Timed Core Circuit at Home: Five 20-Second Moves, Three Rounds

By My Daily Health Co StaffLast updated Oct 18, 2026
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Timed Core Circuit - 20 Seconds Each, 3 Rounds workout graphic

This circuit is built on timing rather than counting reps. Do each of five moves for 20 seconds, then repeat the full circuit three times. A mat is all you need.

This post is for general information and is not medical advice. Check with your doctor before starting a new exercise routine.

The Exercises

Each move is done for 20 seconds, and the whole circuit is repeated 3 times.

1

Seated knee tuck

20 seconds

2

Bicycle crunches

20 seconds

3

High crunches

20 seconds

4

Mountain climbers

20 seconds

5

Forearm plank

20 seconds

Form Tips

  • Use a timer so you can focus on form.
  • Keep your movements controlled during the crunches.
  • Keep your hips steady during mountain climbers and avoid letting them bounce high.
  • Take a short break if your form slips.

Gear That Helps

A mat gives you a cushioned surface for the floor-based moves.

Check the Gaiam Premium 6mm Yoga Mat on Amazon
Not medical advice. Check with your doctor before starting a new exercise routine, and stop if something hurts.

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