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Doctor insights on: What Are The Common Signs And Symptoms Of An Anterior Cruciate Ligament Injury

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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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Dr. Laurence Badgley
194 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 are the common symptoms of anterior cruciate ligament (acl) injury ?

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

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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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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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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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 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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How can you prevent anterior cruciate ligament (acl) injury ?

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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Dr. Milroy Samuel
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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