Galileo Research Facts No. 167: Are Joint Torques during Galileo Training Dependent on Frequency and Amplitude?

This study measured the ground reaction forces (the forces between the feet and the Galileo Platform) during Galileo Training at different frequencies (10, 20, 30Hz) and different amplitudes (foot position 1, 2, 3) and calculated the resulting torques in the knee and hip joints (also see #GRFS160).

While earlier studies (#GRFS7, #GRFS6)investigated joint forces in patients with artificial knee joints, hip joints and vertebra with built-in force sensors, this study measured ground reaction forces and estimated joint torques using mathematic models. The obvious result is that joint moments can be controlled by amplitude and frequency.

According to the actually measured ground reaction forces (#GRFS160) the joint moments were calculated from, even at intense Galileo Training at high amplitudes and high frequencies the resulting joint torques are comparable to those during walking. The study proves once more how safe Galileo Training is especially for joints because even during intense Galileo Training joint forces and joint torques are in the order of natural walking – furthermore, these values can be further decreased by decreasing frequency or amplitude. This shows how scalable Galileo Training is

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