Straight leg raise

Straight leg raise

Straight leg raise is a clinical manifestation that helps diagnose sciatica. It asks the elongated lift straight leg patient. Pain appears as the root of the affected nerve is energized. The height at which the patient was able to elevate the leg indicates the severity of sciatica: the higher the elevation angle is low (barely raised leg) plus sciatica is important.

The Straight leg raise is a test voltage which sets the sciatic nerve. If there is a compression of the nerve, it is more sensitive to the tensioning and the test simulates pain.

If Straight leg raise is negative ( no pain triggered by this maneuver), the nerve is not compressed or her suffering is minimal, and things fall in order without surgery, only with drug therapy (if sciatica there is ).

Straight leg raise is the first orthopedic tests done before a lower back pain with radiation to the buttock and the rest of the leg. if it is negative, we can go “find” more tension by making a stronger test, called “maximum tensioning” …

But if Straight leg raise is positive (reproduction of the usual pain) that strongly signs of nerve root damage (careful, other nerve compression zones and the achievement is not necessarily a compression).


A negative Straight leg raise with pain resembling a sciatica can therefore evoke a sciatic nerve another location (if other tests on the lumbar spine are also negative …)

Straight Leg Raise Test 

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