Perceived exertion.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004780:Environment, Controlled; D005069:Evaluation Studies as Topic; D005080:Exercise Test; D005260:Female; D006339:Heart Rate; D006801:Humans; D007206:Individuality; D008297:Male; D010101:Oxygen Consumption; D010465:Perception; D005082:Physical Exertion; D011930:Reaction Time; D012737:Sex Factors; D013312:Stress, Physiological; D014938:Work Capacity Evaluation