Landmine Linear Jammer — start position
Start
Landmine Linear Jammer — end position
End

Shoulders / Intermediate / Compound (multi-joint)

Landmine Linear Jammer

A barbell exercise for the front delts, with the abs, calves and chest assisting.

At a glance

Primary
Front delts
Secondary
Abs, Calves, Chest, Hamstrings, Quads, Triceps
Equipment
Barbell
Movement pattern
Overhead push
Level
Intermediate
Type
Shoulders, Compound (multi-joint)

How to do it

  1. Position a bar into landmine or, lacking one, securely anchor it in a corner. Load the bar to an appropriate weight and position the handle attachment on the bar.
  2. Raise the bar from the floor, taking the handles to your shoulders. This will be your starting position.
  3. In an athletic stance, squat by flexing your hips and setting your hips back, keeping your arms flexed.
  4. Reverse the motion by powerfully extending through the hips, knees, and ankles, while also extending the elbows to straighten the arms. This movement should be done explosively, coming out of the squat to full extension as powerfully as possible.
  5. Return to the starting position.

Common mistakes

  • ✗ Leaning back to press.

    Why it hurts: It turns into an arch that loads the lower back.

    ✓ Instead: Lean slightly forward into the bar and press up and away, ribs down.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts — primary (Front)Side delts (Front)Chest — secondary (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs — secondary (Front)Obliques (Front)Hip flexors (Front)Quads — secondary (Front)Adductors (Front)Shins (tibialis) (Front)Calves — secondary (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps — secondary (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings — secondary (Back)Adductors (Back)Calves — secondary (Back)
FrontBack
  • Primary: Front delts
  • Secondary: Abs, Calves, Chest, Hamstrings, Quads, Triceps

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.