Swan neck deformity is:
Deformities of RA - Swan Neck Deformity - Flexion at DIP and hypeension at PIP - Flexor insufficiency of PIP - Boutonniere deformity / Button hole deformity - Extensor deficiency at PIP joint - Hypeension of DIP & Flexion of PIP - Z deformity of thumb - Ulnar detion of fingers Z-deformity of thumb
Hyperextension at DIP, Flexion of PIP
Extension of DIP, Hyperflexion at PIP
Extension of both DIP & PIP
Flexion at DIP, Hyperextension at PIP
Joint disorders