Core & HIIT · Bodyweight · Beginner
Iron Core 15-Minute Ab Sculpt Routine
A focused, evidence-based abdominal routine designed by strength coaches to hit the rectus abdominis, obliques, and transverse abdominis through flexion, anti-extension, and anti-rotation mechanics.
Duration
15 Min
Equipment
Bodyweight
Targets
Abs, Obliques, Hip Flexors
Level
Beginner
Est. Burn
~150 kcal
Part of Multi-Day Plan
Core Fortress & HIIT Metabolic Burn Program
6-week structured training cycle with progressive overload and scheduled rest days.
Weekly Schedule:
Sun
Rest
Rest Day
Interactive Workout Player
Live Mode
00:00
timer
Active Movement
1 of 4: 3/4 sit-up
Set 1 of 3
Calculated Burn
0 kcal
Live MET Estimation
Workout Routine Schedule (4 Movements)
Complete each movement in order. Tap the checkmark after each set to track your progress, or tap Swap to change equipment.
#1
3/4 Sit-Up
Form Tip: Curl the torso upward with a focused contraction, keeping the lower back anchored during the initial drive.
Set 1
15 - 20 reps
Set 2
15 - 20 reps
Set 3
15 - 20 reps
#2
Front Plank With Twist
Form Tip: Rotate the pelvis smoothly side to side in a controlled arc, feeling the obliques decelerate the movement.
Set 1
12 reps per side
Set 2
12 reps per side
Set 3
12 reps per side
#3
Bodyweight Incline Side Plank
Form Tip: Maintain a straight kinetic chain from ears down to heels, contracting the glutes for spinal support.
Set 1
35 sec per side
Set 2
35 sec per side
Set 3
35 sec per side
#4
Kneeling Plank Tap Shoulder (male)
Form Tip: Brace as if expecting a punch to the stomach to keep the torso completely motionless during shoulder taps.
Set 1
20 taps
Set 2
20 taps
Set 3
20 taps
Coaching Tips & Progression Advice
- Avoid pulling on the back of the neck; initiate every rep strictly from the abdominal wall.
- Exhale fully on the contraction phase to maximize recruitment of the transverse abdominis.
- Take minimal rest between movements to build muscular density and endurance.
Post-Workout Fuel
Browse Low-Carb Fit Meals →
What to Eat After This Workout
Pair with a lean protein source and moderate hydration to support core recovery.