You may be dealing with spraddle leg.
This site goes over how to handle that
http://www.poultryhelp.com/spraddle.html
including pictures on how to fix the legs so they can be used.
Hope this helps you!
This question was started on March 20 in the morning.
Sorry the info came too late for it to do you any good.
You can always close out a question if you no longer want an answer.
Wild Bird Expert
Rehabbing wild birds, raising nestlings, study and observation of many species