Psychology of sport and exercise · 2012 · 51 citations · 43 references
EducationGeriatric MedicineGeriatricsGerontologyIndividual DifferencesExercise Prescription For Older AdultsExercise TrainingHealthy AgingLife Course AgingPhysical FitnessSuccessful AgingAutonomy In Older AdultsCompetence In Older AdultsElder Self-determinationHealthy AgeingTraining Adaptation In Aging
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Jacob Cohen · Psychological Bulletin · 1992 · 42.2K citations
Psychophysical bases of perceived exertion
Gunnar Borg · Medicine & Science in Sports & Exercise · 1982 · 16.4K citations