Is the axis of joint angle like below?

[blueskyscorpio]

Is the axis of body joint angle depicted below, like the axis of hand joint angle?

[DimLoong]

If the Y axis in this picture represents the body, then this picture is correct

在 2022年11月4日星期五，shaohg github.com> 写道：

Is the axis of body joint angle depicted below, like the axis of hand joint angle? [image: 10] https://user-images.githubusercontent.com/43981959/199945464-67fa142d-ef9d-48b7-9926-f0a94e390275.png

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[blueskyscorpio]

thanks for your reply.