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How to do it
- Lie on your back holding a light dumbbell in each hand, arms straight toward the ceiling.
- Lift both feet so the hips and knees are bent to 90 degrees and the shins are level.
- Press the lower back into the floor and brace the abdominals.
- Exhale and lower one dumbbell overhead while extending the opposite leg toward the floor.
- Stop just short of the floor while the lumbar spine stays flat, then return both limbs.
- Repeat on the other diagonal, keeping both feet off the ground between reps.
Common mistakes
- Letting the lower back arch off the floor, which means the core has stopped resisting extension.
- Planting the feet, which turns a tabletop dead bug into a crook-lying sit-up setup.
- Reaching farther than you can hold position, which trades range for the stability being trained.
- Choosing dumbbells so heavy that the ribs flare before the first rep finishes.
Muscles worked
- Primary
- Abs
Good to know
- What muscles does the Dead Bug (Weighted) work?
- Mainly the abs.
- What equipment do you need for the Dead Bug (Weighted)?
- It uses dumbbells. Without it, the Reverse Crunch and the V-Up train the same muscles the same way.
- Is the Dead Bug (Weighted) good for beginners?
- GymVim rates it intermediate. For a beginner-rated exercise on the same muscle and movement, see the Bird Dog.