It's not goodbye, planks — this one exercise is more effective at strengthening your deep core muscles (and whole body)

This is a full-body exercise, but it also tests your stability, balance and control by holding your muscles under tension the ...
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9 exercises to strengthen your core and ease pain

Medically reviewed by Mallory Christopherson DC, FMT, CSCS Side planks trains your obliques with movements like twisting and ...