There's nothing wrong with body building or workouts modeled in that fashion. But it's also not the only option.

There's so many ways you can get your body working with just your body weight, sandbags, or any other odd shaped object with some weight.

The key is just to get up and get to work. You don't need to do the same thing over and over, either. The more you use your body, the more capable you become.

No excuses!