DeFries v. ASSOCIATION OF OWNERS, 999 WILDER

*297OPINION OF THE COURT BY

RICHARDSON, C.J.

Claimant-appellant appeals from an order of the Labor and Industrial Relations Appeals Board denying workers’ compensation benefits for a partially disabled right knee.

It is undisputed that claimant stumbled and fractured the big toe of his right foot on August 30,1970, in the course of his employment as a security guard. The factual issue presently in dispute is whether or not the same stumble also aggravated or accelerated an osteoarthritic condition in claimant’s right knee.

At the appeals board hearing, claimant testified that, while running after a…