1: Body 2: Physical activity 3: Exercise 4: Muscular Endurance 5: Endurance 6: Fitness 7: Muscular Strength 8: Heart 9: Pose 10: Training 11: Calorie 12: Supplement 13: Metabolism 14: Energy 15: Cycling 16: Health 17: Balance 18: Activity 19: Body Composition 20: Food (As of 03:54)
Ball-and-socket joint refers to one kind of triaxial joint to provide 3-degree-of-freedom motions
