I don't know exactly what arrows do, but when I try to change a bone positioning on frame 0, it doesn't remain on that position. That green arrow may have something to do with this. How do I move it back to frame 1?
AS 9.5 MacPro Quadcore 3GHz 16GB OS 10.6.8 Quicktime 7.6.6
AS 11 MacPro 12core 3GHz 32GB OS 10.11 Quicktime 10.7.3
Moho 13.5 iMac Quadcore 2,9GHz 16GB OS 10.15
Moho 14.1 Mac Mini Plus OS 13.5