Core & Cardio

Forget the treadmill. This is a Core & Cardio Circuit built on my CircuitFIT methodology. You'll perform 4 core exercises -Spider-Man Plank × 10–12 reps, Bicycle Crunch × 15–20 reps, Lying Leg Raise × 12–15 reps, and Windshield Wiper or Reverse Crunch × 10–15 reps. After each core exercise, you perform a cardio burst: either Jumping Jacks × 25–50 reps (home version) or a 30-second Stationary Bike sprint (gym version). Repeat the entire circuit 3 times with 1 minute rest between completed circuits. Short, brutal, and over before you know it -while torching body fat and building the core stability that keeps your spine healthy for the next 40 years.

Tips & Key Takeaways

• ✓The Circuit -3 total rounds: 1) Spider-Man Plank × 10–12 reps → Cardio burst, 2) Bicycle Crunch × 15–20 reps → Cardio burst, 3) Lying Leg Raise × 12–15 reps → Cardio burst, 4) Windshield Wiper or Reverse Crunch × 10–15 reps → Cardio burst. Rest 1 minute between completed circuits only.
• ✓Cardio options after each core exercise: Jumping Jacks × 25–50 reps if you're training at home, or Stationary Bike × 30-second all-out sprint if you're at the gym. Either way, the goal is to spike your heart rate between core movements. This turns a core session into a fat-burning machine.
• ✓Spider-Man Planks hit your obliques, hip flexors, and shoulders simultaneously. Start in a standard plank position, then drive one knee toward the same-side elbow. Alternate sides. Keep your hips level -if your butt is hiking up, you're compensating.
• ✓Bicycle Crunches target your rectus abdominis and obliques through rotation. Touch your elbow to the opposite knee, extending the other leg fully. Slow these down -most guys turn these into a speed drill and get nothing from them.
• ✓Lying Leg Raises isolate your lower abs. Keep your lower back pressed into the floor the entire time. If it's peeling up, you're going too low. Reduce range of motion before you sacrifice form.
• ✓Windshield Wipers are the advanced option -lie on your back, legs straight up, and rotate them side to side like a windshield wiper. If that's too intense, swap for Reverse Crunches: knees bent, curl your pelvis toward your ribcage. Both hit your lower abs and obliques.
• ✓This is your active recovery day too. The circuits get blood flowing to muscles still recovering from Chest & Back and Leg Day. Think of it as aggressive recovery -not a day off, but a different kind of work.
• ✓If you're over 35 and you don't train core stability, you're one awkward sneeze away from a herniated disc. This circuit is injury insurance -and it's the cheapest policy you'll ever have.