Clark v Thomson - [1948] NZLR 1002

Workers' Compensation — Accident arising out of and in the Course of the Employment — Intervertebral Disc Injury — Attacks of Backache and Acute Lumbago — Pre-accident Disc Lesion exacerbated while Lifting Iron Plate — Relationship of Sciatica and Lumbago to Rheumatism, Fibrositis, and Disc Disease — Relationship of Trauma to Disc Disease — Factors required for Accurate Diagnosis — Workers' Compensation Act, 1922, s 3 — Workers' Compensation Amendment Act, 1943, s 3 (1).