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What exactly is Flywheel Training?
Flywheel training is a type of strength training that uses an inertial flywheel to provide resistance rather than traditional gravity-based resistance training with weights. According to this scientific paper, one of the most important aspects of flywheel training is the ability to perform exercises with eccentric overload and variable resistance.
How Does Flywheel Training Work?
Flywheel training uses a rotating disc rather than traditional weights. The disc, also known as an inertial flywheel, is connected to a cord. When you pull on the cord, the inertial flywheel begins to rotate. You will encounter resistance during this acceleration. This section of the movement is known as a concentric movement.
When the cord is fully unwound, the inertial flywheel maintains its rotation speed and pulls the cord back, much like a yo-yo. You must now decelerate the flywheel to slow it down. This section of the movement is known as an eccentric movement. Flywheel training is unique and effective because of its eccentric movement. That's why we wrote a comprehensive blog post about it: How to Create Eccentric Overload in Flywheel Training.
What's The Difference Between Flywheel Training & Traditional Weights?
Traditional weight training is gravity-based, whereas flywheel inertial training is kinetic energy-based. As a result, the first noticeable difference is that a flywheel exercise machine can generate a significant amount of resistance while remaining lightweight.
During a flywheel workout, you will notice that the energy you put into the concentric phase (pull) equals the energy you must put into the eccentric phase (deceleration) to slow down the flywheel. We are not used to this in traditional strength training. In other words, a flywheel workout involves constant resistance. As a result, eccentric (over)load is emphasised more than in weight training. This is precisely what distinguishes flywheel training.
About Kynett
In collaboration with physical therapists and fitness trainers, Kynett B.V. created a simplified mobile version of a "flywheel training device" called the Kynett ONE. One of the most difficult challenges was keeping the total weight as low as possible while maintaining as much functionality as possible. Kynett were able to use high-quality materials and design flywheel diameters that generate a lot of resistance without making them heavy by applying physics laws.
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