
Smith Standing Behind Head Military Press
- Músculo objetivo
- Deltoid Anterior
- Músculos sinergistas
- Deltoid Lateral, Serratus Anterior, Triceps Brachii
- Equipamiento
- Smith machine
- Parte del cuerpo
- Shoulders
- Tipo
- Strength
The Smith Standing Behind Head Military Press is a Smith machine shoulder exercise that targets the anterior deltoid, with the lateral deltoid, serratus anterior, and triceps brachii working as synergists. The fixed bar path of the Smith machine adds stability to this advanced overhead pressing variation, making it effective for building shoulder mass and pressing strength.
Cómo hacer el Smith Standing Behind Head Military Press
- 1Set the Smith machine bar to approximately upper-chest height and load it with your working weight.
- 2Stand facing away from the machine with your feet shoulder-width apart and center yourself under the bar.
- 3Grip the bar just outside shoulder width with an overhand (pronated) grip and unrack it, holding it at the base of your neck behind your head.
- 4Brace your core, keep your chest tall, and ensure your elbows are pointed out and slightly forward — not flared straight to the sides.
- 5Press the bar vertically overhead in a smooth, controlled arc until your arms are fully extended without locking out hard at the elbows.
- 6Pause briefly at the top with your core engaged and your torso upright.
- 7Lower the bar back down under control to the starting position at the base of your neck.
- 8Complete all reps, then re-rack the bar by rotating the safety hooks back into the catches.
Consejos de técnica
- Safety first — this is an advanced movement that requires full shoulder mobility and healthy rotator cuffs. If you have any shoulder impingement, limited external rotation, or neck issues, choose a front-press variation instead. Never force the behind-the-head position.
- Warm up the shoulder girdle thoroughly with band pull-aparts, face pulls, and shoulder circles before loading this exercise.
- Keep the bar close to the back of your head on every rep; do not let it drift backward, which shifts stress onto the cervical spine.
- Press in a straight vertical line — the Smith machine guides the path, so use that stability to focus on a clean pressing motion rather than fighting for bar control.
- Keep your lower back neutral; avoid hyperextending to compensate for tight shoulders, as this compresses the lumbar spine.
Errores comunes
- Attempting the exercise without adequate shoulder mobility, which forces internal rotation and impingement of the rotator cuff tendons — assess your range of motion before loading.
- Lowering the bar too far down or bouncing it off the neck, which places dangerous shear stress on the cervical spine and shoulder joint.
- Flaring the elbows straight out to the sides rather than slightly forward, which increases impingement risk and reduces deltoid activation.
- Hyperextending the lower back to press the bar up, which offloads the shoulders onto the lumbar spine and creates compression injuries over time.
- Using excessive weight before establishing mobility and technique, turning an already demanding movement into an acute injury risk.
Preguntas frecuentes
What muscles does the Smith Standing Behind Head Military Press work?
The primary muscle is the anterior deltoid. The lateral deltoid, serratus anterior, and triceps brachii act as synergists to complete the pressing movement.
Is the behind-the-head military press safe?
It can be safe for lifters with full overhead shoulder mobility and healthy rotator cuffs, but it carries a higher injury risk than front-press variations. Anyone with shoulder impingement, limited external rotation, or a history of shoulder injuries should avoid it.
What is the advantage of doing this on a Smith machine vs. a barbell?
The Smith machine fixes the bar path, removing the need to balance the load front-to-back. This lets you focus entirely on pressing mechanics and makes it marginally more stable, though it also eliminates the stabilizer demand of a free barbell.
How does the Smith Standing Behind Head Press differ from the Smith Overhead Press done to the front?
Pressing behind the head places the bar in a more posterior position, which can increase lateral deltoid recruitment slightly, but also places greater stress on the shoulder joint and cervical spine — making the front press safer and generally preferred for most lifters.
How many sets and reps should I do?
For hypertrophy, 3–4 sets of 8–12 reps works well. Prioritize a controlled tempo and a full range of motion over heavy loads, especially given the elevated joint stress of the behind-the-head position.







