[The use of computer-readable copy in the assessment of joint movement according to the neutral-zero method in expert disability evaluation and research studies].

Standardization and categorization are indispensable principles to be applied to patients' data already when data are investigated. Only through this every kind of data processing with computers gains any sense and helps to remove errors from data-transfer and removes mistakes from statistics. Transferring the contents of the investigation-sheets for joint-measures of the German insurance on environmental health to machine-readable encounter-sheets data collecting errors and data transfer errors could be minimized excellently. For the first time the standardization developed could be applied to joint measures of the spine in patients after spine injuries and compared with clinical- and X-ray-findings.