This YouTube video is a great Plank Workout for a Flat Stomach you can do at home. #plankworkout
This plank workout consists of two rounds with 6 variations.
The timer will be set for the usual duration of 40 seconds on, with 20 seconds of rest in between each exercise.
▸ Workout Focus: Abs and Core
▸ Time: 12 Min
▸ Equipment: No Equipment
▸ Instructions: Follow along and complete as many reps as possible in 40 Seconds. After 20 Seconds of Rest continue to the next move.
▸ The Workout:
Alternating Spiderman Plank Crunches
Side Planks (L + R)