How toCore Strengthening Workout
4 steps
Plank Cross-Jumps 5-8x each side 3-4 Rounds
1
Full Sit-Up (Advanced - optional weight) 10-12x 3-4 Rounds
2
Plank Climbers 6-8x 3-4 Rounds
3
Knee Crunches (optional weight) 10-12x 3-4 Rounds
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