40MIN HIIT Cardio & Core // Day 58: HR12WEEK 5.0
Dec 4, 2025
Description
Let's HIIT It! 💥 Today's HIIT CARDIO & CORE workout includes lots of powerful explosive movements to build power and endurance. As always low impact modifications are available and just as effective so choose what feels right for you! We are going to be performing two straight sets of each exercise in the HIIT circuits and then we will finish it all off with a series of weighted ab exercises to build strength in the core. Let's do this team!
Equipment Needed //
Exercise Mat
Dumbbells: Medium (15-25lbs)
Workout Breakdown:
0:00 Intro
0:47 Warm Up
5:32 Circuit One (40s work + 20s rest x 2 straight sets)
Burpee Jack
High Knees
Laydown Push Up
Pop Squat
Lunge Jump
15:42 Circuit Two (40s work + 20s rest x 2 straight sets)
Broad Jump
Mountain Climber
Speed Skater
Ghost Rope
Single Arm Sprawl
25:52 Circuit Three (40s work + 10s rest x 2 rounds)
Core Loaded Crunch
Loaded Toe Touch
Seated Twist
Loaded Reverse Crunch
Plank Pass Thru
Plank Reach & Tap
36:04 Cool Down































