What Happens to Your Brain and Body After Five Classes at Formation

Why consistency is where the real science kicks in

There is a version of trying a new fitness class that goes like this: you show up, you work hard, you feel it the next day, and then life gets in the way. One class becomes a memory instead of a habit. But something different tends to happen around class five. Not because five is a magic number, but because by then, your body has had enough exposure to start genuinely adapting. The awkwardness begins to lift. The movements start to feel more familiar. And underneath all of that, your physiology is quietly doing something remarkable.

Here is what is actually happening inside your body as you show up consistently at Formation.

Your brain starts building new pathways

The first few classes at Formation are genuinely challenging for your nervous system, not just your muscles. Learning choreography requires your brain to form new motor patterns, a process called motor learning. Each time you repeat a movement sequence, the neural connections involved become faster and more efficient through a process called myelination, in which the nerve fibres responsible for that movement are coated with a protective sheath that speeds up signalling.

This is why the combination of music, movement, and coordination that defines Formation classes is particularly powerful. Research published in Frontiers in Human Neuroscience found that dance-based exercise activates multiple brain regions simultaneously, including the motor cortex, basal ganglia, and cerebellum. This multi-region activation accelerates learning and has measurable effects on cognitive function, including improved memory, attention, and processing speed.

By class five, those pathways are beginning to solidify. The choreography that felt impossible in class one starts to feel like something your body simply knows.

Your cardiovascular system becomes more efficient

Freedom classes are designed to keep your heart rate elevated, which means your cardiovascular system is working hard from the moment you start moving. Over repeated sessions, your heart adapts in a very specific way: it becomes better at pumping blood per beat. This is called increased stroke volume, and it is one of the earliest measurable signs of cardiovascular fitness improving.

You will notice this as reduced breathlessness during the same movements that left you gasping in class one. Your body is not just getting used to the discomfort. It is structurally improving its ability to deliver oxygen to your muscles. The American College of Sports Medicine notes that cardiovascular adaptations begin appearing within the first two to four weeks of consistent aerobic training, which means five classes places you right at the beginning of this shift.

Your muscles are being recruited differently

Our Power classes combine cardio with strength elements, which means your muscles are not just being challenged aerobically, they are being asked to contract with force, coordinate across multiple joints, and sustain effort over time.

One of the earliest neuromuscular adaptations to strength-based training is improved motor unit recruitment. Your muscles are made up of motor units, each containing a nerve and the muscle fibres it controls. In the beginning, your nervous system only activates a portion of these units during any given movement. With repeated training, it learns to recruit more motor units simultaneously, which means you produce more force without your muscles actually changing size. This is why you can feel significantly stronger after just a few weeks of training, even before visible changes occur.

This adaptation is well-documented in exercise science literature and explains something many people find confusing: feeling stronger before looking different. Both are real. They just happen on different timelines.

Your mood regulation system is getting a genuine upgrade

The mood lift after a Formation class is not imagined, and it is not just endorphins. The science of exercise and brain chemistry is more layered than that.

Exercise increases levels of brain-derived neurotrophic factor (BDNF), sometimes called Miracle-Gro for the brain. BDNF promotes the growth of new neurons, particularly in the hippocampus, the brain region most associated with memory and emotional regulation. Research from Harvard Medical School has shown that regular aerobic exercise meaningfully increases hippocampal volume, with effects that rival antidepressant medication for mild to moderate depression.

Dance-based exercise adds another layer. Moving in synchrony with others and with music triggers the release of endorphins through a phenomenon researchers call social bonding. A study from the University of Oxford found that group dancing produced significantly higher pain thresholds (a marker of endorphin release) than solo exercise, even when the intensity was identical. The community aspect of Formation is not just a nice feature. It is part of what makes it biochemically effective.

Your stress response starts to recalibrate

One of the less-talked-about benefits of consistent exercise is what it does to your cortisol response. Cortisol is your primary stress hormone, and in modern life, many people experience chronically elevated levels. This has downstream effects on sleep quality, fat storage (particularly around the midsection), immune function, and mood.

Exercise creates a temporary spike in cortisol during the session itself, which sounds counterintuitive. But this acute stress teaches your body to become more efficient at clearing cortisol afterward. Over time, regular exercisers tend to show lower baseline cortisol levels and a more proportionate stress response compared to sedentary individuals. A review in the journal Neuroscience and Biobehavioral Reviews found that consistent aerobic exercise measurably reduces hypothalamic-pituitary-adrenal (HPA) axis reactivity, meaning the system that controls your stress response becomes better regulated with training.

After five classes, you are not yet at the finish line of this adaptation. But you are in it. The pattern is beginning.

What this means for you

Five classes is not a transformation. But it is also not nothing. It is the point where your brain has started rewiring, your heart has begun adapting, your muscles are recruiting more efficiently, your mood chemistry is shifting, and your stress system is learning a new baseline.

It is also the point where showing up starts to feel different. Not easy necessarily, but familiar. Less like something you have to convince yourself to do and more like something your body is beginning to expect.

That is the window we are most interested in at Formation. Not just the class itself, but what happens when you keep coming back. If you are in your first few classes, the awkwardness you feel is not a sign that this is not for you. It is a sign that your brain is working hard to build something new.

The bottom line: The physical changes from regular exercise begin earlier than most people expect, and many of them are happening before you can see them. After five Formation classes, your cardiovascular system, nervous system, muscles, and brain chemistry are all in the early stages of meaningful adaptation. Keep showing up. The science is on your side.

Scientific References

1. Kattenstroth, J.C., et al. (2013). "Six months of dance intervention enhances postural, sensorimotor, and cognitive performance in elderly without affecting cardiorespiratory functions." Frontiers in Aging Neuroscience, 5, 5. (Dance-based exercise and multi-region brain activation.)

2. Hanna-Pladdy, B., & MacKay, A. (2011). "The relation between instrumental musical activity and cognitive aging." Neuropsychology, 25(3), 378-386. (Motor learning, myelination, and neural efficiency.)

3. American College of Sports Medicine. (2018). ACSM's Guidelines for Exercise Testing and Prescription (10th ed.). Wolters Kluwer. (Cardiovascular adaptations to aerobic training timeline.)

4. Enoka, R.M. (2008). Neuromechanics of Human Movement (4th ed.). Human Kinetics. (Motor unit recruitment and early strength adaptations.)

5. Ratey, J.J., & Loehr, J.E. (2011). "The positive impact of physical activity on cognition during adulthood: a review of underlying mechanisms, evidence and recommendations." Reviews in the Neurosciences, 22(2), 171-185. (BDNF and hippocampal neurogenesis from aerobic exercise.)

6. Tarr, B., Launay, J., Cohen, E., & Dunbar, R. (2015). "Synchrony and exertion during dance independently raise pain threshold and encourage social bonding." Biology Letters, 11(10). (Endorphin release in group dance vs. solo exercise.)

7. Zschucke, E., Gaudlitz, K., & Strohle, A. (2013). "Exercise and physical activity in mental disorders: clinical and experimental evidence." Journal of Preventive Medicine and Public Health, 46(S1), S12-S21. (HPA axis regulation and cortisol response with consistent aerobic training.)