“Widen the Gap” by Gregor Erdmann

“If we look at our average uke, we notice that they have an internal structure made up of bones, joints and muscles. This structure in a static state has a high intrinsic strength in certain positions and is vulnerable and weak in others. Generally, forces along the bone line are easily absorbed and those applied at 90 degrees to the bone line require effort from the uke to maintain structural integrity. Joints too have varying degrees of movement and can be quite complex. Fortunately, all humans are roughly the same in their physical structure and so any questions we have regarding the easiest way to move a body can be answered through examination of ourselves.

The uke also has inertia towards us. In fact, it is only when the inertia is towards us that we need concern ourselves. It is important to take note of this as applying forces in line with this inertia will increase the speed of the uke, whereas a force 90 degrees to their inertia will create a circular movement which generally increases the relative speed between the uke and yourself. Both of these cases will reduce an ukes stability.”

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