Watch the video below to see a demonstration of proper form and technique for the plank exercise. You can also check out some more abs exercise videos or find exercises for other muscle groups.
To perform a set of plank:
Lie on the ground in a prone position with your elbows under your shoulders.
Squeeze your abodominals to raise your body off the ground, supported only by your elbows and toes. The trunk should be in a neutral position and the legs fully extended. Be aware of keeping your shoulders in a comfortable, neutral position.
Continue squeezing your abdominals and keeping your legs extended for as long as described or until you can no longer maintain the neutral position of your trunk. If you are unable to start in a neutral position, it is recommended to do an easier variatio
Remember to breathe normally throughout the entire movement.
Repeat steps 1 through 4 until you have completed the desired number or duration of plank repetitions.
This completes one set of plank.