Embarking on a journey to strengthen your core and carve out your abs can feel overwhelming at first, especially with the myriad of exercises available. However, beginners should focus on simplicity and consistency—a short routine that can be performed daily which engages all major abdominal muscle groups without requiring any equipment.

Here’s a straightforward ab workout designed for beginners to kick-start their core strength:

1. Plank (30 seconds) 

Start in a push-up position. Plant your hands directly under your shoulders slightly wider than shoulder-width apart. Squeeze your glutes to stabilize your body. Your body should form a straight line from head to heels. Hold the position, keeping your core tight to avoid drooping hips.

2. Bicycle Crunches (15 reps each side) 

Lie on your back with hands behind your head, knees bent, and feet flat on the floor. Bring one knee towards your chest while lifting the opposite elbow towards it, rotating your torso during the movement. Return to the starting position and repeat with the opposite knee and elbow.

3. Russian Twists (20 reps) 

Sit on the floor with knees bent, feet off the ground, and lean back at a slight angle. With a clasp of your hands in front of you, twist from side to side. For an added challenge, hold a light weight or medicine ball between your hands.

4. Lying Leg Raises (10 reps) 

Lie flat on your back with legs straight up in the air and arms extended by sides for stability. Slowly lower your legs down towards the floor without touching it and lift them back up.

5. Mountain Climbers (20 reps each leg) 

From a plank position, pull one knee into your chest as far as you can. Switch legs quickly as if you’re running in place in a plank position.

This routine targets every area of your abdominals—from the rectus abdominis to the obliques—without any fancy gym equipment or complicated movements.

For beginners, consider performing this workout every second day as rest days are crucial for recovery and muscle growth. After two weeks or once you feel comfortable with these exercises, try increasing either the duration of each exercise for planks or adding more repetitions for crunches, twists, leg raises, and mountain climbers.

Remember that consistency is key when starting any new workout regimen—pair this routine with proper nutrition and adequate hydration to witness substantial improvements in core strength and stability over time.