Matter of Compensation of Condon

*1045VAN HOOMISSEN, J.

Claimant sustained an injury to his right knee which his self-insured employer maintains was not job-related. A referee found the injury occurred on the job and ordered compensation paid. The Workers’ Compensation Board (Board) reversed the referee and claimant appeals. The sole issue is compensability. On de novo review, we reinstate the referee’s order.

Claimant, a felon on parole, was employed as a temporary laborer by the Portland Bureau of Parks. He had surgery on his knee in 1978, but it was described as stable at the time of his employment by his father, a physician.…