Our Slim & Strong and Brooklyn Bridge Boot Camp workouts follow the idea of high-intensity interval training, also called HIIT. HIIT means that for short periods of time you push yourself to maximum intensity and then follow it with lower intensity. The time at maximum intensity increases with regular practice and the time of lower intensity shortens as you get fitter. The idea of the workout is to maximize your workout time while getting maximum benefits.
Most people care about how many calories they burn during a workout. They think the harder and longer they work, the more cardio they do, the more calories they burn and the less they eat the more weight they lose. That’s actually not true. At least, it’s not the whole picture. When it comes to changing your body it’s not just about burning calories, but it’s more about what hormones you activate that make you burn body fat, make you gain lean muscle, keep you young, ensure muscle recovery and keep you healthy.
Our high-intensity interval training workouts activate quite a few hormones:
- Adrenaline ensures you burn subcutaneous fat (the fat underneath your skin)
- Growth hormone is released with strength training and bursts of high intensity that breaks the anaerobic threshold. Growth hormone is essential for getting you lean, boosting muscle growth and recovery and keeping you young. It declines as you get older.
- Your insulin sensitivity is improved. That means your cells need less insulin to make energy from the sugar in your blood stream. Balanced insulin levels are important to lose weight and stay healthy. High insulin levels are associated with a slew of health and metabolic issues, such as weight gain, pre-diabetes, diabetes, high cholesterol, metabolic syndrome, high blood pressure, obesity, and various inflammatory conditions (including heart disease cancer, stroke and arthritis).
- Short bursts of intensity (versus long and drawn-out cardio sessions) prevent cortisol build-up. High cortisol levels are associated with fat storage and muscle loss. Muscle loss is bad news because the less muscle you have, the slower your metabolism and the quicker you gain weight.
- EPOC is increased. This acronym stands for excess post-exercise-oxygen-consumption and it means you burn more calories following a high-intensity workout than after a low intensity workout. The after-burn effect can be active for up to 48 hours and means you might be burning an additional 20% of the calories you burned in your workout. The harder your workout, the greater the EPOC.
- Nitric oxide production is up. This substance makes your blood vessels slightly bigger so that nutrients and blood can get to the muscles to keep them working hard longer.
- Does your workout change your body (Is it getting you leaner, fitter, stronger, more powerful)?
- Does it energize you and make you feel healthier?
- Does it make you feel uncomfortable enough to promote change?