1: Physical activity 2: Therapy 3: Body 4: Fitness 5: Relaxation 6: Treatment 7: Blood 8: Exercise 9: Injury 10: Endurance 11: Movement 12: Weight 13: Health 14: Strength 15: Training 16: Muscle 17: Shoulder 18: Stretch 19: Balance 20: Effort (As of 13:25)
Abduction refers to the movement of a limb away from middle of body, such as bringing the arms position to shoulder height from hanging down position.
Abduction is the opposite of Adduction.