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/Abs

Bicycle Crunch

BodyweightIsolationEasy to learn
Front
Back
Primary

Works

Abs, Obliques

You need

Nothing but the floor

How to do itPictures · 3 steps
1Left
2Right
Main muscles
  1. 1Hands lightly behind your head
  2. 2Bring one elbow toward the opposite knee
  3. 3Go slowly and straighten the other leg fully

Most common mistake

Pulling on the neck and rushing the reps.

Watch a demo
C
For abs
#15 of 23
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Research
44
Scored by hand
Results
Soon
From the app
How lifters rate itBe the first
S
A
B
C
D
F
Why research scores it 44
Target tensionGood
Loaded stretchFair
ProgressionWeak
Low costExcellent

Research behind these criteria

  • Target tension: Zabaleta-Korta et al., 2021 · Kinoshita et al., 2023
  • Loaded stretch: Maeo et al., 2021 · Maeo et al., 2023 · Pedrosa et al., 2022 · Kassiano et al., 2023
  • Progression: Plotkin et al., 2022 · Pelland et al., 2026
  • Low cost: Schoenfeld et al., 2021 · Refalo et al., 2023
How scores work

Machine taken? Swap to

  • SCable CrunchCable
  • SMachine CrunchMachine
  • AAb Wheel RolloutOther
  • AHanging Leg RaiseBodyweight

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