45-Degree Back Extension

A machine exercise for the gluteus maximus and hamstrings.

  • Glutes
  • Machine

All exercises

Log it in Platesmith. The app shows last time's numbers on every set of 45-Degree Back Extension, times your rest and tells you when to add weight. Free, with no ads.

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Muscles worked

MainGluteus maximus, Hamstrings
AlsoErector spinae

Setup

The angled back-extension bench; hold a plate at the chest to add load.

How to do it well

  • Pad at the hip crease, feet turned slightly out
  • Hinge down with a flat back
  • Squeeze the glutes to come up to a straight line

Common mistakes

  • Arching past neutral at the top
  • Rounding the back to go lower

Free programs with 45-Degree Back Extension

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General guidance, not medical advice. Start lighter than you think, and check with a doctor first if you have a health condition or injury.