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Hamstring Tears

Treating Hamstring Tears With Action Sports Clinic

 

What is it? Hamstring TearsHamstring Tears

The hamstrings are a large group of muscles found at the back of the thigh. The primary role of these muscles is to bend the knee and collectively, these muscles are some of the strongest in the body. Despite their strength, the hamstrings are very prone to injury especially when overworked or undertrained. Hamstring strains and tears are quite common in sports that involving sprinting, jumping and sudden changes in speed. Football and soccer players are some of the athletes most commonly affected by hamstring tears.

Hamstring strains are categorized into three grades:

Grade 1 (mild) – A few muscle fibers are either damaged or ruptured; there may be pain a day
after the injury but no loss of movement.

Grade 2 (moderate) – Roughly half of the muscle fibers are torn; there may be acute pain and mild
loss of function; walking may be affected. Grade 3 (severe) – More than half of the muscle fibers
are ruptured and there is immense pain and swelling; definite muscle weakness and loss of
function.

Grade 3 (severe) – More than half of the muscle fibers are ruptured and there is immense pain
and swelling; definite muscle weakness and loss of function.

What are the symptoms of Hamstring Tears?

The symptoms of a hamstring tear depend on the severity of the injury. Common symptoms
include pain at the back of the thigh – which could range from mild to severe, swelling, bruising,
loss of knee motion, tenderness at the back of the thigh, reduced length and muscle weakness of
the hamstring. In some cases, tingling, numbness and weakness of the structures below the knee
are seen. However, these are rare.

What are the causes of Hamstring Tears?

A single cause of hamstring tears can be difficult to determine however, it is thought that a lack of
coordination between the hamstrings and quadriceps muscles during sudden changes of speed or
when kicking can cause the hamstrings to contract excessively or become overstretched, causing
a tear.

There are also recognised risk factors, that increase the possibility of hamstring tears including
increased age, fatigue, strength imbalance, previous injury of the hamstrings, poor core stability,
poor hamstrings flexibility and tight hip flexors.

How can they be prevented?

Understandably, trying to prevent hamstring tears is important business. Research has
consistently shown that the most important factor in preventing hamstring tears is having high
eccentric strength in the hamstrings. Eccentric muscle contractions occur when a muscle is
contracting while also lengthening. For example, when you lower your straightened leg slowly to
the ground, your quadriceps muscle will be working eccentrically.

Your physiotherapists is able to show you some exercises that can target eccentric muscle
strength specifically as well as identifying any risk factors that may be contributing to you
individual risk. None of the information in this newsletter is a replacement for proper
medical advice. Always see a medical professional for advice on your individual condition.

Action Sports Clinic

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