1: Physical activity 2: Body 3: Activity 4: Yoga 5: Exercise 6: Fitness 7: Calorie 8: Nutrition 9: Energy 10: Post-exercise 11: Health 12: Blood 13: Cycling 14: Food 15: Supplement 16: Training 17: Pose 18: Injury 19: Heart 20: Muscular Endurance (As of 08:10)
Anaerobic Threshold refers to the point at which the muscles of the body start to work without oxygen, from an aerobic level.
This threshold is believed to be at approximately 87% of the Maximum Heart Rate.