Appeal of Briggs

The petitioner, Burleigh Briggs, appeals from a decision of the New Hampshire Department of Labor Compensation Ap*625peals Board (board) denying him coverage for an osteoarthritic condition in his knees that he contends was exacerbated to the point of disability by his employment. The petitioner argues that the board erred in: (1) finding no accidental injury; (2) applying an incorrect standard of medical and legal causation; and (3) refusing to hold the record open for submission of additional medical reports after the hearing. Defendant Manville Sales Corporation (Manville) cross-appeals,…