Movable 3D Human Model

KineBody Pro Operating Instructions

Unlimited ROM

With KineBody Pro, you can disable the prescribed range of motion (ROM) limits for any joint DOF, by checking the ‘Unlimited ROM’ checkbox (located in the 5th ‘subpanel’ on the right side). This box is unchecked by default, which causes the range of motion for DOF of each joint to be limited to a realistic range. For example, when you select the tibio-femoral (knee) joint, you can move it up to 140° in flexion or 5° in extension. [These upper & lower limit values are displayed at the ends of the corresponding slider for that DOF, e.g. :

     flexion/extension (°): [ 0.000] -5 [--[]-------------------------] 140 ].

The upper and lower limit values apply not only when you use the slider, but also if you move the joint using the joystick (i.e., by dragging across the viewing area).

The upper & lower limit values are generally average values for adult populations, and as such they may be too restrictive to represent highly flexible individuals. By checking the Unlimited ROM checkbox, you can move any joint beyond its prescribed limits, generally over a range of ±180°. (Such wide ranges may of course be very unrealistic, but that’s the downside of using this feature). Note that the enable/disable action applies globally: all joints & DOF will be limited, or, all joints will be unlimited.

You can re-enable the range limits at any time. If you do so, note that any ‘out-of-range’ angles will not automatically be returned to the realistic range. Rather, they will remain as is, until you try to adjust them again. This makes it possible to disable the limits selectively: you can disable limits before adjusting one particular joint DOF, but then re-enable them before adjusting any subsequent joints, without changing the out-of-range joint. With this capability, you may have to tolerate an adverse side effect: an out-of-range joint may ‘jump’ back to fit within the limits, if you try to adjust that joint after the limits are restored.