Elson’s test: bend PIP 90 deg over edge of table, extend middle phalanx against resistance. Should have weak PIP extension and DIP goes rigid as lateral bands have to work.
Positive test indicated rupture of central tendon slip.
XR to assess for avulsion fracture of middle phalanx
Positive test indicated rupture of central tendon slip.
Boutonniere deformity
Rheumatoid arthritis
Nursemaid's elbow
Volar PIP dislocation
Swan neck deformity
Flexion contracture of PIP joint
Drummer's wrist
Distal finger