Chair Pilates is a form of Pilates that uses a specialized piece of equipment called the Pilates chair (or Wunda Chair). Unlike mat or reformer Pilates, chair Pilates involves exercises performed on and around a small, sturdy chair with a spring-loaded pedal that provides resistance. 1. Strengthens the core, legs, and upper body 2. Improves balance and stability 3. Great for people with limited mobility or space 4. Helps with posture and alignment 5. Can be modified for all fitness levels