title: Some motivational aspects of exercise.
mesh_terms: D000328:Adult; D001293:Attitude to Death; D001294:Attitude to Health; D003327:Coronary Disease; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009042:Motivation; D009132:Muscles; D010146:Pain; D010551:Personality; D005082:Physical Exertion; D012649:Self Concept; D012945:Social Values; D011795:Surveys and Questionnaires; D014481:United States