Behind the Back Shrug (Smith Machine)
Level
beginner
Force
pull
Mechanic
isolation
Equipment
smith machine Category
strength Primary Muscles
Secondary Muscles

A trap isolation exercise using the Smith machine where the bar is held behind the body for a different range of motion.
Instructions
- With the bar at thigh level, load an appropriate weight.
- 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.
- Initiate the movement by shrugging your shoulders straight up. Do not flex the arms or wrist during the movement.
- After a brief pause return the weight to the starting position.
- Repeat for the desired number of repetitions before engaging the hooks to rack the weight.
Tips
- Shrug straight up without rolling your shoulders.
- Keep your arms completely extended throughout the movement.
- Focus on the contraction of your traps at the top.
Recommended starting values
Sensible novice starting points for each goal, for a lifter aged 25–40. Scale down for smaller frames or older lifters. Treat the first set of any session as a discovery set.
| Goal | Sets | Reps | Weight | |
|---|---|---|---|---|
| Male | Female | |||
| Gain strength | 3 | 9 reps | 45 kg | 27.5 kg |
| Build muscle | 3 | 13 reps | 40 kg | 25 kg |
| Build endurance | 3 | 16 reps | 30 kg | 20 kg |
Alternatives
Exercises that target the same muscles with the same force and mechanic.
High Row (Band)
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Power Shrug (Barbell)
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Shrug (Barbell)
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Shrug (Trap Bar)
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Shrug Behind The Back (Barbell)
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Snatch Grip Shrug (Barbell)
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