Build a solid foundation with these beginner-friendly core moves. Focusing on form and muscle activation, these exercises help improve posture, balance, and midsection definition.

1. Leg Raises (Lower Ab Focus)

How to Do Leg Lifts Properly for a Solid Core | The Output by Peloton

Target: Lower Rectus Abdominis

This exercise is key for tightening the lower belly and improving core endurance.

How to perform:

  • Lie flat on your back with your palms facing down.
  • Press your lower back into the floor to engage your core.
  • Slowly lift both legs to a 90-degree angle.
  • Lower them back down slowly without letting your heels touch the ground.

Tip: Keep your movements slow to maximize muscle tension.

Volume: 3 sets of 12–15 reps.

2. Bicycle Crunches (Full Core & Obliques)

How To Do Bicycle Crunches | SELF

Target: Obliques and Deep Core

Widely considered one of the most effective moves for defining the waistline.

How to perform:

  • Lie on your back with hands behind your head and legs in a tabletop position.
  • Bring your right elbow toward your left knee while extending the right leg.
  • Alternate sides in a smooth, pedaling motion.

Tip: Focus on rotating your torso rather than just moving your elbows.

Volume: 3 sets of 15 reps per side.

3. Standing Side Bends (Waist Toning)

This Standing-Only Ab Workout Takes Only 20 Minutes — Alo Wellness Club |  The Blog

Target: External Obliques

A great low-impact exercise to strengthen the sides of your core and support spinal alignment.

How to perform:

  • Stand with feet hip-width apart and knees slightly bent.
  • Gently bend your torso to one side, sliding your hand down your thigh.
  • Engage your side abs to pull your body back to the center.

Tip: Keep your hips steady; only move your upper body.

Volume: 3 sets of 15 reps per side.

4. Plank-to-Knee-In (Stability Builder)

Workout Guide - Alternating Knee-to-Elbow in Plank on Make a GIF

Target: Transverse Abdominis & Hip Flexors

This dynamic plank variation builds both strength and functional stability.

How to perform:

  • Start in a high plank position (arms straight).
  • Bring one knee toward your chest while keeping your back flat.
  • Return to the starting position and repeat with the other leg.

Tip: Avoid letting your hips sag or hike up during the movement.

Volume: 3 sets of 12 reps per leg.

Pair this routine with a balanced diet for best results. Stay consistent!