Work Your Entire Core With This Stability Ball Exercise From Celebrity Trainer Astrid Swan

If you’re looking to seriously work your core, locate a stability ball and keeping reading. Celebrity trainer Astrid Swan, NASM-certified personal trainer who clients include Julianne Hough, Shay Mitchell, and Alicia Silverstone, recently posted an Instagram video of a challenging two-part stability ball move that zeros in on your core and targets essentially every part […]