James R. Walker (Walker) began his employment with United Parcel Service (UPS) in 1981 and delivered packages in the Bozeman area. Prior to 1985, Walker was in excellent health and was considered to be an excellent employee. On September 12, 1985, Walker suffered a back injury while working for UPS. He stepped off a loading dock, struck his knee against a structure, and strained or sprained his back.
