Jewett v. Real Tuff, Inc.

ZINTER, Justice.

[¶ 1.] Carlin Jewett, Sr. sought workers’ compensation benefits for a right knee replacement and for diagnostic treatment of his left knee. Jewett relied on two theories. He first contended that work-related injuries to both knees were a major contributing cause of the need for the medical treatment. Under his second (alternative) theory, Jewett acknowledged that he had pre-existing bilateral patello-femoral osteoarthritis that caused the need for the medical treatment. However, he contended that the cumulative effect of his work-related activities for Real Tuff, Inc. was a…