The phrase "full plank" refers to a specific exercise position where you support your body with your hands and toes while keeping your body straight like a plank of wood. Full definition
Starting Position: Begin by balancing on your elbows and your toes in the regular full plank position. (ab-core-and-stomach-exercises.com)
Movement C: Set up full plank with hands under shoulders and legs long. (christinebullock.com)
If you're already washing your sports bra three times a week, try decline push - ups, squat jumps, lunge jumps and a traditional full plank. (womenshealthandfitness.com.au)