Knee Injuries

What causes knee injuries

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Knee injuries can be caused by trauma, such as an accident or a fall, or even by a sudden increase in your daily activities. Other injuries develop over time, from factors including structural problems within the joint itself, incorrect athletic training methods or technique, and poor equipment.

ï Footwear ña new pair of athletic shoes or a change to heels instead of flats can affect the way you walk and, in turn, can place stress on the muscles and tendons around the knee joint. ï Frequency and intensity of a regular activity ñ Any change such as jogging or playing tennis on a different surface can affect the knee joint. For example, simply moving the activity from a soft track or clay court to a hard surface such as a road or hard court can add stress to the knee joint and increases the risk of injury.

ï Compensation for an injury elsewhere. A blister on your foot, for example, may cause you to change the way you step to minimize the pain, thus placing a strain on the knee.

Knee Injuries

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Physiotherapists work closely with doctors, surgeons and sports specialists to provide effective care and assist recovery. A physiotherapist will assess your knee to determine the source of the problem and to develop an individual treatment program.

The CPA presents its educational references as a public service and for informational purposes only. The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. The opinions expressed do not necessarily represent the opinions of the CPA membership. Anyone can be a victim of a knee injury; whether you are a professional athlete, a weekend fitness buff or someone just busy carrying out your day-to-day activities. The knee joint is unique in that it carries body weight at the same time as it provides flexibility and mobility. It is formed by the femur, the tibia and the patella and held together by muscles, ligaments and tendons.

This construction predisposes the joint to risk of injury from sudden movement and repeated wear and tear. What causes knee injuries?

Knee injuries can be caused by trauma, such as an accident or a fall, or even by a sudden increase in your daily activities. Other injuries develop over time, from factors including structural problems within the joint itself, incorrect athletic training methods or technique, and poor equipment.

–  Footwear a new pair of athletic shoes or a change to heels instead of flats can affect the way you walk and, in turn, can place stress on the muscles and tendons around the knee joint.

– Frequency and intensity of a regular activity. Any change such as jogging or playing tennis on a different surface can affect the knee joint. For example, simply moving the activity from a soft track or clay court to a hard surface such as a road or hard court can add stress to the knee joint and increases the risk of injury.

– Compensation for an injury elsewhere. A blister on your foot, for example, may cause you to change the way you step to minimize the pain, thus placing a strain on the knee.

–  Applying ice to control swelling; ï Stretching exercises to regain flexibility around the joint. The most common stretches are for the hamstring, quadriceps, gastrocnemius (calf), iliotibial band and groin (hip adductor), hip flexors and buttocks;

– Strength training to build up the muscle.

A physiotherapist can provide a program to help prevent re-injury as you return to normal activities. A key element of that program is to return to your regular activity levels gradually. Don’t try to do too much too soon! After a break in routine whether as a result of an illness or accident, the seasonal nature of the activity or even a holiday you canít just jump back in at full speed. Instead, build up gradually to your previous level of activity.

Another element of the rehabilitation program is to retrain balance and coordination. A knee injury involves more than just stress and strain to the soft tissue. It also affects the tiny receptors in the muscles, ligaments and tendons that tells you where your knee is positioned.

These receptors send signals to correct balance or shift weight.When they’re damaged, the messages are interrupted and you are more likely to stumble and/or turn an ankle.

Physiotherapy can help

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Your physiotherapist will provide you with an exercise program that will include retraining the receptors as you strengthen the muscles strength around the damaged tissues.

If you are involved in organized athletics, the physiotherapist may also want to work with your coach to ensure a safe return to your sport. Strengthening exercises are specific to the injury, but would include the quads, hamstrings, hip adductors and abductor muscles. Treating a knee injury Depending upon the type and degree of injury, the program may include: What causes knee injuries?

-Ligament Sprains: ligaments are bands of strong tissue that stabilize the knee joint together. Overstretching can cause the ligament fibre to tear and bleed into the surrounding tissues, causing pain, swelling and a feeling of giving way. Severe tears may require surgery.

– Cartilage Tears: cartilage also helps stabilize and protect the knee joint. Pressure from twisting and turning during weight-bearing exercise like squash may tear the cartilage, causing pain, swelling and locking of the knee joint.

– Tendon Strains tendons are cord-like bands that connect muscle to bone. The patellar tendon connects the kneecap (patella) to the tibia (shin). Patellar tendonitis or jumpers knee is inflammation of the patellar tendon. This is an overuse injury commonly caused by repeated jumping, as in basketball.

– Patello-Femoral Syndrome excessive friction between the surface of the patello-femoral joint (kneecap) and the femur (thigh) can result in knee pain. It may have a number of causes and should be assessed by your physiotherapist.

– Applying ice to control swelling;

– Stretching exercises to regain flexibility around the joint. The most common stretches are for the hamstring, quadriceps, gastrocnemius (calf), iliotibial band and groin (hip adductor), hip flexors and buttocks; and ï Strength training to build up the muscle.

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