
Why You're Not Losing Weight with Hot Yoga
Why aren't you losing weight with hot yoga?
Hot yoga, which combines yoga's slim-down image with a hot environment that makes you sweat profusely, seems like it would have a powerful effect on weight loss. But is hot yoga really an exercise that helps you lose weight?
● I'm doing hot yoga, but I'm not losing weight...
● Hot yoga instructors don't look like they've done any body shaping...
● I feel like there are many women who are overweight but still attend hot yoga...
● I'm sweating a lot in hot yoga, but I'm not losing weight...
● I can't lose weight even with hot yoga...
● I feel like I've gained weight since starting hot yoga...
We receive countless diet consultations with these cries of frustration and questions about why hot yoga isn't working.
The simple conclusion is: this is a fact.
The reason is simple.
The fundamental principle of dieting is to increase your basal metabolism, which accounts for 70% of the energy consumed by your body.

The only way to increase your basal metabolism is to increase your muscle mass.
The only tissue in your body that burns fat is muscle.
Now, let's look at yoga from the perspective of "increasing muscle mass."
From a muscle physiology standpoint, two conditions are required to increase muscle:
1. Physical Process
Muscles have a property of adapting to a gravity environment. For example, astronauts return to Earth wobbly because their muscles atrophy in a zero-gravity environment. Conversely, muscles grow when subjected to a load that creates a gravity environment greater than 1G.
2. Chemical Process
This refers to growth hormones. Growth hormones are secreted when muscles are in a state of hypoxia due to muscle contraction and extension.
These two conditions are essential for increasing muscle.
Now, do the static poses of yoga meet these conditions?
Unfortunately, they don't meet either of them.
Performing hot yoga in a sauna-like environment where you sweat just by sitting still is no different. The poses in hot yoga have no load and no muscle contraction and extension.
This means you cannot increase muscle mass with hot yoga. Since muscle mass doesn't increase, you can't increase your basal metabolism.
What about activity metabolism?
Think about the laws of physics.
[Law of Physics] Work (calories) = Weight of object x Distance moved
As you know, in hot yoga, you hold poses and stay still.
This means there is no distance moved. Therefore, the calorie consumption is technically zero.
In reality, no matter how difficult the pose, the actual calorie consumption is only about 1 to 2 calories.
Whether you sweat a lot or not in hot yoga, the calories burned from the exercise itself are the same.
While there may be ideological differences between various styles of yoga, they are almost identical from an exercise physiology perspective.
In other words, hot yoga uses muscles by holding poses, but it doesn't increase basal metabolism, and the calorie consumption is minimal. The sweating in hot yoga is just an effect that makes you feel like you're losing weight.
Furthermore, many women who frequently attend hot yoga sessions suffer from a state of complete difficulty in losing weight. This is because excessive sweating in the sauna-like environment depletes important components in the blood, and in severe cases, it can lead to anemia. In such a state, which is a step away from being unhealthy, it's impossible to lose weight or do body shaping, no matter how much you exercise or diet...
Even if the number on the scale goes down, it's just a temporary drop in weight due to forcibly losing water in a harsh, hot environment.
This is nothing more than a temporary diet that only makes you look emaciated for a moment.
I sincerely hope that my knowledge and 30 years of experience as a personal trainer in body shaping and dieting can be of help to as many people as possible.
High-Quality Personal Training Cultivated Through Pro Model Body Creation
Professional models do not exercise or train for the purpose of losing weight. Our high-quality body shaping personal training is cultivated through pro model body creation and is for the sake of fashion.
Personal Trainer
At Models, Toshiaki Ozeki, a personal trainer with 30 years of experience, provides personal training. "Body shaping = Fashion" — Models' personal training is a world apart from sports training and bodybuilding contest-style training.
### Personal Training
for the General Public
- ✔︎ For women who want to achieve a sophisticated posture
- ✔︎ For women who want to move their bodies without strain
- ✔︎ For women who want to improve their physical stamina
- ✔︎ For women who want to build balanced muscle
- ✔︎ For women who want to change their body line
Please click here for information on the process, fees, and rules for Models' personal training for the general public.
### Personal Training
for Professionals
- ✔︎ For women who are often seen by others
- ✔︎ For women in professions that require them to be in the public eye
- ✔︎ For women who aspire to be a fashion model
Please click here for information on the process, fees, and rules for Models' personal training for professionals.
Body Shaping Methods

