Get down on the floor with your legs spread shoulder-width apart and your arms extended in front you on the floor more than shoulder-width apart. Your arms should be in line with your mid-chest and your neck, back and legs need to be in a straight line. This is your starting position.
Lower yourself down until your chest almost touches the ground. Then, push yourself back up to the original starting position. Repeat this movement for the desired or prescribed number of repetitions.
Perform this exercise in a smooth and fluid motion
Don't lock out your arms at the top of the Pushup movement
SPECIAL NOTES & LEVEL of DIFFICULTY VARIATIONS
To increase the level of difficulty, slow down the movement or have someone put a weight plate on your upper back.