[ X ] "Bend Body Parts"  <<< You prolly need to do this.

It's on the main menu under "Display" >>> "Bend Body Parts"

There is, also, a [X] Bend for each Body Part in the "Properties" window under [X]  "Visible".

If these do not fix your problem, you may need  to "weld" the body parts.

cheers,
dr geep
;=]

Remember ... "With Poser, all things are possible, and poseable!"

cheers,

dr geep ... :o]

edited 10/5/2019