Body Weight Training

Some benefits are:

By using your own weight you learn how to use your own body effectively. This helps you to become stronger and more comfortable doing everyday jobs such as bending, lifting, etc.
Most exercises will use more than one muscle group. This means you get a faster and more efficient workout.
You can move from one exercise to the next without delay. This increases the intensity of the workout without increasing the time.
Most exercises are functional. You perform them using movements that you would normally use on a daily basis.
They are cheap, effective and easy to do.
They can be done anywhere and anytime in a short space of time if needed - No need to miss any training sessions because you are away from the gym or running short of time.
The exercises help promote good posture and balance - Ingredients that become crucial as we all grow older.
They help to increase flexibilty.
It is possible to reduce pain and correct improper movement patterns.
These exercises are fun and can be made more challenging or easier by making small changes.
Training can be done in your own home or most any other location.