Every gym listed here comes with its address, opening hours, training areas and the classes on its timetable, together with ratings from people who trained there. Filter by city or region to shorten the list.

Ratings written on site through a gym's QR code are signed as they are submitted, and the signing key behind them is anchored in the blockchain.

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## Fitness, training and building muscle

If you want to take an active role in your own health, there is rarely a way around fitness. Regular exercise strengthens the cardiovascular system, the metabolism and the immune system — and it demonstrably works against stress, sleep problems and psychological strain. The first step is usually the hardest: breaking out of your routine and finding a training plan that fits into your everyday life.

### Which type of training suits me?

The ideal form of training depends on your goal, your previous experience and your physical condition. Moderate endurance training (running, cycling, swimming) improves basic fitness and is the ideal starting point for most beginners. Strength training rounds out the programme — properly dosed, it strengthens muscles, bones and posture, without an exaggerated bodybuilder look having to be the goal.

If you have chronic complaints or are returning after a longer break, it is worth going through a gym with professional guidance. A qualified trainer corrects movement patterns, prevents injuries and puts together a plan that matches your current level of fitness.

### Gym, classes or training at home?

Every format has its advantages and drawbacks:

- **Gym** — access to equipment, personal supervision, fixed training times. Helpful for beginners and for anyone who finds it hard to stay motivated alone.
- **Group classes** — yoga, Pilates, functional training or indoor cycling. The social effect plus guidance from an instructor.
- **Home training** — flexible and inexpensive. Suitable once your technique is solid — otherwise poor execution brings a risk of injury.

### Nutrition as part of your training

Without the right nutrition, even the best training only delivers half the results. If you want to build muscle mass, you need enough protein; if you want to lose weight, keep an eye on a moderate calorie balance. Supplements such as whey protein or creatine can be useful — but they are not essential. Anabolic steroids and unsupervised hormone preparations have no place in a healthy training routine and should only ever be taken on medical instruction.

### Finding fitness providers you can rely on

With gyms, personal trainers and class providers in particular, trust is decisive: the qualifications of the trainers, hygiene standards, contract terms and the atmosphere on site can only really be judged during a trial session — or through genuine reviews from other members.

McGesund brings together reviews from the fitness sector and makes sure that every review comes only from real customers. QR code based verification, geolocation and quantum-resistant encryption prevent the fake reviews that distort the picture on many platforms. The result is a reliable overall impression — before you sign a contract or take out a membership.

Gyms, personal trainers and classes in an honest comparison — entirely without bought stars. Reviews are signed in a quantum-resistant way and are therefore protected against forgery.

Gym – Page 66

Businesses and reviews in Gym

The Barbell Club

Brandon Iyengar Yogacentrum

Anytime Fitness

Basic-Fit

Gymbase Amsterdam

Health Fitness Club

PT Robin

Fit20

Dreamfit

SportsArt

Basic-Fit

De Sportkamer

Dave Jonkers Gym

L&L Yoga & Pilates

HaPPPy

Personal Fitness

Basic-Fit

Bodytec Leidschendam

De Loods Nieuwegein

SMC Fysiomed

Specialist areas