to repair my leg?

Its been an year now. I have a torn anterior cruciate ligament injury on my left kneecan, can I get a surgery now to repair my leg?

Yes: As long as you don't have bad arthritis in your knees, then there is no contraindications to operating a year after the injury. ...Read more

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I have a torn anterior cruciate ligament injury on my left knee which happened last year, can I get a surgery now to repair my leg?

I have a torn anterior cruciate ligament injury on my left knee which happened last year, can I get a surgery now to repair my leg?

Yes: Yes, you can still have an acl reconstruction. Acl tears do not heal on their own & having it replaced can help you maintain a healthy/ active lifestyle in the years to come. The acl is a major knee stabalizer, and can provide security to your knee that may prevent further damage to nearby tendons, ligaments, muscles, articular cartilage, meniscus, & bones when compared to a "loose knee" ...Read more

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What injuries does the anterior cruciate ligament prevent?

What injuries does the anterior cruciate ligament prevent?

Knee instability: The anterior cruciate ligament (acl) is one of four major ligaments in the knee to help maintain knee stability (the others include the posterior cruciate ligament - pcl, lateral collateral ligament - lcl, and the medial collateral ligament - mcl). The ACL is the most significant of the four and helps prevent the lower leg from sliding forward from the upper leg. ...Read more

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What sort of problem is an anterior cruciate ligament (a.C.L.) injury?

Ligament sprain/tear: The acl is a ligament inside the knee that helps to keep the knee stable - keeps it from moving too far forward or backward. It works with the posterior cruciate ligament (pcl) to accomplish this. The acl is often injured when running or other fast movements when the lower leg is planted on the ground and the knee is bent and twisted. It can be a strain or sprain or a complete tear. ...Read more

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Anterior cruciate ligament knee injury, what to do?

Anterior cruciate ligament knee injury, what to do?

See a specialist.: See a fellowship trained sports medicine orthopedic knee surgeon, who has experience with ACL's. ...Read more

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Anterior cruciate ligament - is this knee injury really bad?

Anterior cruciate ligament - is this knee injury really bad?

Yes: The anterior cruciate ligament is the main stabilizing ligament of the knee. With acl deficiency the knee will tend to "give-way" with quick stops and starts or changes in direction. Giving way episodes can damage the joint line further and tear meniscal tissues. Without a functioning acl sporting activities should be severely limited. Reconstruction is recommended for the athletically active. ...Read more

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What kind of doctor operates on anterior cruciate ligament knee injuries?

What kind of doctor operates on anterior cruciate ligament knee injuries?

Acl recon: Acl reconstructions should be performed by Orthopaedic surgeons with experience doing them ! Look on Yelp or health grades .Ask your primary dr as well ...Read more

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How successful is ACL (anterior cruciate ligament) reconstruction surgery?

How successful is ACL (anterior cruciate ligament) reconstruction surgery?

Very successful: Anterior cruciate ligament reconstruction surgery has undergone considerable changes over the past decade. Intensive research into the biomechanics of the injured and the operated knee have led to a movement away from the techniques of the early 1980's characterized by post operative casting and delayed rehabilitation, to the current early rehabilitation program which in made the result better. ...Read more

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Is it possible that knee ACL (anterior cruciate ligament) repair itself?

Is it possible that knee ACL (anterior cruciate ligament) repair itself?

Anything is possible: But the torn acl doesn't repair itself strongly, that it can function normally. It usually is stretched out tissue, which is no good to the its normal job. There might be some scar tissue hitching the 2 ends of the acl together, but in no way, is that acl functional. I hope I have answered your question. Good luck and happy holidays. ...Read more

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Is there any cure to anterior cruciate ligament tear?

Scope: Complete acl tears will not heal on their own. Arthroscopic acl reconstruction ('scope') uses a graft in place of the torn ligament and typically can help active individuals with knee instability return to their prior level of functioning. ...Read more

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What are some strengthening exercises for an anterior cruciate ligament?

What are some strengthening exercises for an anterior cruciate ligament?

Several!: Bike riding. Resistance exercise to get your biceps femoris 2/3 as strong as your quads. (leg curls!) these are the two best two prevent recurrence and not to develop degenerative arthritis! there are sporting activities that should be avoided that involve pivoting and contaqct! ...Read more

Dr. Alan Ali
1 doctor shared a insight

Injuries (Definition)

An injury, of any severity, is a condition in which a person has damage to any part of his body. Examples of major injuries include gunshot wounds, knife wounds, large burns, severed ...Read more


Ligament (Definition)

A fibrous band of tissue that connects one bone to another. They hold joints in place. Dr. Fox's trivia test: what one bone is the only one ...Read more