Core work facing down with plank variations, on your back for ab and oblique strengthening, on your belly for some low back, and YES! on your hands and knees for scrambled egg! All the core things!
Related workouts
Core: Face Up. Face Down.
Pilates Fab 5 Ab Series
Standing Row with Hand Variations
City Stretch – Upper Body
Plank & Pulse
HIIT & Core #3
Stationary Lunges
Plank Squares
8 Minute SLIDER Lunge Series