Super Plank!
You must do the standard plank, but with at least 45 pounds on your back! You need good form too! Not 1 inch off the ground. Your body should form a straight line. highest time doing weighted plank wins (seconds)
Comments
re: PlankGirl Super Planks
can u be my trainer? lmao damn 3 min
can u be my trainer? lmao damn 3 min
















