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Table 1 The comparison of range of motion between pre-operation and post-operation

From: Acquired heterotopic ossification in hips and knees following encephalitis: case report and literature review

  Flexion Extension
Pre-operation 13 months after the operation 18 months after the operation Pre-operation 13 months after the operation 18 months after the operation
Left hip 0°-25° 0°-85° 0°-110° Flexion deformity 0°-15° 0°-15°
Right hip 0°-15° 0°-80° 0°-105° 0°-10° 0°-10°
Left knee 0°-15° 0°-100° 0°-125°
Right knee 0°-10° 0°-90°, 0°-127°