Dead Bug
Primary
Rehabilitation
Secondary
Core, Hip Flexors
Equipment
Bodyweight
Difficulty
Beginner
Type
Isometric
Dead Bug
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The dead bug teaches core stability by challenging your ability to maintain a flat lower back while moving your limbs. This anti-extension exercise targets the deep core muscles that protect your spine during movement.
When to use it
Use for core stability and back health.
Who it's for
All levels, especially those with back issues.
Press your lower back firmly into the floor and maintain this contact throughout. If your back arches as you extend your limbs, reduce your range of motion until core strength improves.
Dead Bug — targeted muscles
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How do you perform the Dead Bug?
- 1
Lie on back with arms extended toward ceiling.
- 2
Lift legs with knees bent at 90 degrees.
- 3
Press lower back into floor.
- 4
Extend opposite arm and leg toward floor.
- 5
Return to starting position.
- 6
Repeat with other arm and leg.
What are the best tips for the Dead Bug?
Keep lower back pressed into floor.
Breathe out as you extend limbs.
Great for core stability.
When to Use the Dead Bug
Use dead bugs for warm-up, core training, or back rehabilitation. Program 3 sets of 10-12 reps per side. Progress by extending limbs further toward the floor as core strength improves.
Common Dead Bug mistakes
Arching lower back excessively which can cause injury.
A compromised back position during the Dead Bug puts your spine under unnecessary shear force. Brace your core and maintain a neutral spine throughout the movement.
Moving too quickly which reduces time under tension.
Isometric holds like the Dead Bug build strength at specific joint angles. This mistake changes the angle and reduces how hard your Rectus abdominis has to work. Lock into position and hold it.
Holding breath, which reduces blood flow and can cause dizziness.
Holding your breath incorrectly during the Dead Bug spikes your blood pressure and reduces core stability. Inhale during the eccentric (lowering) phase and exhale during the concentric (lifting) phase.
Dead Bug — who it's best for
All levels, especially those with back issues.
How to Program the Dead Bug
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 sets of 10-12 each side. Rest 30 seconds.
What are good alternatives to the Dead Bug?
Bird Dog
Plank
Hollow Hold
Other Variations
- Dead Bug with Band
- Dead Bug with Weight
- Single Leg Dead Bug
Frequently Asked Questions About the Dead Bug
The Dead Bug primarily targets the Rectus abdominis, Transverse abdominis, making it an effective exercise for rehabilitation development. Secondary muscles worked during the Dead Bug include Hip flexors, providing additional training stimulus. Stabilizer muscles engaged include Obliques.
Yes, the Dead Bug is an excellent choice for beginners due to its straightforward movement pattern and lower technical demands. All levels, especially those with back issues. Start with lighter weights to master proper form before progressing.
For the Dead Bug, the recommended approach depends on your goals. 3 sets of 10-12 each side. Rest 30 seconds. For strength, use 8-10 each side. For muscle growth, perform 10-15 each side. For endurance, complete 15-20 each side.
Yes, the Dead Bug can be done at home with no equipment. It requires minimal space and is a great option for home workouts targeting rehabilitation.
Good alternatives to the Dead Bug include: Bird Dog, Plank, Hollow Hold. These exercises target similar muscle groups as the Dead Bug and can be used as substitutes based on your equipment availability, gym setup, or training preferences.
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Safety Notes
- Keep back flat on floor.
- Move with control.