Ohio Rev. Code § 4171.10: Assumption of risk is complete defense.

The express assumption of risk set forth in section 4171.09 of the Revised Code shall serve as a complete defense in a tort or other civil action against an operator by a roller skater for injuries resulting from the assumed risks of roller skating. The comparative negligence or other tort provisions of sections 2315.32 to 2315.36 of the Revised Code shall not apply unless the operator has breached the operator's duties pursuant to sections 4171.06 and 4171.07 of the Revised Code.