İn this video ı tried to explain basic informations for makehuman skeletons and collada. You can write further explanations to correct me or improve me. Thanks
Sorry for presenting alternative facts again, but on import I'd check: "Fix Leaf Bones", "Find Bone Chains" and "Auto Connect". "Import Units" could be helpful, too. I'm not sure, but there could be a problem with the Collada export of MakeHuman.