20-Minute HIIT Burn
High-intensity interval cardio to spike heart rate and burn calories.
Jumping Jacks
Jump feet wide and arms overhead; return quickly.
Squat Jumps
Drop into squat then explode upward, land softly.
Mountain Climbers
In plank, drive knees toward chest alternately.
High Knees
Run in place, lift knees to hip level rapidly.
Burpees (modified)
Squat, step back plank, step forward, stand (no jump).
Plank Jacks
In plank, jump feet wide then back together.