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An ACL tear is one of the most common knee ligament injuries, especially among athletes and physically active individuals. The Anterior Cruciate Ligament (ACL) helps stabilize the knee joint during movements such as running, jumping, pivoting, and sudden direction changes. When the ACL is partially or completely torn, it can cause pain, swelling, knee instability, and difficulty participating in sports or daily activities. Treatment for an ACL injury depends on the severity of the tear, activity level, age, and individual goals. While some patients may benefit from non-surgical treatment, others may require ACL reconstruction surgery to restore knee stability and function.
An ACL tear is one of the most common knee ligament injuries, especially ... Read More
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An ACL tear occurs when the anterior cruciate ligament, one of the major ligaments in the knee, is stretched beyond its capacity or ruptures completely.
The ACL connects the thigh bone (femur) to the shin bone (tibia) and prevents excessive forward movement and rotational instability of the knee.
ACL injuries are commonly classified as:
Grade 1 ACL Injury
A mild sprain where the ligament is stretched but remains intact.
Grade 2 ACL Injury
A partial tear of the ligament resulting in moderate instability.
Grade 3 ACL Tear
A complete tear of the ligament causing significant knee instability and loss of function.
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ACL injuries often occur during sports and physical activities involving sudden movements.
Common causes include:
Women may have a slightly higher risk of ACL injuries due to anatomical and biomechanical differences.
Many patients describe experiencing:
The severity of symptoms varies depending on whether the ACL is partially or completely torn.
Common symptoms of a torn ACL include:
Persistent instability after an injury often indicates a significant ACL ligament tear.
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Yes, some people can walk after an ACL tear, especially if swelling is mild and surrounding muscles compensate for the injury.
However, walking does not mean the ligament is functioning normally. Many patients experience:
Professional evaluation is important even if walking is possible.
Early diagnosis helps determine the best treatment plan and prevents additional knee damage.
Physical Examination
An orthopedic specialist performs stability tests such as:
MRI Scan
MRI is the gold standard for diagnosing ACL tears and identifying associated injuries.
X-Ray
X-rays help rule out fractures and bone injuries.
Ultrasound
May occasionally be used to evaluate soft tissue injuries.
The patient consults an orthopedic specialist after experiencing a knee injury, pain, swelling, instability, or a popping sensation.
Registration and consultation formalities are completed.
The doctor reviews the patient's medical history, injury mechanism, activity level, and symptoms.
A physical examination is performed to assess knee stability and ligament function.
The orthopedic surgeon performs specialized knee stability tests, such as the Lachman test and Pivot Shift test.
X-rays may be recommended to rule out fractures.
An MRI scan is usually performed to confirm the ACL tear and identify associated injuries, such as meniscus or cartilage damage.
Based on the findings, the doctor discusses the severity of the injury and suitable treatment options.
Partial ACL tears or patients with low physical activity demands may be managed without surgery.
The RICE protocol (Rest, Ice, Compression, and Elevation) is recommended to reduce pain and swelling.
Pain-relieving or anti-inflammatory medications may be prescribed.
A knee brace may be used to improve stability.
A structured physiotherapy program is initiated to restore strength, balance, and knee function.
Complete ACL tears or injuries causing significant knee instability may require arthroscopic ACL reconstruction.
The torn ligament is replaced with a tendon graft taken from the patient's own body or from a donor.
The graft is secured using specialized fixation devices to restore knee stability and function.
Patients undergoing non-surgical treatment continue physiotherapy and regular follow-up.
Patients who undergo surgery are monitored until medically stable before discharge.
Pain relief medicines, rehabilitation instructions, and activity restrictions are explained before going home.
Physiotherapy is essential to regain knee strength, flexibility, balance, and stability.
Recovery timelines vary depending on the severity of the injury and treatment method, with return to sports often taking 6–12 months after ACL reconstruction.
Follow-up appointments are scheduled to monitor healing and recovery progress.
Patients should seek immediate medical attention if they experience severe pain, excessive swelling, fever, wound discharge (after surgery), calf pain, chest pain, shortness of breath, or sudden worsening of knee instability.
Treatment depends on:
ACL Tear Treatment Without Surgery
Non-surgical treatment may be suitable for:
Conservative treatment may include:
Many patients can regain functional mobility through rehabilitation alone.
