One Ab Exercise That Works Better Than 100 Sit-Ups in 5-Minute

You don’t need to do 100 sit-ups a day to get a flatter stomach. With just 5 minutes of plank, you can activate your entire core, improve stability, and begin to reshape your stomach in a healthy, sustainable way.

Planks engage your entire core , improve posture, and help burn fat around the midsection more effectively than traditional crunches or sit-ups.

1. Forearm Plank (Basic Plank)

One Ab Exercise That Works Better Than 100 Sit ups in 5 minute

 

How to Do It:

  • Lie face down, then lift your body onto your forearms and toes.
  • Keep your body in a straight line from head to heels.
  • Engage your core and hold for 15 seconds to start.

Build Up: Increase your hold by 5–10 seconds every few days. Aim for 60-second holds by the end of your challenge.

2. Side Plank

One Ab Exercise That Works Better Than 100 Sit ups in 5 minute

 

How to Do It:

  • Lie on your side and lift your body using your forearm and the side of one foot.
  • Stack your feet or keep them staggered for balance.
  • Engage your obliques (side abs) and hold for 15 seconds.
  • Switch sides and repeat.

Bonus Move: For extra burn, slowly lift and lower your top hip for 10–15 reps per side.

3. Rotational Plank (Plank with Hip Dips or Twists)

One Ab Exercise That Works Better Than 100 Sit ups in 5 minute

 

How to Do It:

  • Start in a high forearm or push-up plank.
  • Shift your hips to one side, lowering them slightly.
  • Bring them back to center, then shift to the other side.
  • Repeat for 15–30 seconds with control.

This variation deeply engages your obliques and deep core muscles for a more defined waistline.

The 28 Day Plank Challenge to Flatten Your Stomach

This challenge is designed to build endurance, strength, and tone your midsection in just 28 days . Start with the basic plank and gradually increase your hold time. Here’s a sample progression:

Week 1:

  • Day 1–7: Hold basic plank for 15 seconds, 3 sets
  • Add 5 seconds every 2–3 days

Week 2:

  • Introduce side plank (10 seconds per side, 3 sets)
  • Continue with basic plank and increase hold time
  • Add rotational plank for 10 seconds per side

Week 3:

  • Aim for 45-second basic plank holds
  • Do side plank 15 seconds per side, 3 sets
  • Add 20 seconds of rotational plank movement

Week 4:

  • Basic plank: 60 seconds
  • Side plank: 30 seconds per side
  • Rotational plank: 30 seconds per side
  • Add a second round for extra burn

By the end of the 30 days, you’ll notice a stronger core, tighter waist, and improved posture —and you’ll feel more stable and balanced in your daily movements.

Share this challenge with your friends, they will thank you when they too have a flat stomach.

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