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Reverse Fly

Hinge and open the arms wide to build the rear delts and upper back.

dumbbellbeginnerFilm: side
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AI form check · side view
Full movement, looped — roughly what the AI tracks when it scores your reps.Video by SHVETS production on Pexels

Muscles worked

Rear deltoids
Trapezius
Lower back (erector spinae)
PrimarySecondaryStabilizer

Form tips

  • Hinge forward, soft knees, flat back.
  • Open the arms wide, lead with the elbows.

Watch the loop a couple of times, then match the tempo and range of motion.

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