If you're new to ab mat training, start with these eight exercises. Do three sets of 10–15 reps, focus on form over speed, and you'll build real core strength in a few weeks without wrecking your lower back.

Most people overcomplicate core training. They chase novelty, stack random exercises they saw on social media, and wonder why their abs never change. The truth is simpler. A handful of well-executed movements, done consistently, will out-perform a scattered routine every time.

This guide gives you the eight exercises that belong in every beginner's rotation. Each one has beginner, intermediate, and advanced variations so you can progress without outgrowing the program.

Before You Start: Setup Matters

The ab mat only works if you use it right. Two minutes of setup saves weeks of bad reps.

Orientation. Curved side up, flat side on the floor. The highest point of the curve supports your lower back. Your tailbone rests on the tailbone protector pad.

Positioning. Lower your back onto the mat so the top of the curve lands just below your shoulder blades at full extension. If the mat feels too high on your back, scoot forward a few inches.

Range of motion. Your shoulders should extend past the top of the mat at the bottom of every rep. That extra stretch is the whole point. If you're stopping where a floor sit-up would stop, you're not using the mat.

For a complete setup walkthrough, see How to Use an Ab Mat.

The 8 Exercises

1. Ab Mat Crunch

The easiest entry point. Good for building the mind-muscle connection before you move to full sit-ups.

How to do it: Lie on the mat, feet flat on the floor, knees bent at 90 degrees. Place your hands on your thighs. Curl your shoulders up a few inches, sliding your hands up toward your knees. Lower with control.

Progressions Beginner: Hands on thighs, slide up toward knees  |  Intermediate: Hands behind head  |  Advanced: Hands overhead holding a light weight

Reps: 3 sets of 12–15

2. Ab Mat Butterfly Sit-Up

The primary ab mat exercise. Once you've built a base with crunches, this is where you live.

How to do it: Soles of feet together, knees out to the sides like a butterfly stretch. Start with arms crossed on your chest. Lower your back fully onto the mat, then sit up and touch your knees.

Progressions Beginner: Arms crossed on chest  |  Intermediate: Arms extended overhead at the bottom  |  Advanced: Hold 5–10 lb weight plate overhead

Reps: 3 sets of 10–12

Why butterfly instead of standard? The open hip position takes your hip flexors out of the equation. Your abs do the work instead of your hip flexors pulling you up.

3. Ab Mat Oblique Crunch

Hits the muscles on the sides of your core.

How to do it: Same starting position as the crunch. As you curl up, rotate and drive your elbow toward the opposite knee. Alternate sides each rep.

Progressions Beginner: Hands on thighs, gentle rotation  |  Intermediate: Hands behind head, full rotation  |  Advanced: Hold a light weight at your chest

Reps: 3 sets of 10 per side

4. Ab Mat Leg Raise

Targets the lower abs, which most beginners neglect entirely.

How to do it: Lie on the mat face up. Raise your legs to 90 degrees, then lower them slowly without letting your lower back arch off the floor. If your back pops up, you've lowered too far.

Progressions Beginner: Bent knees  |  Intermediate: Straight legs to 90 degrees  |  Advanced: Lower to 6 inches off floor, pause, repeat

Reps: 3 sets of 10

5. Ab Mat V-Up

A full-core exercise that works upper and lower abs simultaneously.

How to do it: Lie flat on the mat with arms extended overhead. Simultaneously raise your legs and upper body, reaching for your toes at the top.

Progressions Beginner: Tuck-up (bend knees, meet hands to knees)  |  Intermediate: One leg at a time, alternating  |  Advanced: Full V-up with straight legs

Reps: 3 sets of 8

6. Ab Mat Plank Hold

Not glamorous. Not optional.

How to do it: Place your forearms on the mat. Hold a plank with your body in a straight line from shoulders to heels.

Progressions Beginner: 20 seconds ×3  |  Intermediate: 30 seconds ×3  |  Advanced: 45 seconds ×3

7. Ab Mat Hip Raise

A small movement that delivers a surprising burn.

How to do it: Lie face up, legs straight up at 90 degrees. Push your hips off the floor by squeezing your lower abs. Small, controlled movement.

Progressions Beginner: Bent knees  |  Intermediate: Straight legs  |  Advanced: 3-second slow negative

Reps: 3 sets of 10

8. Ab Mat Prone Back Extension

Your core isn't just your abs.

How to do it: Flip the mat under your hips. Lie face down, hands behind head. Raise your chest off the floor squeezing lower back and glutes.

Progressions Beginner: Hands at sides  |  Intermediate: Hands behind head  |  Advanced: Arms overhead

Reps: 3 sets of 12

How to Structure Your First Workouts

Don't do all eight in one session.

Day Exercises Sets × Reps
Workout A (Monday) Butterfly Sit-Up, Crunch, Plank Hold 3×10, 3×12, 3 sets
Workout B (Wednesday) Oblique Crunch, Leg Raise, Prone Back Extension 3×10/side, 3×10, 3×12
Workout C (Friday) Butterfly Sit-Up, V-Up, Hip Raise 3×12, 3×8, 3×10

Rest 30–45 seconds between sets. Form first, reps second.

Common Beginner Mistakes

Chasing reps. Twenty sloppy reps build nothing. Ten clean reps build strength.

Skipping the lower back work. Skip prone extensions and develop lower back issues.

Not using full range of motion. If you're not using the extra depth, you're doing floor sit-ups with a pillow. Read Ab Mat vs Floor Sit-Ups.

Training abs every day. Train 2–3×/week with rest days.

For the full list of mistakes that hold back core progress, read common core training mistakes and how to fix them.

What to Do Next

After 2–3 weeks, move to intermediate variations or follow a structured program. Get the free 28-Day Core Strength Blueprint at /start/. If you're building out your home gym setup, the home gym core equipment guide covers exactly what you need and what to skip.

Get the Free 28-Day Core Strength Blueprint

Every exercise in this guide programmed into a 4-week structured plan. Beginner, intermediate, and advanced tracks included.

Download the Blueprint →

Frequently Asked Questions

How many sit-ups should a beginner do on an ab mat?
Start with 3 sets of 10–15 reps and focus on controlled form. The ab mat allows a deeper range of motion than floor sit-ups, so even experienced exercisers feel the difference. Increase reps as your core strength improves over 2–3 weeks.
Is an ab mat safe for beginners?
Yes. The contoured shape supports your lower back and reduces strain compared to doing sit-ups on a flat floor. If you have existing back injuries or conditions, consult your doctor first.
What is the easiest ab mat exercise?
The basic crunch. Place the mat under your lower back, feet flat, knees bent, and curl your shoulders up a few inches. You do not need to come all the way up to a full sit-up when starting.