4 MIN Plank Challenge to GET 6 Pack Abs (4 WEEKS RESULTS) - YouTube
This Full-Body Plank Workout Takes Just 5 Minutes to Do | SELF
4-Minute Plank Workout
Day 5: Improve Your Core-Improve Your Riding - Budget Equestrian
4 Minute Plank Tabata Workout For Beginners (ABS OF STEEL WORKOUT) | LiveLeanTV - YouTube
Five-Minute Plank Progression: 9 Simple Tips | BODi
five minute plank challenge
4-Minute Plank Tabata Challenge (Day 1): High Plank Exercises | Pumps & Iron
4 Minute Plank Workout - Smaller waist from home! by Vicky Justiz - YouTube
4-Minute Superplank
How to build up to a 10-minute plank — Lucky7
4-Minute Plank Tabata Challenge (Day 2): Forearm Plank Exercises - YouTube
Suck It Up Buttercup: 5 Minute Plank Challenge | My Semi-Crunchy Life
4-Min Plank Tabata Challenge (Day 7): Sliding High Plank Exercises | Pumps & Iron
4-Minute Plank Tabata Challenge (Day 5): Full Body - YouTube
THIS IS HOW LONG YOU SHOULD BE HOLDING THE PLANK
The Four-Minute Advanced Plank Workout | Bowflex
MyNavy HR - In just four short months Sailors will need to master the plank for the PRT. Earlier today we shared tips on how to plank, now let's tackle it together
