Physical fitness is used in two close meanings - general fitness (a state of health and well-being) and specific fitness (a task-oriented definition based on the ability to perform specific aspects of sports or occupations).
Physical fitness is the result of regular exercise, proper diet (nutrition) and nutrition, and proper rest for physical recovery within the parameters allowed by the genome.
Physical fitness is often divided into the following types (in alphabetical order):
- Body composition
- Cardiovascular endurance
- Flexibility and joint range of motion
- Muscular strength & endurance
Many sources also cite mental and emotional health as an important part of overall fitness. This is often presented in textbooks as a triangle made up of three sub-sections which represent physical, emotional, and mental fitness. Hence, one may be physically fit but may still suffer from a mental illness or have emotional problems. The "ideal triangle" is balanced in all areas. Physical fitness can also prevent or treat many chronic health conditions brought on by unhealthy lifestyle or aging.
Specific or task-oriented fitness is a person's ability to perform in a specific activity with a reasonable efficiency, for example, sports or military service. Specific training prepares athletes to perform well in their sports.
- 100m sprint - in a sprint the athlete must be trained to work anaerobically throughout the race.
- Marathon - in this case the athlete must be trained to work aerobically and their endurance must be built-up to a maximum.
Fire fighters and police officers must undergo regular Fitness testing to determine if they are capable of the physically demanding tasks required for the job before they are employed. Students in elementary and high school also undergo regular fitness testing. In some countries, students can earn fitness badges, such as the physical fitness badge which is earned in the United States.
Getting fit involves working different parts of your body. Here i'm going to give you some good links to work these parts. Please feel free to email me if you know about more good pages on these themes, i'll make sure to add them here and quote you.
I tried to get references to "top exercises" in each category, this way you get the most common exercises to get fit! If you look for more specific stuff in each category, please write me (i can«t put everything here, there's too much information out there...).
Abs - Starting with your abs exercises
- Here's a great webpage with 10 different exercises for your abs, with pictures and videos: 
Arms- Top arms exercises (don't get scared by the photos, eheh): 
Back - To get strong back muscles, improve your posture and avoid back pain: 
Butt - Here's the top 10 butt exercises: 
Chest- Top 10 chest exercises: 
Legs- The most efective legs exercises: 
Shoulders - A et of good shoulders exercises: 
Don't get confused if you see man or woman pictures doing the exercises on the pages I present here, because most of the exercises are good for everyone you just have to choose the rigth weigths for your strength.
- 8 minutes abs workout
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If you want to send me a message with sugestions, possible partnerships, critics, just feel free to write to me at firstname.lastname@example.org. Regards, Luis