3DS Max inserts extra keyframes on FBX import

[Anonymous]

I am importing an animation that I have created using the FBX SDK.

I have only set 12 keyframes for each bone.

All bones except the "hips" bone imports fine.
For the hips bone all of the rotation keyframes are "baked", even though only 12 keyframes are present in the FBX file, see attached screenshots.

Importing through Maya works just fine, see attached screenshot.

Does anybody know what is going on?

I am using 3DS Max 2020 22.0 - 22.0.0.757

[denisT.MaxDoctor]

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@Anonymous wrote:

I am importing an animation that I have created using the FBX SDK.

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where do you import it from?

one guess i have - the hip bone is constrained, and inherits its animation from its target or parent.