[Code of Federal Regulations] [Title 20, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 20CFR220.102] [Page 278] TITLE 20--EMPLOYEES' BENEFITS CHAPTER II--RAILROAD RETIREMENT BOARD PART 220_DETERMINING DISABILITY--Table of Contents Subpart H_Evaluation of Disability Sec. 220.102 Non-severe impairment(s), defined. (a) Non-severe impairment(s). An impairment or combination of impairments is not severe if it does not significantly limit the claimant's physical or mental ability to do basic work activities. (b) Basic work activities. Basic work activities means the ability and aptitudes necessary to do most jobs. Examples of these include-- (1) Physical functions such as walking, standing, sitting, lifting, pushing, pulling, reaching, carrying, or handling; (2) Capacities for seeing, hearing, and speaking; (3) Understanding, carrying out, and remembering simple instructions; (4) Use of judgment; (5) Responding appropriately to supervision, co-workers and usual work situations; and (6) Dealing with changes in a routine work setting.