What are some of the reasons for doing physical training?

Pleasure

Endurance

Strength

Peer approval

Flexibility

Strength, Flexibility, Endurance and Pleasure are the main reasons for doing physical training.

Explanation:

The reason behind someone getting physical training is foremost to be gain strength as well as flexibility at the same time. When the strength and flexibility is achieved in the body the endurance and pleasure is the by product of the physical training then. Therefore according to the given question, all the options are applicable except the peer approval.

It could be pleasure, endurance, strength, and flexibility. and many times people do it for peer approval so really all of them but it is a very open ended question so I can't say for sure