Lasegue’s test (straight-leg raise) – What is the purpose, indication and relevance?

Straight Leg raise: Client is supine with the affected leg extended and internally rotated. Practitioner raises the leg, flexing the hip until pain is felt

Purpose:

• Assess the cause of low back pain or dysfunction

Indications:

• Sciatic pain
• Low back pain

Relevance:

• Positive test – lumbar pain after 70° is indicative of nerve root compression due to lumbar or SI joint dysfunction (0-35°: SI strain/sprain or piriformis spasm, 35-70°: sciatica, lumbosacral strain/sprain)

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This post was written by Omar Rifai