ACL reconstruction surgery may be recommended if:
The decision is individualized based on clinical evaluation and lifestyle goals.
ACL reconstruction is a surgical procedure that replaces the torn ACL with a graft to restore knee stability.
Modern ACL surgery is typically performed using minimally invasive arthroscopic techniques.
Arthroscopic ACL Reconstruction
During surgery:
Uses a portion of the patient’s patellar tendon.
Hamstring Tendon Graft
Uses tendons from the hamstring muscles.
Uses tissue from the quadriceps tendon.
Allograft
Uses donor tissue from a tissue bank.
The most suitable graft depends on patient-specific factors and surgeon recommendations.
Advanced ACL reconstruction techniques may include:
Single-Bundle Reconstruction
The most commonly performed procedure with excellent outcomes.
Double-Bundle Reconstruction
Designed to replicate natural ACL anatomy more closely in selected cases
ACL reconstruction surgery has a high success rate when performed by experienced orthopedic surgeons.
Studies show:
Rehabilitation plays a crucial role in achieving optimal results.
Recovery occurs gradually over several months.
First 2 Weeks
Weeks 3 to 6
Months 2 to 4
Months 4 to 6
Months 6 to 12
Return to sports depends on:
Returning too early increases the risk of reinjury. Most athletes return to sports between 9 and 12 months after surgery.
Although ACL reconstruction is generally safe, potential complications include:
Choosing an experienced orthopedic surgeon and following rehabilitation protocols significantly reduces these risks.
ACL surgery cost in India varies depending on:
Most hospitals provide customized treatment plans after evaluation and imaging studies.
When selecting an orthopedic surgeon, consider:
Early consultation can help prevent long term knee instability and secondary joint damage.
Most patients return to an active lifestyle following successful ACL reconstruction and rehabilitation.
Long-term benefits include:
Maintaining strength, flexibility, and proper training techniques helps protect the reconstructed ligament.
A complete ACL tear generally does not heal on its own because the ligament has limited blood supply. Partial tears may improve with rehabilitation, but complete tears often require reconstruction in active individuals.
Common symptoms include a popping sensation, knee pain, swelling, instability, difficulty walking, and reduced range of motion.
A complete ACL tear usually does not heal on its own because the ligament has a limited blood supply. However, some patients with partial ACL tears or low physical activity levels may improve with physiotherapy, strengthening exercises, and lifestyle modifications. Surgery is generally recommended for patients with complete tears, persistent instability, or those wishing to return to sports.
Not every ACL tear requires surgery. Treatment depends on the severity of the injury, activity level, and degree of instability.
Many patients with an ACL tear can still bend and straighten the knee to some extent. However, pain, swelling, and instability often limit the range of motion during the initial days after injury. Physiotherapy and appropriate treatment help restore movement as the knee heals.
Swelling after an ACL injury usually develops within a few hours and may gradually improve over one to three weeks with rest, ice therapy, compression, elevation, and appropriate medications. Persistent swelling may indicate associated injuries such as a meniscus tear or cartilage damage and should be evaluated by an orthopedic specialist.
If left untreated, an ACL tear can lead to repeated episodes of knee instability, increasing the risk of meniscus injuries, cartilage damage, and early osteoarthritis. Early diagnosis and appropriate treatment can help preserve knee function and reduce the likelihood of long term complications.
Most patients require 6 to 12 months for complete recovery and return to sports.
Athletes generally return to sports between 9 and 12 months after surgery, depending on rehabilitation progress and functional testing.
ACL reconstruction has a high success rate, with most patients regaining knee stability and returning to physical activities successfully.
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Junaid Khan
Recommends
Got my acl surgery done by Dr, Bora, amazing doctor. Started walking after so long.
Ramamurthy S, 71 Yrs
Recommends
Right from the conversation until the drop back to home, everything has been absolute professional. Thank you Pristyn care
Tanishq Rao
Recommends
Had a ligament tear and was operated here. The orthopedic team was highly skilled. Rehab support was excellent too
Divya Agarwal
Recommends
The ortho department at Diyos is truly impressive. Got my ACL tear fixed and I’m already jogging again. Delhi needed a place like this.
Prakash Agarwal
Recommends
My ACL tear felt like the end of the world, but Diyos helped me get back on my feet—literally.
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