Wow i obviously found the right webpage here with so many friendly and helpfull people, many thanks to all who have responded and to your suggestions. I got another photo of him standing just to make the problem clear to everyone but i'll prob start with taking Julie's (Steve) advice as it sounds easy enough to do and makes sense with vitamin supplements. Can i just ask would brisket bones also help and can calcium powder be mixed direct into his food, would that help?