Many women think they should do more lower body exercises to slim their lower body! Are you also focusing blindly on lower body exercises because you want to slim your lower body? However, if the form doesn't match your skeletal structure, your hips and thighs might actually get bigger with muscle development. This is the dilemma of lower body exercises - even though you're doing body shaping...

From the extensive model guidance experience of personal trainer Toshiaki Ozeki, who has the #1 track record in model body shaping, it has been discovered that top models have developed what are called "model muscles" - muscle areas that ordinary people don't have. If you develop model muscles, you can achieve a model skeleton and automatically get a model body type. With model muscles, you can achieve the same straight, linear model body lines as top models.

Does doing lots of abdominal exercises remove fat from the waist? If you think so, that's a big problem! To conclude, body shaping is not that simple. Conversely, belly fat can be removed and the waist can be slimmed without doing abdominal exercises. To change a body that's hard to lose weight, you need authentic women's body shaping that produces results.

Slender, straight, thin stick legs - so-called model legs - have become essential not just for models but for all women in today's fashion-forward world where showing legs is mainstream. While model leg body shaping tends to focus only on making legs thinner, the key point of model leg body shaping is creating the straight, linear appearance of the legs.

In model body type body shaping, we reduce overall fat, change the shape of areas of concern, adjust posture and skeletal silhouette to straight joint angles, and organize body type lines. We polish the model body type by developing the same model muscles as top models. Finally, we add model body functions to achieve perfect finishing - this is true model body type body shaping.

To slim and beautifully shape your calves, you first need to objectively determine the cause of your thick calves. Causes of thick calves include: ① fat accumulation causing thickness, ② muscle causing thickness, ③ a combination of both. For cases ② and ③, body shaping that reduces calf muscle is essential.

While "pelvis" has become a standard term in women's body shaping and women's diet training, there are endless consultations about pelvis body shaping: "I didn't lose weight in a feminine way," "I didn't get a slender model-like body type," "I didn't lose weight at all"... Aren't you fed up with body shaping that uses the plausible-sounding word "pelvis" to obscure what's really happening?

Women with good posture are beautiful and cool. Good posture alone makes you look slimmer. Everyone surely thinks so. Even if you work hard to lose weight and diet, if you don't have beautiful posture, you won't look slender and your body shaping efforts will be wasted, won't they? In authentic body shaping, we don't leave posture to conscious effort - beautiful posture is achieved through body shaping training that changes the underlying skeletal joint angles.

Have you experienced doing upper arm exercises to slim your upper arms but finding that your upper arms don't get thinner? Or dieting but your upper arms don't look thinner? You might hear that you should do lots of upper arm exercises because your upper arms are a concern, but you've probably already realized that doing only upper arm exercises has almost no effect on reducing upper arm fat or slimming them.

Do you really understand the body mechanisms for weight loss and the systems that enable dieting? Is not eating the best way to lose weight? Is exercise unnecessary for weight loss? Can you lose weight by going to diet gyms or women's exclusive body shaping gyms? Does cardio burn fat? Foods introduced on TV one after another and exercise books lining bookstore shelves... The honest truth is you don't know which ones are really effective!!

"Body Shaping = Fashion" - We shape your body to a type that can wear any outfit like top models, allowing you to freely enjoy fashion as you shape your body. This can only be achieved through authentic body shaping. Instead of being chosen by clothes, you shape your body for the clothes. Why not freely shape your body type to enjoy fashion?