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Psychological aspects Sports Exercise 17 Athletes 15 Physiological aspects 12 Social aspects 12 Coaching (Athletics) 7 Physical fitness 5 Sociological aspects 5 Sports injuries 5 psychology 5 Psychology 4 Violence in sports 4 physiology 4 Aggressiveness 3 Coaches (Athletics) 3 Mental health 3 Motivation 3 Psychology, Sports 3 Social psychology 3 Sports medicine 3 Teamwork (Sports) 3 Achievement motivation 2 Athletic ability 2 Attitude (Psychology) 2 Coaching 2 Masculinity 2 Methodology 2 Motivation (Psychology) 2 Performance 2