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RVYN App
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RVYN AppSign in
All exercises

Core & grip

Crunch

  • Single-joint
  • Easy to learn
Starting volume2 × 10–20Default in the RVYN catalogue. Your plan in the app can adjust this for you.
Tip

Curl your upper back off the floor and lower slowly.

Mainly
Core
Equipment
Floor space

Similar exercises

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