The one-arm push-up is the calisthenics benchmark for upper-body pushing strength. Same plank-to-press pattern as the standard push-up, but with one hand behind the back and feet wider for stability. It demands roughly double the relative pressing strength of a standard push-up, plus serious anti-rotation core work.
This is an advanced bodyweight skill. Most adults need 40-50 strict standard push-ups before tackling one-arm work. This guide covers the strict full-range one-arm push-up.
What is the one-arm push-up?
The one-arm push-up is a unilateral bodyweight pushing exercise performed with one hand on the floor, the other behind the back, and feet wider than shoulder-width for base support. You lower the chest toward the working-hand side, then press back up.
Beyond the obvious chest, shoulder and triceps demand, the one-arm push-up is brutal on the core — the off-side wants to rotate toward the floor and you have to fight it the whole rep. It is the bodyweight equivalent of a heavy unilateral dumbbell press.
Muscles worked
| Muscle group | Role | Contribution |
|---|---|---|
| Pectoralis major (working side) | Primary mover, horizontal press | ~40 % |
| Triceps brachii (working side) | Elbow extension | ~25 % |
| Anterior deltoid (working side) | Press initiation | ~15 % |
| Core, obliques | Anti-rotation, stabilisation | ~15 % |
| Serratus anterior | Scapular control | ~5 % |
The one-arm push-up trains the same muscles as a heavy unilateral dumbbell press but with much more core involvement. For lifters without dumbbells, it’s the only way to load the chest unilaterally with bodyweight alone.
How to one-arm push-up: 5 steps
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Set up the wide-foot position
Start in a high plank with one hand directly under the shoulder, the other behind the back (or tucked at the hip). Feet wider than shoulder-width — wider stance = easier, narrower = harder.
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Set the body line
Body in one straight line from head to heels. Brace the **core hard, especially the obliques on the off-side**. The off-side hip wants to drop toward the floor — fight that.
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Lower with control
Bend the working elbow in a 2-3 second descent. **Elbow tucks at about 45° to the ribs** — not flared. Chest lowers toward the working hand. Maintain the straight body line.
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Pause at the bottom
Chest 5-10 cm from the floor (or touches for full range). Brief pause. No bouncing, no rotation. Body stays square to the floor.
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Press back up
Drive the floor away with the working hand. **Press explosively** while the core resists rotation. Lock out at the top, body still square. Reset, repeat. Switch arms after the set.
Common mistakes to avoid
Variations & progressions
- Incline one-arm push-up. Hand elevated on a bench. Easier — the standard progression toward floor version.
- Archer push-up. Both hands on the floor, one arm straight out to the side. Bridges standard to one-arm.
- Wide-stance one-arm push-up. Feet very wide for max stability. The accessible full-range version.
- Narrow-stance one-arm push-up. Feet closer together. Harder — more core demand.
- Weighted one-arm push-up. With a weighted vest. The advanced progression.
- Standard push-up. Bilateral foundational version.
- Diamond push-up. Triceps-focused bilateral push-up.
Sample workout: 8-week one-arm push-up progression
Train the one-arm push-up 2-3 times per week. Sets are per arm.
| Weeks | Progression | Sets × reps/arm |
|---|---|---|
| 1-2 | Incline one-arm push-up (waist-height) | 3 × 5 |
| 3-4 | Incline one-arm push-up (knee-height) | 3 × 6 |
| 5-6 | Archer push-up | 3 × 5 |
| 7-8 | Full one-arm push-up (wide stance) | 3 × 3-5 |
Frequently asked questions
How long does it take to learn the one-arm push-up?
3-6 months for most adults. Athletes already capable of 40+ standard push-ups can get there in 8-12 weeks. The limiting factor is rarely chest strength — it’s the anti-rotation core demand and shoulder stability.
One-arm push-up or heavy bench press?</h3
Both build upper-body strength. The bench press wins for raw pressing strength and pec hypertrophy. The one-arm push-up wins for unilateral strength, core stability and equipment-free training. Use both if possible.
How wide should my feet be?</h3
Beginner: feet wide as comfortable (often 1.5x shoulder-width). Wider = more stable base, less core demand. As you progress, narrow the stance — eventually to standard push-up width. Narrow stance = much harder.
Why does my body rotate at the bottom?</h3
Anti-rotation core weakness. Brace the obliques hard, especially on the off-side. The hip wants to drop toward the floor; resist that with every rep. Side planks are excellent direct training for this.
Is the one-arm push-up safe for the shoulder?</h3
Yes for healthy shoulders. The exercise is demanding but the position is stable. Lifters with rotator cuff issues should master the incline progressions and never sacrifice form. Stop the set when rotation can’t be controlled.
Related exercises
- Standard Push-Up: bilateral foundational version
- Diamond Push-Up: triceps-focused bodyweight
- Incline Bench Press: barbell upper-chest counterpart
- Dips: vertical bodyweight push
- Side Plank: direct anti-rotation core work
