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- Physical education and training (14)
- Athletes--Training of (6)
- Muscle strength (5)
- Sports--Physiological aspects (4)
- Physical fitness--Physiological aspects (3)
- Exercise--Physiological aspects (2)
- Motor learning (2)
- Performance (2)
- Sports sciences (2)
- Sports teams--Physiological aspects (2)
- Sports--Psychological aspects (2)
- Abdomen--Muscles (1)
- Chest--Muscles (1)
- Coaching (Athletics) (1)
- Personal trainers (1)
- Speed (1)
- Sports sciences--Handbooks, manuals, etc (1)
- Stress (Physiology) (1)