21-Day FAT LOSS & STRONGER CORE

Combine full-body cardio with focused core sessions to build abdominal strength and support overall fat loss—without spot-reduction promises.

Focus and how to use this plan

This path follows our existing 21-day core and conditioning schedule, with warmups, full-body HIIT, abs training and recovery days. Core exercises strengthen your abs but do not selectively remove belly fat. HIIT can be demanding: modify movements, take breaks, or start with Beginner Fat Loss.

Work through the calendar in order. A missed day does not erase your progress: resume where you left off rather than doubling the next session. Recovery days belong to the plan and can be marked complete after you take them.

Time: 24–35 min per training day, plus setup and any additional breaks. Equipment: No equipment. Check each demonstration before starting; household supports must be stable and not slide.

These are site-written usage notes. The daily session names and original video links come from the channel's existing schedules. No outcome is guaranteed.

Your progress

The complete calendar below is readable without JavaScript. Enable JavaScript for saving and completion tracking.

Start day 1

Guest checkmarks remain on this device. Signed-in checkmarks use your account separately; guest history is not automatically imported.

Complete daily calendar

Day 1: Follow-along workout

30 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 2: Follow-along workout

30 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 3: Rest Day Stretch

Recovery day. No training session is required. Optional videos below are optional, not a replacement for rest.

Optional videos:

  1. Cool Down Abs StretchWatch on YouTube ↗

Day 4: Follow-along workout

30 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 5: Follow-along workout

30 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 6: Rest Day Stretch

Recovery day. No training session is required. Optional videos below are optional, not a replacement for rest.

Optional videos:

  1. Cool Down Abs StretchWatch on YouTube ↗

Day 7: Follow-along workout

30 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 8: Follow-along workout

25 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Upper Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 9: Follow-along workout

25 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Lower Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 10: Follow-along workout

24 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Obliques WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 11: Rest Day Stretch

Recovery day. No training session is required. Optional videos below are optional, not a replacement for rest.

Optional videos:

  1. Cool Down Abs StretchWatch on YouTube ↗

Day 12: Follow-along workout

25 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Upper Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 13: Follow-along workout

25 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Lower Abs WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 14: Follow-along workout

24 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Obliques WorkoutWatch on YouTube ↗
  3. Full Body HIITWatch on YouTube ↗
  4. Cool Down Abs StretchWatch on YouTube ↗

Day 15: Follow-along workout

35 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Upper Abs WorkoutWatch on YouTube ↗
  3. Plank ChallengeWatch on YouTube ↗
  4. Full Body HIITWatch on YouTube ↗
  5. Cool Down Abs StretchWatch on YouTube ↗

Day 16: Follow-along workout

34 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Lower Abs WorkoutWatch on YouTube ↗
  3. Plank ChallengeWatch on YouTube ↗
  4. Full Body HIITWatch on YouTube ↗
  5. Cool Down Abs StretchWatch on YouTube ↗

Day 17: Rest Day Stretch

Recovery day. No training session is required. Optional videos below are optional, not a replacement for rest.

Optional videos:

  1. Cool Down Abs StretchWatch on YouTube ↗

Day 18: Follow-along workout

35 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Upper Abs WorkoutWatch on YouTube ↗
  3. Plank ChallengeWatch on YouTube ↗
  4. Full Body HIITWatch on YouTube ↗
  5. Cool Down Abs StretchWatch on YouTube ↗

Day 19: Follow-along workout

34 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Lower Abs WorkoutWatch on YouTube ↗
  3. Plank ChallengeWatch on YouTube ↗
  4. Full Body HIITWatch on YouTube ↗
  5. Cool Down Abs StretchWatch on YouTube ↗

Day 20: Rest Day Stretch

Recovery day. No training session is required. Optional videos below are optional, not a replacement for rest.

Optional videos:

  1. Cool Down Abs StretchWatch on YouTube ↗

Day 21: Follow-along workout

32 minutes listed in the original schedule. Allow extra time for setup and pauses.

Follow the videos in numbered order:

  1. Warm UpWatch on YouTube ↗
  2. Obliques WorkoutWatch on YouTube ↗
  3. Plank ChallengeWatch on YouTube ↗
  4. Full Body HIITWatch on YouTube ↗
  5. Cool Down Abs StretchWatch on YouTube ↗

All programs · Recovery and progression guide