What does a positive straight-leg raise test indicate?

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Multiple Choice

What does a positive straight-leg raise test indicate?

Explanation:
A positive straight-leg raise means the nerve roots in the lumbar spine are under tension or being compressed, most often from a disc herniation affecting the sciatic nerve roots around L5–S1. When the leg is lifted with the knee extended, reproducing radicular pain that travels below the knee indicates the neural structures are irritated as they are stretched over the affected area. Hip joint pathology usually causes local hip or groin pain rather than the classic radicular pattern down the leg. Vascular insufficiency presents as exercise-related leg cramps or fatigue, not a reproducible radicular pain with a straight-leg raise. Sacroiliac dysfunction tends to produce pelvic or buttock pain that worsens with SI joint-specific maneuvers rather than a distal nerve-root–type pain.

A positive straight-leg raise means the nerve roots in the lumbar spine are under tension or being compressed, most often from a disc herniation affecting the sciatic nerve roots around L5–S1. When the leg is lifted with the knee extended, reproducing radicular pain that travels below the knee indicates the neural structures are irritated as they are stretched over the affected area.

Hip joint pathology usually causes local hip or groin pain rather than the classic radicular pattern down the leg. Vascular insufficiency presents as exercise-related leg cramps or fatigue, not a reproducible radicular pain with a straight-leg raise. Sacroiliac dysfunction tends to produce pelvic or buttock pain that worsens with SI joint-specific maneuvers rather than a distal nerve-root–type pain.