9-Minute Workout for a Flatter Belly and Slimmer Waist

1. Vacuum

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Lie on your back with bent knees and arms at your sides. This move works best on an empty stomach. Inhale deeply, then exhale through your mouth while pulling your abs toward your spine, releasing all air from your lungs. Gravity helps here. Hold for 15 seconds, then relax. Increase the hold up to one minute if comfortable. Repeat 3 to 5 times. Each session should last at least 2 minutes. If you have stomach or health concerns, proceed with caution. It increases intra-abdominal pressure, which can be risky for certain conditions. Avoid if you have heart issues, herniated discs, or asthma.