COREDead Bug vs Sit-up
Both train your abs. Here's how they differ, and when to pick each one.
Dead Bug
Lower back flat to floor, exhale as limbs extend.
How to do it →Sit-up
Feet flat, curl up one vertebra at a time, lower slowly.
How to do it →Side by side
| Dead Bug | Sit-up |
|---|
| Kit | Bodyweight | Bodyweight |
|---|
| Main muscles | Abs, Core | Abs |
|---|
| Also works | Obliques | Obliques |
|---|
| Bench needed | No | No |
|---|
| One side at a time | Yes | No |
|---|
| Works at home | Yes, no kit | Yes, no kit |
|---|
| Starting load | Your bodyweight | Your bodyweight |
|---|
How each one feels
Dead Bug
- Slowly extend one arm back overhead and the opposite leg out straight — at the same time — while you breathe out.
- Return to the middle, then do the other arm and leg. That's one rep each side.
Watch out for: Lower back lifting off the floor.
Sit-up
- Curl your head and shoulders up first, then the rest of your back.
- Sit up tall, then roll down slowly.
Watch out for: Yanking your neck.
Dead Bug: pros and cons
- + No kit needed, so you can do it anywhere.
- + One side at a time helps even out imbalances.
- + Really focused on your abs.
- − Harder to add weight in small steps as you get stronger.
- − Takes twice as long because you do each side.
- − Can be awkward if your body needs looking after, or during pregnancy.
Sit-up: pros and cons
- + No kit needed, so you can do it anywhere.
- + Really focused on your abs.
- − Harder to add weight in small steps as you get stronger.
- − Can be awkward if your lower back needs looking after, or during pregnancy.
Which should you pick?
- Pick Dead Bug if you train at home, travel a lot, or want something you can do anywhere.
- Pick Sit-up if you train at home, travel a lot, or want something you can do anywhere.
- Dead Bug needs no kit, so it's great at home or when the gym's packed.
- Dead Bug trains one side at a time, which helps even out imbalances.
- Sit-up needs no kit, so it's great at home or when the gym's packed.
- Honestly? Both work. The best one is the one you'll do consistently and add a little to each week.
YOUR GYDE DOES THIS LIVENot sure which suits you? Your Gyde picks for you, then swaps it when you outgrow it.
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