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How to do the Smith Standing Behind Head Military Press

ShouldersDeltsSmith MachineBeginner

The Smith Machine behind-head military press locks your path of motion so you can focus entirely on loading the delts with strict, controlled technique. Master this movement and you will build the kind of overhead shoulder strength that translates to a wider, more powerful upper body.

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Muscles worked

Primary
Deltoids
Secondary
TrapeziusTriceps

Step-by-step

  1. Set the bar at upper-chest height, unrack it onto your traps, and sit tall on the bench with your spine neutral and feet flat on the floor.
  2. Press the bar straight up along the fixed Smith track until your arms are fully extended but elbows are not hyperextended.
  3. Pause briefly at the top, then lower the bar with control back down to just below ear level, keeping tension on the delts throughout.
  4. Re-rack only after completing your final rep, never rushing the lockout or allowing the bar to crash down.

Common mistakes

  • Dropping the bar too low behind the head, which stresses the cervical spine — stop the descent when the bar reaches ear level and no further.
  • Flaring the elbows excessively outward, which shifts load away from the delts — cue your elbows to stay slightly forward and aligned under the bar.
  • Using a grip that is too narrow, which overloads the wrists and limits pressing power — take a grip just outside shoulder width for optimal leverage.

Pro tip — As you press, think about driving the crown of your head slightly forward and away from the bar rather than letting the bar travel over your skull — this subtle shift keeps the delts firing as the primary mover instead of defaulting to trap and upper-back compensation.

Sets & reps by goal

Build muscle3–4 sets × 6–10 reps
Get stronger4–5 sets × 3–6 reps
Lose fat / tone3 sets × 10–12 reps

Rest: 2–3 min between sets (60–90s on lighter days).

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