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strength · bodyweight

Reverse Crunch

Lower-ab focus by curling knees toward the chest.

3 × 10–15 8 minrest 60s

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Log your sets with a rest timer and one-tap save.

Equipment
bodyweight
Rest
60s between sets
Primary muscles
core
Also works
hip flexors

How to do it

  1. Lie on your back, hands at sides, knees bent 90°.
  2. Curl hips off the floor, driving knees toward chest.
  3. Lower slowly.
  4. Keep lower back pressed down throughout.

Form cues

  • Brace core
  • Full range of motion
  • Slow, controlled tempo

Common mistakes

  • Rushing reps
  • Losing tension at the top

Progressions

  • Master form → add reps → progress to harder variation

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