Open 365 days a year

Always personal guidance

100% Results Guarantee

35 minutes per training

15x more results than regular fitness

Open 365 days a year

Always personal guidance

100% Results Guarantee

35 minutes per training

15x more results than regular fitness

Over Happy Bodies

Unique method in the Netherlands

At Happy Bodies you train using an innovative, electronically controlled method under the guidance of an experienced lifestyle coach. Get the most out of your workout without spending hours at the gym.

Member of Happy Bodies
Member of Happy Bodies
Member of Happy Bodies

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Happy Bodies club
Slim & Fit

In only 35 minutes

15x

More effective

100%

Guaranteed results

Coach of club Happy Bodies with two members, thumbs up

Electronically controlled training with guidance from an experienced lifestyle coach

An innovative method using technology to increase the effectiveness of strength training. By providing precision resistance during both the concentric and eccentric phase of an exercise, the training result is optimized.

This approach ensures more muscle stimulation, a more efficient training session, and a lower risk of injuries. Scientific studies show that this way of training can lead to significantly more muscle growth and strength development in a shorter amount of time. But how exactly does this work? And what scientific principles are behind it?

  •  You prevent muscle shortening and stimulate full muscle development, which contributes to better posture, flexibility, and injury prevention.
  •  More mechanical tension = more muscle growth.
  • More growth hormone production, more muscle mass, and better training results in less time.
Personal guidance with the smartest fitness

Full Range Training: maximum muscle activation throughout the entire movement

Traditional strength training with dumbbells or plate-loaded machines often limits muscle load to the middle of the movement – the point where the muscle is strongest. At the beginning and end of the movement, the muscle is weaker and barely any resistance is provided.

However, electronically controlled devices adjust the resistance dynamically to the user strength curve. This effectively activates the muscle over its full range of motion.

Advantage: You prevent muscle shortening and stimulate full muscle development, which contributes to better posture, flexibility, and injury prevention.

Eccentric Overload: Train harder where it really counts

The eccentric phase of an exercise (the returning or lengthening movement) is where the muscle is strongest and has the most potential for muscle growth. In traditional training, however, you are limited to the weight you can lift in the concentric phase (upward movement).

Electronically controlled machines make it possible to train with up to 60% more resistance during the eccentric phase—without needing help from a training partner. This creates more microtrauma in the muscle fibers, which is essential for muscle recovery and growth.

Advantage: More mechanical tension = more muscle growth.

Metabolic Overload: faster and safer to muscle failure

In traditional strength training, it is primarily the final repetitions—when the muscle is nearly exhausted—that provide the greatest training stimulus. This is known as training to muscular failure. Unfortunately, this is often performed inefficiently (many ‘unnecessary’ repetitions) or unsafely (e.g., with cheat reps or drop sets).

With electronically controlled training, such as through isokinetic resistance, maximum effort is required from the very first repetition, in a completely controlled and safe manner. This leads to rapid metabolic exhaustion, an important signal for muscle adaptation.

Advantage: More growth hormone production, more muscle mass, and better training results in less time.

Why choose Happy Bodies?

In addition to the personal guidance of our experienced lifestyle coaches, we utilize the latest technology in strength training. This transforms the way we approach muscle building, rehabilitation, and performance. This method combines science, safety, and efficiency for maximum results.

  • Up to 5x more muscle growth through optimal mechanical and metabolic stimuli
  • Up to 2x more strength gains thanks to advanced resistance control
  • Train more efficiently in less time
  • Train safer, without unnecessary overload or risk of injury
  • Suitable for all skill levels, from beginners to elite athletes

Frequently asked questions

Can I take a free trial lesson?

Everyone receives a personal introductory meeting and tour of the club during their first appointment. This allows you to see whether the club appeals to you. We will discuss which goals you want to achieve and explain how we can best help you. Naturally, the introductory meeting and tour are completely free!

Can I also work out at other locations?

What are the opening hours of Happy Bodies clubs?

Is there always personal guidance?

How often do I need to train to achieve results?

Fit & Slim
in 35 minutes.
Seriously. Guaranteed.

Not an ordinary gym, but smart technology, always personal guidance and an approach that really works. Only 35 minutes at a time, once every 5 days. 100% at your level.

Team and members of Happy Bodies Lifestyleclubs