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Galileo Research Fact Sheet #95: Does muscular activation with Galileo Training increase with increasing frequency?


This study investigated the immediate effects of Galileo Training with different frequencies (no vibration, 10Hz and 20Hz) on the muscle activation of 8 different Muscle groups from calf to neck. The measurement was done by EMG signals where only the frequency range of 50 to 300Hz was analyzed. The individuals stood in almost upright position with slightly flexed knees and EMG signals where recoded over a period of 10 seconds.

The results showed a significant increase of muscle activation with increasing frequencies. The effects strongly depend on the tested muscle groups and the posture with increases of up to 2250% (a 100% value was defined as EMG activation at identical posture but without vibration).

This study proves what everyone can feel while on the Galileo. However, it even underestimates the increases due to Galileo Training since Ritzmann (#GRFS23) showed that frequencies up to 30Hz and increasing amplitudes (pos. 3) can increase EMG even more. Furthermore Ritzmann also showed that the elimination of the training frequency (in this case 10 and 20Hz) within the EMG signal is not advisable since every movement of the platform causes a stretch-reflex and therefore a significant signal component at the training frequency. Therefore, it can be expected that using higher frequencies and amplitudes as well as optimizing the analysis algorithms would increase the measured muscle activation even more than 2250%. 

Common - Muscle Activation (EMG)   

Product groups: Galileo used devices, Galileo® Training Devices
Topics: Muscle-Bone Relation, Training & Study Support, Training with Galileo®