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OBJECTIVE: To determine reliability of the measurement of hip movements (flexion, internal rotation, and external rotation) between medical practitioners. METHODS: Six clinicians carried out measurements of hip movements on each of six patients with osteoarthritis of one hip, using a specifically designed plurimeter. RESULTS: There was no evidence of any systematic difference between medical practitioners in the measurement of hip flexion, internal rotation, or external rotation. The degree of agreement was greatest for hip flexion. CONCLUSIONS: This study has shown that measurement of range of movement at the hip is repeatable between practitioners using a simple plurimeter and may represent an examination that is suitable for monitoring progress and treatment.

Original publication




Journal article


Ann rheum dis

Publication Date





320 - 323


Evaluation Studies as Topic, Hip Joint, Humans, Movement, Observer Variation, Orthopedic Equipment, Osteoarthritis, Range of Motion, Articular