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Surge of Chi Exercisers

Surge of Chi Exerciser Mark 2
now known as
FlexxiCore Passive Exerciser

The Mark 2 version has been upgraded to the FlexxiCore Passive Exerciser

The Surge of Chi Exerciser Mark 2 was upgraded and relaunched in 2009 as the FlexxiCore Passive Exerciser. This model is based on an innovative design with the latest technology and features. This user-friendly passive exerciser that gives stimulating exercise in a way that suits all ages, fitness levels and health conditions.

To watch a video giving a short presentation on the FlexxiCore and the background to this class of passive exercise machines generally, please click here. (This video is hosted on our product showcase website at, where you will find an indepth library of information on the product).

We have two more coaching videos which help you to get the best out of the FlexxiCore, including extra mid-session positions and after-session floor exercises to increase the effects of releasing tension and giving extra flexibility. 

A key feature which distinguishes the FlexxiCore from the earlier machines in its class which originated in Japan is its fully programmed variable speed control. The speed can be dialled very precisely, in increments of 1 RPM, over a very broad range from 80 to 160 RPM. The gentle starting speed means that even those with great sensitivity or with seriously compromised health conditions can enjoy the benefits.

The body's natural response to the FlexxiCore's swinging motion acts to stimulate the nervous system, and this helps to boost the body's own healing and energy systems.

Three pre-programmed Auto-Modes allow the user to enjoy variable speeds during a 15-minute session, without needing to use any manual controls. Shorter sessions can be chosen with the Timer Button, and the LCD screen on the hand control module allows you to see what speed you are doing, how many minutes you have left during your session, and to check all the other functions, at any time.

Built to Last: 

The heavy duty DC motor has a low-friction engineering design that offers a longer life (performs well under endurance tests based on 3000+ hours constant use under 20kg load), smoother ride, less noise and greater temperature resistance than the AC motors of the 1st-generation passive exercise machines in this class that originated in Japan - as well as having the capacity for smooth and precise programming with fully adjustable speed controls.

The FlexxiCore has these features:

  • Broad speed range from 80 RPM to 160 RPM

  • The swing travel of 1.75 inches / 4.5 cm compares with the 1.5 inches / 3.7 cm travel of first-generation Chi Exercisers. This swings the hips a little further, but more importantly it gives much better mobilization of the whole back.

  • Hand-held controller with LED screen displaying all functions including speed, time of session, auto programme selection

  • Manual dial gives exact speed control ‐ you can adjust to suit your body condition and feeling precisely

  • The LED screen displays the ongoing status of all functions

  • Current speed shows on screen at all times

  • Timer button: you can set the session time to 5, 10 or 15 minutes

  • The elapsed time is continuously updated during a session and displayed on the LED screen – so you can check how much time remains, at any time

  • Speed & Timer controlled in increments of one

  • Three pre-programmed Auto-Modes - enjoy varying speeds during the course of a 15-minute session without needing to use any manual controls

  • Leisure Time Mode – relaxing & energizing

  • Oxygen Mode – stimulating & invigorating

  • Sleep Mode – deeply relaxing, many use this before bedtime

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