[Propelloni]

Because there is no such commission? Are you sure, you went through a mustering physical? There is no commission waiting to see your wiener. There is an MD to examine you. The MD writes a report that is attached to your file.

What the commission might get serious with is enforcing the mustering process, regardless if it is about the medical exam or the aptitude tests.

[lifestyleguru]

Yes there is, it's literally military commission with military medical board. Personal experience and the quality of "medical proffessionals" in it may vary from country to country.