BEST PHYSIOTHERAPY TREATMENT FOR BOUTONNIERE DEFORMITY Boutonnière deformity is a condition that affects your ability to straighten the middle joint of a finger (or, less commonly, a toe). Your middle joint is stuck in a bent position and won’t straighten. At the same time, the joint toward the tip of your finger or toe is flexed upward.CAUSES:caused by rupture of the central slip over PIP joint from laceration, traumatic avulsion (jammed finger) capsular distension in rheumatoid arthritis.Symptoms :The finger at the middle (PIP) joint cannot be straightened and the fingertip cannot be bent, resulting in the distinctive deformity. Swelling and pain occur over the top of the PIP joint. TREATMENT : The primary goals of conservative physiotherapy treatment are to reduce pain and inflammation, restore range of motion, and improve finger function . The following modalities are often employed ultrasound, laser therapy. Post surgical rehabilitation Splinting : Static thermoplastic splints are commonly used, allowing DIP joint movement. Dynamic extension splints (e.g., Capener splint) may be used to apply gentle force to improve extension Exercises: Range of Motion Exercises: Gentle active and passive exercises to maintain and improve joint mobility . Strengthening Exercises: Exercises to improve finger and hand strength, such as grip strengthening and resistance exercises using rubber bands or putty. Modalities: Pain and Inflammation Management: Techniques such as heat, cold, or ultrasound may be used to reduce pain and inflammation. Manual Therapy: Soft Tissue Mobilization: Massage to address any muscle tightness or scar tissue . Joint Mobilization: Techniques to improve joint mobility and reduce stiffness