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45° Back Extension

Primary target: Erector Spinae (竖脊肌)

Exercise Details

Equipment
45° back extension bench
Sets & Reps
3-4 sets × 12-15 reps · rest 90 s
How to do it
Hips against the pad; lower by flexing the spine one vertebra at a time (rounding down), then extend one segment at a time up to neutral and stop; hands crossed at the chest or hugging a plate; controlled speed throughout.
Common mistakes
Substituting hip extension (becomes a hip thrust), over-hyperextending at the top, head-down uncontrolled rounding

Muscles Worked

Erector Spinae

Other Exercises for the Same Muscle

Deadlift · Back Extension · Good Morning

See the Erector Spinae in the 3D anatomy tool →