Pushups

Muscle Groups Worked:

Chest

How to Perform This Exericse:

1) Start with your hands shoulder width apart on the floor.

2) With your chest expanded outward, your body fully extended, and your arms at a 90 degree angle, push yourself upward off the floor until your arms are locked out

3) The up position should find your back to be straight, and your head should be in line with your spine.  You should have your eyes on the floor.

4) Bring your body downward to the floor slowly until your chest touches the ground.

Notes:
Keep your chest expanded throughout the motion to ensure targeting your pecs (your pectoralis major and minor muscles).  If you do not do this, you will be also hitting your delts.