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Workout · 15 min · No equipment

15-Minute Ab and Core Workout at Home: No Equipment Needed

Your core isn't just your "six-pack": it's the group of muscles that stabilizes your torso when you run, lift weights or carry groceries. This 15-minute workout trains it from every angle (front, sides and rotation) with no equipment, just the floor. You can do it 3 or 4 times a week, on its own or at the end of another workout.

Duration15 minutes
EquipmentNone · optional: mat
LevelAll levels (with 3 levels)
Frequency3-4 times a week
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Warm-up

2 minutes · no rest

  1. Cat Stretch

    8 slow reps

  2. Bird Dog

    6 per side

    Go slowly, without letting your hips shift.

  3. Pelvic Tilt into Glute Bridge

    8 reps

Block 1 · Plank and stability

4 minutes · 2 rounds · 40 sec work and 20 sec rest

  1. Front Plank

    40 sec

    Squeeze your glutes and don't let your hips sag.

  2. Dead Bug

    40 sec, alternating sides

    Keep your lower back pressed into the floor the whole time.

Block 2 · Obliques and rotation

4 minutes · 2 rounds · 20 sec rest between exercises

  1. Side Plank

    30 sec per side

    Easier with your knees on the floor.

  2. Russian Twist

    30 sec

    Keep your feet on the floor if you're just starting out.

Block 3 · Dynamic finisher

3 minutes · 2 rounds, no rest

  1. Mountain Climbers

    30 sec

    Controlled pace, hips level with your shoulders.

  2. Reverse Crunch

    10-12 reps

  3. Boat Hold (V-Sit)

    20 sec

Cool-down

2 minutes

  1. Child's Pose

    45 sec

  2. Seated Spinal Twist

    30 sec per side

Choose your level

Beginner

Weeks 1-3

Do the easier variations and focus on form before time.

Work30 sec per exercise
VariationsPlank and side plank with knees down

Intermediate

Weeks 4-6

The workout exactly as written, with the full timings.

Work40 sec per exercise
VariationsRussian twist with feet off the floor

Advanced

Week 7 onward

Add a third round to each block or extend the work periods.

Work45-50 sec per exercise
VariationsPlank with one leg raised
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Sample week

DaySessionNotes
MondayFull core workoutAt your current level
WednesdayFull core workoutTry adding 5 sec per exercise
FridayFull core workoutRepeat the timings or move up a level
SundayBlocks 1 and 3 only (optional)Short 7-8 minute version

Tips to make it work

Core exercises don't burn belly fat in one specific spot. What they do build is a stronger, more stable torso, which helps in your other workouts and in everyday life. Pair this workout with strength training and some cardio throughout the week.

Frequently asked questions

Will this workout help me lose belly fat?

Not on its own. You can't burn fat from just one area. Diet, daily activity and your overall training matter most for losing belly fat; this workout strengthens your core.

Can I do ab workouts every day?

You can, but 3-4 times a week is enough for most people. Take a day off if your abs feel sore.

Which is better, planks or crunches?

They complement each other. Planks train torso stability and crunches train flexion. This workout combines both types of exercise.

Do I need a mat?

It's not essential, but on a hard floor it makes planks, dead bugs and Russian twists more comfortable.

Optional Decathlon gear for core training at home

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