Best Isometric Ab Exercises
8 Trainer-Recommended Isometric Ab Exercises to Light Up and Completely Exhaust Your Core
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"Oftentimes, simple is better," said Giancarlo Regni, ACSM, and Tyler Curtis, NSCA, of G-Strength. The side plank, they said, is a simple effective isometric move that targets your obliques and helps to stabilise your lower back.