Liftworthy
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Liftworthy

Every exercise ranked by research, by lifters and by results. Find what’s S-tier for your goal, then train it.

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Explore/Glutes

45° Back Extension

Also called Hyperextension

BodyweightCompoundEasy to learn
Front
Back
Primary

Works

Lower back, Glutes, Hamstrings

You need

Back extension / GHD

How to do itPictures · 3 steps
Hip pad
1Bottom
Hip pad
2Top
Main muscles
  1. 1Pad just below your hip crease
  2. 2Round the upper back slightly to bias glutes
  3. 3Hold a plate to progress

Most common mistake

Swinging up into a big arch at the top.

Watch a demo

Good for

  • Top 10 for glutes
  • Easy on the joints and recovery

Compare with

vs Hip Thrust Machinevs Romanian Deadliftvs Deficit Reverse Lunge
B
For cycling
#8 of 16
See the full list →
Research
64
Scored by hand
Results
Soon
From the app
How lifters rate itBe the first
S
A
B
C
D
F
Why research scores it 64
TransferGood
Injury protectionStrong
PracticalityStrong

For the lower back that aches on long rides.

Research behind these criteria

  • Transfer: Seitz et al., 2014 · Markovic, 2007 · Blagrove et al., 2018 · Rønnestad & Mujika, 2014
  • Injury protection: Lauersen et al., 2014 · van Dyk et al., 2019 · Harøy et al., 2019 · Webster & Hewett, 2018
How scores work

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