What is Physical Fitness?

Physical fitness is an important part of life. It is an indicator which shows whether you have the ability to perform and enjoy day to day physical activities with ease.

Physical fitness is generally achieved through -

• physical activity and exercise,

• correct nutrition,

• enough rest (good quality sleep),

• Stress management and relaxation.

Definition of Physical Fitness:

So what is Physical Fitness after all?

Physical fitness is defined as the state of general well being, physically sound and healthy, along with mental stability.

Previously fitness was commonly defined as the capacity of the person to meet the physical demands of daily life and carry out the day’s activities without undue fatigue.

However, because of increased leisure time, changes in lifestyles rendered this definition insufficient. These days, physical fitness is considered a measure of the body’s ability to function efficiently and effectively in work and leisure activities, to be healthy, to resist hypo-kinetic diseases, and to meet emergency situations.

“Physical fitness is not only one of the most important keys to a healthy body, it is the basis of dynamic and creative intellectual activity.”

John F. Kennedy

I hope you are still with me looking for an answer of what is physical fitness? Well, there is no true physical fitness definition, as the meaning of that term varies frequently from expert to expert. However, fitness does encompass the following key components. If you work steadily on health related components of physical fitness, it will make you fit within a short span of time.

Physical fitness can be classified into following categories:

A. Health related fitness components

B. Skill related components of physical fitness

C. Physiological components of fitness

D. Sports related components of fitness

Health related fitness components:

These are -

1. Body composition

2. Cardiovascular fitness

3. Flexibility

4. Muscular endurance

5. Muscle strength

Health Related Physical Fitness –

What is Physical Fitness or what is Health Related Physical fitness? - It is best defined as activity aimed to improve your health. The goal of health related fitness is prevention of or rehabilitation from disease as well as the development of a high level of functional capacity for daily tasks.

Health related physical fitness is further divided into 5 parts i.e. components of health related physical fitness are -


In other words the ratio of fat to muscle. Minimum of fat and maximum of lean mass is a sign of a healthy and fit body.


Cardiovascular endurance can be defined as the component which helps to determine if the heart and lungs are working in coordination. It shows the ability of the body to deliver oxygen and nutrients to tissues and to remove wastes.

Cardiovascular exercises or aerobics -walking, running, biking, rowing, treadmills


Flexibility can be defined as the component which checks the ability of the joints in the body to move to their full range of motion.

Flexibility exercises - stretching, yoga, Tai Chi


Muscular endurance is defined as the ability of the body to perform repeated exercises without getting tired. If a person can perform more number of repetitions of a particular strength training exercise, then it can be said that he/she has good muscular endurance.

Strength training exercises such as running, jogging, cross-training on an elliptical machine, etc.


Muscle strength can be defined as the capability of the muscles to lift weight. By doing weight training exercises every alternate day increases the muscle mass of the body.

Weight training exercises - push ups, pull ups, biceps curls, pectoral fly, leg extensions, back extension, etc.

Skill related components of physical fitness:

1. Agility

2. Balance

3. Coordination

4. Power

5. Reaction Time

6. Speed

Physiological components of fitness:

1. Metabolic

2. Morphological

3. Bone integrity

4. Other

Sports related components of fitness:

1. Team sport

2. Individual sport

So what is physical fitness? It is a combination of all these fitness components mentioned above.

Physical fitness and wellness is far more attainable than commonly perceived. A good physical fitness and wellness can be described as a condition that helps individuals look, feel and do their best.

Physical fitness is not just about having a thin lean body frame, but it is about having cardiovascular and muscular endurance, strong immunity system, and most importantly, a satisfied, happy and well balanced state of mind.

You should get the full knowledge and information about the importance and benefits of physical fitness.

Read more....

Return to FITNESS Articles

5 Components of Physical Fitness

Benefits of Physical Fitness

Return to HOME from What is Physical Fitness?

Share this page:
Enjoy this page? Please pay it forward. Here's how...

Would you prefer to share this page with others by linking to it?

  1. Click on the HTML link code below.
  2. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable.