Thursday, August 26, 2010

What Causes Piriformis Syndrome? (Piriformis Syndrome)

Piriformis Syndrome

Piriformis syndrome is predominantly caused by a shortening or tightening of the piriformis muscle, and while many things can be attributed to this, they can all be categorized into two main groups: Overload (or training errors); and Biomechanical Inefficiencies.

Overload (or training errors):

Piriformis syndrome is commonly associated with sports that require a lot of running, change of direction or weight bearing activity. However, piriformis syndrome is not only found in athletes. In fact, a large proportion of reported cases occur in people who lead a sedentary lifestyle. Other overload causes include:


■ Exercising on hard surfaces, like concrete;
■ Exercising on uneven ground;
■ Beginning an exercise program after a long lay-off period;
■ Increasing exercise intensity or duration too quickly;
■ Exercising in worn out or ill fitting shoes; and
■ Sitting for long periods of time.

Biomechanical Inefficiencies:
The major biomechanical inefficiencies contributing to piriformis syndrome are faulty foot and body mechanics, gait disturbances and poor posture or sitting habits. Other causes can include spinal problems like herniated discs and spinal stenosis. Other biomechanical causes include:

■ Poor running or walking mechanics;
■ Tight, stiff muscles in the lower back, hips and buttocks;
■ Running or walking with your toes pointed out.

Source: www.thestretchinghandbook.com

Piriformis Syndrome

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