Your core isn't your abs — it's the whole system that keeps your body organized, stable, and able to move well. This guide breaks down core...

Kristina Duffy
ACTIVE.com Staff Writer
Kristina Duffy is a Pilates Instructor and movement specialist who helps active individuals return to pain-free movement after injury, pregnancy, or prolonged time away from sport. Working with a wide range of bodies and experience levels, she specializes in core rehabilitation, strength restoration, and sustainable training practices that support long-term performance and pain-free living. Kristina’s approach emphasizes building body awareness, reducing fear around movement, and building confident strength so clients can live and perform at their best.
Website: www.kristinaduffy.com