Readiness for exercise adoption.
D000328:Adult; D000367:Age Factors; D001294:Attitude to Health; D003327:Coronary Disease / Q000517:prevention & control / Q000523:psychology; D006293:Health Promotion; D006801:Humans; D007206:Individuality; D008297:Male; D008875:Middle Aged; D008960:Models, Psychological; D005082:Physical Exertion; D010809:Physical Fitness; D012306:Risk