Aetna Casualty Co. v. Robinson

Employer seeks review of an order of the Workers’ Compensation Board holding that claimant must only prove that his preexisting compensable injury was a material, rather than a major, contributing cause of his mental disorder and concluding that claimant’s mental disorder was compensable. We affirm.

Claimant was a machinist for employer. In November, 1985, he suffered a compensable back injury when he slipped on ice in the company parking lot. He filed an aggravation claim for his back in April, 1988, which employer denied in February, 1989. In November, 1988, claimant also developed stomach…