>>2459436In the bone manipulation panel, make sure the Physics button is disabled, then just select the desired bone from the display panel, bones with physics can be located easily by their x shaped key frames, register one your selected bone and the x will change into the regular diamond shape, indicating physics are disabled for that bone then just pose and register the bone as usual, the moment you want to re-enable physics just enable the physics button and register the bone where you want to be enabled.