[sidebar] Enter the tricep-toning sit-up, which upgrades the traditional sit-up to superstar status. “It’s an amazing multitasking move that works a lot of different muscle groups,” Chris says. And she’s right; you won’t just feel the burn in your arms and abs. This seemingly simple move also targets your chest, shoulders, and back muscles. Bonus: the time-saving exercise doesn’t just help you look good. (Although who will argue bathing suit-ready results?) Developing a strong core and upper body is essential to promoting proper posture and preventing low back pain. Watch the video to learn how to do the tricep-toning sit-up with perfect form, then try the exercise for yourself!
