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What is KAATSU Training?

KAATSU Training is a method of strength training that involves applying pressure to the base of the arms and legs using specialized belts to appropriately restrict blood flow. By restricting the flow, muscles quickly reach a low-oxygen state, stimulating muscle fibers that are rarely used in daily life. This allows for highly efficient training with low impact and in a short amount of time, making it increasingly popular in recent years.

Why Restrict Blood Flow?

The most crucial concept in KAATSU Training is “appropriately restricting blood flow.” It is important to note that we never “stop” the blood flow.

Using specialized pneumatic belts, pressure is applied to the base of the limbs. By cycling through pressure and decompression, we identify the “optimal pressure” where blood begins to pool in the extremities. This forces blood into capillaries and vessels that were previously underutilized.
In this state, the body reacts as if it were undergoing extremely intense exercise. Consequently, even with light loads, you can achieve the same physiological effects as heavy-load training.

Training at optimal pressure causes lactic acid concentrations to rise, triggering a massive secretion of growth hormone, which helps burn fat and maintain skin elasticity. During KAATSU, growth hormone levels can reach approximately 10 times that of normal training and nearly 290 times the level of the body at rest. This secretion continues for about two hours, providing various systemic benefits.

Benefits of KAATSU Training

Dietary Effects
The increase in growth hormone makes the body less prone to weight gain. Additionally, increased muscle mass boosts your basal metabolic rate.
Improved Circulation
Cycling between pressure and decompression restores vascular elasticity. This improves blood flow and metabolism, helping with cold extremities and stiff shoulders.
Faster Recovery
Research suggests KAATSU accelerates recovery from fractures, torn muscles, and sprains as growth hormone speeds up the repair of bone and tissue.
Strength Building
High results are achieved with light loads, making it easy to sustain. It targets both fast-twitch and slow-twitch fibers effectively with low risk of injury.
Anti-Aging Effects
Growth hormone promotes cell regeneration, returning luster and resilience to the skin. It also improves nutrient and oxygen delivery to cells.
Better Sleep
Growth hormone secretion improves sleep quality, helping you feel more refreshed and energized even with shorter sleep durations.
Research Papers on KAATSU Training

Results of KAATSU Training… *Examples of user feedback
  • Slimmer waistline
  • Can wear slimmer clothes
  • Slimmer arms
  • Increased stamina and reduced fatigue
  • Easier walking
  • Easier to climb stairs
  • Relief from knee pain
  • Resolved stiff shoulders
  • Improved lower back pain
  • Resolved hip joint pain
  • Relief from cold extremities
  • Lowered blood pressure
  • Better sleep quality
  • More hydrated skin
  • Increased skin clarity
  • Resolved dry skin
  • Improved hair quality
  • Increased metabolism
  • Improved sweating function
  • Faster recovery from fractures/sprains
  • Improved athletic performance

The above are actual comments from our users. Results vary based on training intensity and lifestyle, but many consistently experience positive changes.

How to Correctly Apply Upper Limb Belts (Video | Expert Supervision)

KAATSU Training relies on optimal pressure settings and correct application. In the following video, a nationally licensed professional demonstrates the correct position (proximal humerus), tightness guidelines, and post-application checks.
At our center, we follow clinical standards. **Our staff will always verify your optimal pressure and provide safety guidance during your first session.**

Precautions (Please Read Carefully)

• If you feel pain, numbness, coldness, or see skin discoloration, release the pressure immediately.

• If you feel shortness of breath, palpitations, or dizziness, stop and consult staff.

• The belt must be at the base of the arm (proximal). Check for slipping.

Do not set high pressure on your own (Staff must verify pressure during the first session).

• If you have pre-existing conditions or are taking medication, please consult a doctor or our staff beforehand.

Nationally Licensed Trainers

KAATSU Training requires specialized expertise to ensure safety and effectiveness. We recommend instruction from trainers certified by recognized third-party organizations for the following reasons:

Attention Points
01. Complexity of Load Selection
Incorrect load or menu selection can lead to unintended muscle hypertrophy in areas like the biceps rather than boosting overall metabolism.
02. Careful Circulation Management
Since we mimic high-intensity exercise by restricting flow, those with weak “muscular pumps” may experience anemia-like symptoms if not monitored correctly.
03. Differences in Trainer Expertise
KAATSU involves unique physiological mechanisms. It is vital to receive guidance from a trainer who can determine the correct load and set count for your specific body.

Our center provides guidance by medical professionals. We utilize our knowledge of anatomy to provide optimal training tailored to your skeletal alignment and muscle balance.

KAATSU Sessions in Action

KAATSU Shoulder Press (Deltoid Strengthening)

Certified KAATSU Special Instructors

A KAATSU Special Instructor is an advanced qualification granted to instructors with extensive experience who have completed high-level clinical and practical training through KAATSU International University.

(Source: Kaatsu Training)

Japan’s First Special Instruction Certification

Special instruction training for KAATSU has begun. Completion of this course grants a license certifying accurate and safe KAATSU guidance. **Mr. Maeda**, the representative of Medical Japan, was the first in Japan to obtain this certification.

KAATSU Training Q&A

References