N33 Nitric Oxide Your core affects the way you perform nearly every exercise. A strong core makes everything from running to weightlifting easier. Sit-ups, for example, strengthen your core and other muscle groups. Sit-ups are also known to augment range of motion. You will enable your abdominal muscles stronger and gain endurance.As you lift weights up above your head, flex your glutes with each rep. This will reduce your risk of suffering an injury and help your butt get a great workout. The position you assume when flexing your glutes help to stabilize and protect your spine.
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