Sumo Squat (Dumbbell)

The Dumbbell Sumo Squat is a lower-body strength exercise performed with a wide stance and a single weight held between the legs. It specifically targets the glutes, inner thighs (adductors), and quadriceps while generally placing less stress on the lower back than traditional squats.

How Iridium Programs This

Iridium identifies the high adductor demand of this wide-stance variation and checks sub-muscle fatigue to ensure your inner thighs have recovered from recent training. To manage the grip limitations often associated with heavy dumbbells, Iridium analyzes RPE trends to detect if forearm fatigue is preventing legitimate progressive overload in the legs.

Form Cues

Do
  • Set feet wider than shoulder-width with toes turned out 45 degrees
  • Keep your chest tall and shoulders pulled back
  • Drive your knees outward so they track directly over your toes
  • Hold the dumbbell vertically with arms fully relaxed
  • Squeeze your glutes firmly at the top of the movement
Don't
  • Don't let your knees cave inward
  • Don't round your lower back or hunch forward
  • Don't pull the dumbbell up with your arms
  • Don't let your heels lift off the floor
  • Don't look down at your feet

Common Mistakes

  • Stance too narrow
  • Knees collapsing inward (valgus)
  • Rounding the spine
  • Bending at the hips before the knees
  • Shrugging shoulders to hold weight

Muscles Worked

This variation emphasizes the posterior chain, specifically targeting the gluteus maximus and the adductors (inner thighs) due to the wide foot placement. It also effectively engages the quadriceps for knee extension while relying on the core and spinal erectors to maintain an upright torso throughout the lift.

Primary

GlutesQuadricepsAdductors

Secondary

HamstringsGeneral CoreForearms

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