Core Exercises for BeginnersOctober 12, 2015This is a core exercise that great for athletes. Set your arms… https://i0.wp.com/me.ryansaplan.com/wp-content/uploads/2015/10/CORE-EXERCISE-BOX-PLANK.png?fit=627%2C342&ssl=1 342 627 Ryan Saplan https://ryansaplan.com/wp-content/uploads/2015/02/ryan-saplan-fitness-self-development.jpg Ryan Saplan2015-10-12 17:50:252015-10-21 17:22:13Core Exercises for Beginners