15 MINUTE AB WORKOUT ROUTINE
- Russell Prothero
- Feb 16
- 2 min read
(Not recommended if you struggle with lower back issues. Please contact us if you would like custom programs developed for you based on your limitations.)

Here's a solid, effective AB workout routine you can do at home with no equipment. It's designed to hit all major areas: upper abs, lower abs, obliques, and deep core (transverse abdominis). This is a balanced circuit-style routine that's beginner-to-intermediate friendly but can be made harder by slowing reps or adding pauses.
Quick 12-15 Minute Ab Routine (3-4 rounds)
Do each exercise for the listed time/reps, then move to the next one with minimal rest (10-20 seconds). Rest 60-90 seconds after each full round. Aim for 3 rounds to start; build to 4 as you get stronger.
Bicycle Crunches – 40-60 seconds (or 20-30 reps per side)
Lie on your back, hands behind head, legs lifted. Alternate bringing opposite elbow to knee in a pedaling motion while extending the other leg. Keep it controlled—twist fully and squeeze obliques.
Leg Raises / Reverse Crunches – 12-20 reps
Lie flat, hands by sides or under hips. Keep legs straight (or slightly bent for easier version) and raise them to ~90° (or toward ceiling), then slowly lower without touching floor. Focus on curling hips off the ground at the top for lower abs.
Plank with Shoulder Taps – 30-50 seconds
In forearm plank (or high plank), keep body straight. Tap one hand to opposite shoulder, alternate without rocking hips. Builds deep core stability + obliques.
Russian Twists – 40-60 seconds (or 20-30 reps per side)
Sit with knees bent, lean back ~45°, feet off floor if possible (or on floor for easier). Twist torso side to side, touching floor beside you each time. Keep core tight—no slouching.
Mountain Climbers – 40-60 seconds
In high plank position, drive knees toward chest quickly (like running in place). Keep hips level and core braced. Great for lower abs + cardio burn.
Dead Bug – 12-20 reps per side (slow & controlled)
Lie on back, arms straight up, knees bent 90°. Extend opposite arm and leg out straight while pressing lower back into floor, then return and switch. Excellent for deep core control and anti-extension strength.
Quick Tips for Best Results
Focus on quality over speed—slow negatives (lowering phase) make exercises much harder and more effective.
Breathe out during the effort (crunch/twist phase).
To see abs → combine this with good nutrition (calorie deficit if fat loss is goal) and overall training/cardio. Abs are revealed in the kitchen more than built in workouts.
If too easy → add 2-3 second holds at peak contraction or increase rounds/time.
If beginner → cut times in half and keep feet down where possible.
Let me know your fitness level (beginner/intermediate/advanced) or if you want a shorter 8-minute version, longer 20-minute one, or something focused more on lower abs/obliques! 💪



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