Hidden Health Risks Of Popular Fitness TrendsHidden Health Risks Of Popular Fitness TrendsRishika BaranwalHigh-Intensity Interval TrainingOvertraining and joint injuries.CrossFitIncreased injury risk from heavy lifting.Extreme Fasting WorkoutsDehydration and nutrient deficiencies.Boot Camp ClassesOveruse injuries and exhaustion.Fitness AppsInjuries from generic workouts.Bodyweight TrainingJoint stress and muscle imbalances.