*(click the image to view full size)*

Epilog:

In addition to making the parameter dial "visible," you may, also, need to ...
UNlock the object (body part) ... if you can not change the parameter's value.

(See the above image for reference)

It is easy ... just  select the object and then use the menu to ...

"Lock" (checked) ... or ... "UNlock" (unchecked) ... the actor (object).

Click to "Lock" and click it again to "Unlock" ... it toggles.

I include this info just in case (JIC).

cheers,
dr geep
;=]

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

cheers,

dr geep ... :o]

edited 10/5/2019