Primary
Core
Secondary
Hip flexors
Equipment
Bodyweight
Difficulty
Beginner
Type
Isometric
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The example below shows one possible placement. Your purchased plan is built from your assessment, and Ely checks every exercise before approving it.
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The stomach vacuum targets the transverse abdominis—the deep inner core muscle that acts like a corset around your midsection. Unlike other ab exercises that work the outer muscles, vacuums train the ability to draw your belly button in. This was a staple in classic bodybuilding.
When to use it
Use for inner core activation.
Who it's for
All fitness levels looking to build strength and muscle definition.
Exhale all the air from your lungs, then pull your belly button toward your spine as hard as you can without inhaling. Hold this contraction for 15-30 seconds while breathing shallowly if needed. Relax and repeat. Practice on all fours, seated, or standing.
Also targets: Hip flexors
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Stand, sit, or get on all fours.
Exhale all the air from your lungs.
Pull your belly button toward spine.
Hold the contraction.
Keep breathing shallowly if needed.
Release and repeat for optimal results.
Targets transverse abdominis.
Classic bodybuilding exercise.
Practice regularly for optimal results.
Can do anywhere for optimal results.
Use stomach vacuums for inner core activation and waist tightening. They can be done daily without interfering with other training. Include as part of your morning routine or between sets of other exercises. Classic bodybuilders used these to create the vacuum pose.
Holding breath completely.
Inconsistent breathing during the Stomach Vacuum can make it harder to maintain a steady brace. Use a repeatable breath pattern that matches the exercise and avoid extending a breath hold beyond what you can control.
Not pulling in enough.
Isometric holds like the Stomach Vacuum build strength at specific joint angles. This mistake changes the angle and reduces how hard your Transverse abdominis has to work. Lock into position and hold it.
Rushing the hold for optimal results.
Rushing through the Stomach Vacuum makes it easier to lose position and harder to keep tension on your Transverse abdominis. Slow down enough to control both the lifting and lowering portions of each rep.
All fitness levels looking to build strength and muscle definition.
Lower reps with heavier weight builds raw strength. Your muscles and nervous system adapt to handle more load over time. This range is best for strength-focused goals.
This rep range keeps your muscles under tension long enough to trigger growth. Most people see the best muscle-building results in this zone. It balances strength and muscle size.
Higher reps with lighter weight builds muscular endurance and improves conditioning. This range is good for joint health and building work capacity.
General guideline: 3-5 sets of 20-30 seconds. Rest 30s.
This is one example of how Stomach Vacuum could sit inside a complete workout. Your plan may use different movements after Ely checks your assessment.
Sample workout
MySetPlan guides you set by set, times your rest, records your work, and tells you what to do next from the plan Ely approved.
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Frequently Asked Questions About the Stomach Vacuum
The Stomach Vacuum primarily targets the Transverse abdominis, making it an effective exercise for core development. Secondary muscles worked during the Stomach Vacuum include Hip flexors, providing additional training stimulus. Stabilizer muscles engaged include Spinal erectors.
Yes, the Stomach Vacuum is an excellent choice for beginners due to its straightforward movement pattern and lower technical demands. All fitness levels looking to build strength and muscle definition. Start with lighter weights to master proper form before progressing.
For the Stomach Vacuum, the recommended approach depends on your goals. 3-5 sets of 20-30 seconds. Rest 30s. For strength, use 15-20 seconds. For muscle growth, perform 20-30 seconds. For endurance, complete 30-45 seconds.
Yes, the Stomach Vacuum can be done at home with no equipment. It requires minimal space and is a great option for home workouts targeting core.
Good alternatives to the Stomach Vacuum include: Dead Bug, Plank. These exercises target similar muscle groups as the Stomach Vacuum and can be used as substitutes based on your equipment availability, gym setup, or training preferences.