A Swiss Ball, also known as a stability ball or exercise ball, is a large, inflatable sphere used for various fitness activities. It helps improve balance, core strength, and flexibility. People often use it for exercises like sit-ups, push-ups, and stretches, making workouts more engaging and effective. These balls are popular in physical therapy and rehabilitation settings, as they can aid in recovery and enhance stability. Many fitness enthusiasts incorporate the Swiss Ball into their routines to challenge their muscles in new ways. It's a versatile tool that can be used at home, in the gym, or even at the office for better posture.