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Saturday, September 18, 2021

ACL Tear: Know about this common knee injury

"Once torn, an ACL can never repair itself. 40 per cent of people can manage their sedentary life with occasional sports without a surgery but if someone wants to run/jog, play or experience feeling of instability and sense of discomfort then a surgery is recommended," the expert added

By: Lifestyle Desk | New Delhi |
Updated: August 28, 2021 10:40:31 am
ACL tearIt is a common injury in contact sports such as kabaddi, wrestling and American football. (Source: Pixabay)

ACL (anterior cruciate ligament injury) is one of the main stabiliser ligaments of the knee joint. Injury or tear of the ACL is one of the most common injuries of the knee.

“It can occur at any age or in any sport, but generally seen in young people playing sports that involve pivoting of the knee like soccer, basketball, hockey and skiing, when sudden stops or changes in direction occur during jumping and landing. It is also a common injury in contact sports such as kabaddi, wrestling and American football,” said Dr Shubhang Aggarwal, Orthopedic and Joint Replacement Surgeon, NHS Hospital, Jalandhar.

Besides sportsmen, the injury can also happen to anyone while doing common activities like jumping across a puddle or if you miss the last step of the stairs in a rush or just simply climbing a stool.

“Once torn, an ACL can never repair itself. 40 per cent of people can manage their sedentary life with occasional sports without surgery but if someone wants to run/jog, play even weekend sports regularly or they experience feeling of instability and sense of discomfort then surgery is recommended to protect the knee from repeated damage and future arthritis,” the expert added.

What happens?

The ‘pop’ sound of ACL rupture may not be heard in every fresh injury case and we have to look for other common symptoms like:

1- Pain: If you have a minor injury, you may not feel pain. You may feel sore along your knee’s joint line. Some people have trouble standing or putting pressure on the hurt leg.
2- Swelling: This is most likely to happen in the first 24 hours. You can reduce swelling by putting ice on your knee and elevating (raising) your leg on a stool or 2 pillows.
3- Trouble walking: You may not be able to put pressure on your hurt knee to walk, climb stairs and walk on uneven ground. Some people find that the knee joint feels loose than it should be.
4- 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.

“Symptoms in a chronic case: Instability is the most common symptom in an ACL deficient knee in which patient feels that his/her knee will buckle in certain movements/positions of knee especially while playing sports,” he added.

acl tear It is seen in young people playing sports that involve pivoting of the knee like soccer, basketball, hockey and skiing when sudden stops or changes in direction occur during jumping and landing, expert says. (Source: Pixabay)

What is it?

Ligaments are strong bands of tissue that connect one bone to another. The ACL is one of two ligaments inside the knee that cross in the centre and stop the undue movement of your thighbone (femur) on your shinbone (tibia). When injured, it puts stress on the knee.

Who is at risk?

1- Females — possibly due to differences in anatomy, muscle strength and hormonal influences
2- Participating in certain sports, such as soccer, kabaddi, basketball, gymnastics, skiing and wrestling.
3- Poor conditioning of muscles that can actually protect against violent movements.
4- Wearing footwear that doesn’t fit properly
5- Using poorly maintained sports equipment or wrong techniques.
6- Playing on artificial turf surfaces

How is it diagnosed?

-Detailed history: Your doctor will want to hear exactly how you injured your knee. They will look at both knees to see if the sore one looks different.
-Clinical examination: Your doctor may ask you to lie on your back and bend your hips and/or your knees at certain angles. They’ll then place their hands on different parts of your leg and gently shift the leg around. If any of your bones move in a way that isn’t normal, that could be a sign that your ACL is damaged.
-X-ray: Soft tissues like the ACL don’t appear on X-rays, but your doctor may want to rule out broken bones.
-MRI: This exam can show both soft tissue and bone. If you have a damaged ACL, it shows up on the scan.

Treatment

“Arthroscopy: This literally means to “look within the joint.” During this exam, an orthopedic surgeon makes a small 4mm keyhole into your skin. He inserts a camera attached on a pencil-sized tool that contains a lighting system and lens (arthroscope) into the joint. The camera projects a magnified image of the joint onto a large screen. Your doctor can see what type of injury you have and repair as needed,” he explained.

Treatment:

Treatment depends on how badly you’ve been hurt.

First is first aid: If your injury is minor, you just put ice on your knee, elevate your leg, and stay off your foot for a while. You can reduce swelling by wrapping a crepe bandage around your knee. Crutches/walkers can help you to keep weight off your knee.

Medication: Analgesics and anti-inflammatory drugs help to reduce swelling and pain. Rarely for intense pain and swelling, you may have to get the blood aspirated and get an injection into your knee with a steroid.

Knee brace: Some people with a damaged ACL can get by wearing a brace on their knee when they run or play sports. It provides extra support.

Physical therapy: You may need this a few days a week to get your knee back in working order. During your sessions, you’ll do exercises to strengthen the muscles around your knee and help you regain a full range of motion. You may be asked to exercise on your own.

Surgery is done when all else fails and is called Arthroscopic ACL reconstruction in which surgeon will remove the damaged ACL stump through a keyhole and replace it with a graft sometimes made from the core of your hamstring muscle or a fibre tape.

“This is usually a daycare surgery and after surgery with proper rehabilitation ie Proprioceptive and strengthening exercises, patients can resume brisk walk in six weeks and jog in three months. Active contact sports again within six months. With modern surgical techniques and fixation methods available, ACL surgery for sportsmen especially has proven to be a highly successful procedure,” he said.

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📣 The above article is for information purposes only and is not intended to be a substitute for professional medical advice. Always seek the guidance of your doctor or other qualified health professional for any questions you may have regarding your health or a medical condition.

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