W. Va. Code R. § 85-20 app. 2
Medium Work - Exerting 20 to 50 pounds of force occasionally and/or 10 to 25 pounds of force frequently and/or greater than negligible up to 10 pounds of force constantly to move objects. Physical Demand requirements are in excess of those for Light Work.
Heavy Work - Exerting 50 to 100 pounds of force occasionally and/or 25 to 50 pounds of force frequently and/or 10 to 20 pounds of force constantly to move objects. Physical Demand requirements are in excess of those for Medium Work.
Very Heavy Work - Exerting in excess of 100 pounds of force occasionally and/or in excess of 50 pounds of force frequently and/or in excess of 20 pounds of force constantly to move objects. Physical Demand requirements are in excess of those for Heavy Work.
Additional physical demands of work, as defined in the Revised Handbook for Analyzing Jobs, include Climbing, Balancing, Stooping, Kneeling, Crouching, Crawling, Reaching, Handling, Fingering and Feeling.
Climbing means ascending or descending ladders, stairs, scaffolding, ramps, poles and the like, using feet and legs or hands and arms. Body agility is emphasized.
W. Va. Code R. 85-20 app 2