Arthritic Deformities

Question 1

Answer 1

boutonniere:

• flexion of PIP
• extension of DIP

Question 2

Answer 2

swan neck:

• extension of PIP
• flexion of DIP

Question 3

Answer 3

hallux valgus:

• lateral rotation of the hallux (big toe)

Question 4

Answer 4

ulnar drift:

• ulnar diviation
• partial dislocation of phalangeal joint

Question 5

Answer 5

heberden’s nodes

• DIP joint

Question 6

Answer 6

bouchard’s nodes:

• PIP joint