TIERS
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TIERS

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/Quads

Leg Extension

MachineIsolationEasy to learn
Front
Back
Primary

Works

Quads

You need

Machines

Leg extension setup →
How to do itPicture · 3 steps
Ankle padSeatBack pad
  1. 1Knee lined up with the machine pivot
  2. 2Lean back slightly to stretch the rectus femoris
  3. 3Lower slowly into the bend

Most common mistake

Kicking the weight up and dropping it.

Watch a demo
C
For cycling
#15 of 16
See the full list →
Research
49
Published rubric
Lifters
—
0/10 ratings
Results
Soon
From the app
How lifters rate itBe the first
S
A
B
C
D
F
Why research scores it 49
Transfer · 45%3/5
Injury protection · 30%2/5
Practicality · 25%4/5
How scores work

Machine taken? Swap to

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  • ATrap Bar DeadliftBarbell
  • AStep-UpDumbbell
  • AHack SquatMachine

Takes

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