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Traps · Isolation movement

Behind-the-Back Cable Shrug

An isolation exercise for the traps, with the forearms working too. You need a cable machine.

Primary muscle

Traps

Secondary muscles

Forearms

Equipment

Cable

Difficulty

Beginner

What is the Behind-the-Back Cable Shrug?

The behind-the-back cable shrug is a traps isolation performed with a low cable running up behind the body, shrugging the shoulders straight up against the stack. Holding the cable behind you keeps the torso upright and draws the shoulders back as they elevate, and the cable lets you set how far the line of pull runs behind you.

Muscles worked

Primary: Traps
The upper trapezius is the target, elevating the shoulder blades toward the ears against the cable behind the body while the shoulders stay drawn back, against constant tension.
Secondary: Forearms
The forearms grip the handle or bar behind the body to hold the load through the set, since the arms hang straight.

How to perform the Behind-the-Back Cable Shrug

  1. Stand facing away from a low pulley with a bar or handle held behind the glutes, arms straight.
  2. The behind-the-back cable line pulls the shoulders back and down, so the upper traps lift against it from a retracted position.
  3. Step forward to load the cable and let it draw the shoulders into a stretch behind the body.
  4. Elevate the shoulders straight up toward the ears while keeping the chest tall and the arms straight.
  5. Squeeze the traps at the top, then lower under control against the cable.
  6. Keep the neck neutral and avoid rolling the shoulders, since the load already sits behind you.

Suggested working range: 12–20 reps. Default progression: double progression.

Mechanics

A single-joint isolation on a cable behind the body: the shoulder blades elevate and depress while the arms hang straight behind the glutes, As an isolation the behind-the-back position draws the shoulders back and keeps the shrug vertical, and stepping further from the stack angles the pull more steeply behind you.

Form cues

  • •Set a low pulley, face away from the stack, and hold the handle behind your glutes with straight arms.
  • •Step forward until the stack lifts off, then shrug the shoulders straight up toward the ears.
  • •Keep the shoulders drawn back and pause to squeeze at the top before lowering under control.
  • •Lower to a full stretch rather than letting the cable pull the shoulders down fast.

Common mistakes

  • •Letting the bar drift off the back of the body so the shoulders round forward.
  • •Rolling the shoulders in a circle rather than shrugging straight up.
  • •Jutting the head forward and straining the neck under the load.
  • •Bending the elbows to help lift instead of keeping the arms straight.

Variations & alternatives

  • •Cable shrug: a front or side cable shrug in a neutral position.
  • •Behind-the-back barbell shrug: the free-weight version of the same hold, which loads heavier.
  • •Single-arm cable shrug: one side at a time for a focused peak contraction.
  • •Dumbbell shrug: dumbbells at the sides for a natural range with less setup.

Programming: sets, reps & when to use it

Program behind-the-back cable shrugs as a traps accessory in the library’s 12–20 rep range, where a controlled tempo and a hard squeeze at the top matter more than load. They make a good finisher after heavier shrugs. Set the pulley low and step forward to load the range.

Frequently asked questions

What does the behind-the-back cable position add?

The behind-the-back hold keeps the torso upright and draws the shoulders back so the shrug travels straight up, and the cable lets you adjust the line of pull by moving your feet instead of balancing a bar behind your glutes.

How do I set the pulley and my position?

Set the pulley low, near the floor, face away from the stack, and grip the handle or a straight bar behind your glutes with straight arms. Step forward until the cable is under tension with your shoulders relaxed down, then shrug straight up. Adjust your distance so the line of pull runs up your back and the traps stay loaded from stretch to squeeze.

Use this exercise in a program

The Behind-the-Back Cable Shrug fits into hypertrophy and strength splits that prioritize traps volume.

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