Four Key Core Exercises For Runners
- By Linzay Logan
- Published Feb. 16, 2012
- Updated Feb. 1, 2013 at 9:04 AM UTC

The Hollow Rock
Well known in the CrossFit world, this exercise is easier said than done. Lying on your back with your arms raised up behind your head, begin rocking by lifting your feet and legs up and then simultaneously lifting your upper body and arms. Your body should move like a rocking chair, while engaging the abs throughout the movement.
Related: Fill In Your Core With The Hollow Rock
FILED UNDER: Injury Prevention / News




