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Beginner’s Guide to Core Strength: Simple Exercises to Start Your Fitness Journey
• January 26, 2025
• 5 min read

No one ever thinks about how often they use their core every day! From bending to tie your shoes to lifting groceries or even sitting up straight, your core muscles work behind the scenes! That’s why building a strong core is so important.
Here’s an eye-opening fact: Nearly 80% of adults experience back pain at some point in their lives, often due to weak core muscles. But here’s the good news—you can start strengthening your core right at home with simple, beginner-friendly exercises.
So, let’s break down what the core actually is, why it’s so important, and easy exercises you can try today!
What Exactly Is “The Core”?
When most people think of the core, they picture their abs—and they’re not wrong. But there’s so much more to it! Your core includes:
- Rectus abdominis (the six-pack muscles)
- Obliques (on the sides of your abdomen)
- Transverse abdominis (the deep, stabilizing layer)
- Lower back muscles like the erector spinae and multifidus
- Pelvic floor muscles, diaphragm, and glutes
These muscles all work together to stabilize your spine, support your posture, and keep your body balanced. Think of your core as the trunk of a tree—it holds everything together.
Why Does Core Strength Matter?
Okay, so what’s the big deal about having a strong core? For starters, it’s not just about looking good at the beach (though that’s a nice bonus). A strong core:
- Improves posture: No more slouching!
- Reduces back pain: A stable spine means less strain on your lower back.
- Enhances balance and stability: Whether you’re walking, running, or just climbing stairs, your core keeps you steady.
- Supports daily activities: Even tasks like carrying groceries or vacuuming become easier with a strong core.
- Boosts athletic performance: From swimming to weightlifting, almost every sport benefits from core strength.
How to Get Started with Core Exercises
Don’t worry—building core strength doesn’t mean spending hours at the gym or buying fancy equipment. You can start with these simple, beginner-friendly exercises.
1. Plank
This classic exercise is a core staple for a reason.
- How to do it: Get into a push-up position, but rest on your forearms instead of your hands. Keep your body in a straight line from head to heels. Engage your core (like you’re bracing for a punch) and hold.
- Start with: 10-15 seconds, gradually increasing as you get stronger.
- Why it works: It strengthens your abs, back, and shoulders—all at once.
2. Side Plank
Ready to take the plank up a notch? This variation targets your obliques.
- How to do it: Lie on your side with legs straight. Prop yourself up on one forearm, stacking your shoulders and hips. Hold the position, then switch sides.
- Why it works: It improves lateral stability and strengthens those side muscles.
3. Bird Dog
This one’s perfect for building balance and coordination.
- How to do it: Start on all fours. Slowly extend your right arm and left leg, keeping your core engaged. Pause, then return to the starting position and switch sides.
- Why it works: It strengthens the lower back and teaches you to stabilize while moving.
4. Glute Bridge
Your glutes are part of your core too!
- How to do it: Lie on your back with your knees bent and feet flat. Press through your heels to lift your hips toward the ceiling, squeezing your glutes at the top. Lower back down slowly.
- Why it works: It engages your glutes, lower back, and deep core muscles.
5. Dead Bug
Funny name, serious results.
- How to do it: Lie on your back with your arms and legs in the air (like a “dead bug”). Slowly lower your right arm and left leg toward the floor, keeping your core tight. Return to the starting position and switch sides.
- Why it works: It builds stability and targets the deep abdominal muscles.
How to Engage Your Core During Everyday Activities
You don’t need to save core work for your workouts. Try these simple tweaks to engage your core throughout the day:
- At your desk: Next time you’re sitting, sit up tall with your shoulders relaxed. Pull your belly button toward your spine as if zipping up a pair of tight jeans. Don’t hold your breath—keep it natural. This not only activates your core but also helps with posture.
- Lifting objects: Picking up groceries or a heavy box? Before you lift, brace your core as if someone’s about to tap your stomach. This small adjustment protects your back and makes the movement safer.
- Walking or running: Think of keeping your core slightly engaged, almost like gently pulling your ribcage down. This improves posture and stability, especially on longer walks or runs.
- Standing in line: Instead of slouching, stand tall and lightly tighten your abs. Imagine a string pulling you upward from the top of your head. Bonus: It makes you look more confident too!
These simple tweaks may feel minor, but over time they’ll strengthen your core and improve your posture without much extra effort. Start with one or two habits, and before you know it, your core will thank you!
Stop the Procrastination and Act Now!
Building core strength is one of the best gifts you can give your body. It supports your daily life, protects you from injury, and even boosts your confidence. Remember, you don’t need to be perfect—just start. The exercises we covered are simple, effective, and easy to fit into your routine.
Here’s one last tip: Pair core exercises with cardio and a balanced diet for even better results. Ready to take the first step? Roll out a mat, try one or two of these moves, and feel the difference. Your stronger, healthier self is just a workout away!
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