Smith Machine Behind the Back Shrug — start position
Start
Smith Machine Behind the Back Shrug — end position
End

Back / Beginner / Isolation (single joint)

Smith Machine Behind the Back Shrug

A Smith machine isolation exercise for the upper traps, with the rear delts and forearms assisting.

At a glance

Primary
Upper traps
Secondary
Rear delts, Forearms & grip
Equipment
Smith machine
Movement pattern
Shrug
Level
Beginner
Type
Back, Isolation (single joint)

How to do it

  1. With the bar at thigh level, load an appropriate weight.
  2. Stand with the bar behind you, taking a shoulder-width, pronated grip on the bar and unhook the weight. You should be standing up straight with your head and chest up and your arms extended. This will be your starting position.
  3. Initiate the movement by shrugging your shoulders straight up. Do not flex the arms or wrist during the movement.
  4. After a brief pause return the weight to the starting position.
  5. Repeat for the desired number of repetitions before engaging the hooks to rack the weight.

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Muscles worked

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

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.