How to Do Rhomboids-SMR

Rhomboids-SMR — start position demonstration photo
Start
Rhomboids-SMR — end position demonstration photo
End

Start and end of one clean rep of Rhomboids-SMR.

Quick facts

Primary muscleBack
Secondary muscles—
EquipmentBodyweight
CategoryStretching

How to perform Rhomboids-SMR

  1. Lay down with your back on the floor. Place a foam roll underneath your upper back, and cross your arms in front of you, protracting your shoulders. This will be your starting position.
  2. Raise your hips off of the ground, placing your weight onto the foam roll. Shift your weight to one side at a time, rolling over your middle and upper back. Pause at points of tension for 10-30 seconds.

Muscles worked

  • Back (primary): pulls the arms down and toward the torso and keeps the spine stable.

Sets & reps by goal

GoalSets × repsLoadRest
Strength3–5 × 3–5Heavy (~85%+)2–3 min
Hypertrophy3–4 × 8–12Moderate (~65–75%)60–90 s
Endurance2–3 × 15–20Lighter (~50–60%)30–45 s

As a mobility drill, hold each position for 20–40 seconds (or move slowly for reps) rather than training it to a heavy load.

Form tips

  • Start each rep by pulling the shoulder blades in first, then drive with the elbows — think of pulling with the elbows, not the hands.
  • Own the largest range you can control with clean form before you chase extra reps.
  • Ease in until you feel mild tension, never pain, and breathe out as you sink a little deeper.
  • Warm up the pattern with a couple of lighter, submaximal sets before your working sets.

Common mistakes

  • Yanking with the arms and forgetting the back, so the biceps give out before the target muscle does.
  • Cutting the range short to squeeze out extra reps instead of owning each full one.
  • Bouncing into the stretch instead of holding it steadily.

Frequently asked questions

What muscles does Rhomboids-SMR work?

Rhomboids-SMR is a focused movement that primarily works the back.

What equipment do I need for Rhomboids-SMR?

None — Rhomboids-SMR is a bodyweight movement, so you only need your bodyweight and a little space.

How many sets and reps should I do for Rhomboids-SMR?

It depends on your goal: about 3–5 sets of 3–5 heavy reps for strength, 3–4 sets of 8–12 for muscle growth, or 2–3 sets of 15–20 for endurance. As a mobility drill, hold each position for 20–40 seconds (or move slowly for reps) rather than training it to a heavy load.

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