Methodological Principle - Lippincott Williams & Wilkins

Factor 7 – Severe throbbing pressure sensation (throbbing, pulsing, pounding) Pathology-based classification (Kirkaldy-Willis 1979) ... IIIB – Low back and leg pain for greater than 1 week but less than 3 months. IC – Low back pain for at least 3 months. IIC – Low back and thigh pain for at least 3 months ... ................
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