Cardio 30 min and core circuit 3 rounds

Today I did 30 minutes intervals on the treadmill and ended with 7 core exercises in a circuit, 3 rounds

Treadmill – 30 min
3 min speed 8,5
2 min speed 13
X 6

Core circuit
12 Woodchopper/push up on the Pilates half ball (pic)
Plank 2 min
Sit up’s (slow and controlled)
Side plank 1 min/side
20 Pilates boat (move)
20 moving plank (diagonal)
20 jack knife
X 3