Single Arm Scapula Push up
- Músculo objetivo
- —
- Equipamiento
- Body weight
- Parte del cuerpo
- Back
- Tipo
- Strength
The Single Arm Scapula Push up is a bodyweight upper-back exercise performed in a single-arm push-up support position, where you protract and retract the scapula to engage the serratus anterior and the surrounding scapular stabilizers. Performed one arm at a time, it challenges scapular control under a unilateral load, making it an effective drill for building shoulder stability and reinforcing proper blade movement.
Cómo hacer el Single Arm Scapula Push up
- 1Begin in a standard push-up position with hands shoulder-width apart and your body forming a straight line from head to heels.
- 2Shift your weight onto your right hand and lift your left hand off the floor, placing it behind your back or resting it lightly on your hip.
- 3Keep your right elbow fully extended and your core braced throughout the movement.
- 4Without bending the elbow, let your right shoulder drop toward the floor by allowing the scapula to retract and the chest to sink slightly between the arms.
- 5From that retracted position, drive the right shoulder blade forward and around the ribcage — protracting the scapula — until your upper back rounds slightly upward and you feel the serratus anterior engage.
- 6Hold the protracted position for one to two seconds, squeezing the serratus anterior and feeling the scapula wrap around the ribcage.
- 7Slowly reverse the movement back to the retracted starting position, controlling the descent.
- 8Complete all reps on the right side, then switch to the left arm and repeat.
Consejos de técnica
- Keep the elbow locked straight throughout — this is a scapular movement only, not a push-up; bending the arm shifts the load away from the serratus anterior.
- Think of the movement as pushing the floor away with your shoulder rather than with your hand; this mental cue helps you feel the scapula protracting around the ribcage.
- Maintain a rigid plank alignment through the torso on every rep — letting the hips sag or rotate reduces scapular control and increases spinal load.
- Start with a shortened range of motion if you feel discomfort in the shoulder joint, and gradually increase depth as scapular strength improves.
- Breathe steadily — exhale as you protract (push away) and inhale as you retract (sink down) to keep the core stable and the movement controlled.
Errores comunes
- Bending the elbow during the movement, which turns it into a single-arm push-up and removes the targeted scapular protraction stimulus from the serratus anterior.
- Rotating the hips toward the working arm when the non-working hand is lifted, which reduces core stability and places uneven torsional stress on the spine.
- Rushing through the range of motion without pausing at the protracted position, which eliminates the time-under-tension needed for the serratus anterior to develop strength and control.
- Allowing the lower back to sag or the hips to pike, which compromises the straight-line body position and shifts the challenge away from scapular mechanics.
- Protracting only partially — stopping before the scapula fully wraps around the ribcage — which underloads the serratus anterior and limits the effectiveness of the drill.
Preguntas frecuentes
What muscles does the Single Arm Scapula Push up work?
The primary target is the serratus anterior — the fan-shaped muscle that runs along the outer ribcage and is responsible for protracting the scapula and keeping it flush against the thoracic wall. The surrounding upper-back musculature that stabilizes the scapula also works isometrically throughout each rep to maintain blade control under the unilateral load.
What is the difference between a Scapula Push up and a regular push-up?
A regular push-up involves bending and extending the elbow to move the chest toward and away from the floor. A scapula push-up keeps the elbow fully extended the entire time; the only movement is the scapula protracting (pushing away) and retracting (sinking toward the spine). The single-arm variation adds a stability challenge by requiring unilateral load management.
Is the Single Arm Scapula Push up suitable for beginners?
It is generally intermediate-level because it demands reasonable core strength and balance. Beginners should first build comfort with the two-arm scapula push-up before progressing to the single-arm version. If holding a one-arm plank for 20 seconds is difficult, develop that baseline strength first.
How many reps and sets should I do?
For scapular stability work, 2–4 sets of 8–15 controlled reps per side is a common starting range. Because the serratus anterior responds well to time-under-tension, prioritize slow, deliberate movement with a brief pause at the fully protracted position over high-speed repetitions.
When should I include the Single Arm Scapula Push up in my workout?
It fits well as part of a shoulder warm-up before pressing or overhead work, as a scapular activation drill between heavier sets, or as an accessory movement in an upper-back or shoulder-health routine. It can also be used as a rehabilitation or prehabilitation exercise under the guidance of a physical therapist.
