Orthopaedics Boutonniere deformity involves: A Flexion at PIP and DIP joint B Extention at PIP and DIP joint C Flexion at PIP and extention at DIP joint D Extention at PIP and flexion at DIP joint 💡 Explanation Boutonniere deformity involves: ✓ Correct Answer: C. Flexion at PIP and extention at DIP joint