hi, my daughter is 1 in 3 weeks and for about 10 months when shes get angry she clicks her knee and ankle out of joint and then back in, i took her to the doctors twice and they sent me away saying it was normal, ni went back a third time and she did it while he was holding her knee, he seemed quite shocked and has referred her to a specialist at a hospital, im just wanting more info on this and maybe what it could be and varioius treatments?