IK is "always" on by default. It can easily be fixed by turning it off and resaving the character to the library though :)

Another thing is that once you get used to working with IK (and gravity) it gives you much more believable poses in general. 

 

I think it's on by default because it makes sense in regards to animation. the fact is that few people animate, but well.. it's "habit" by now :)

 

And IK's with 99% certainty what's wrong here :)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.