One aspect that can be determined is that Collins suffered from at least some sort of physical infirmity.

I've also been spared all the physical infirmities that my physicians have long predicted.

To reach an age of total spiritual and physical infirmity?

Despite his physical infirmities, he possessed a mind that was a virtual encyclopedia of the occult.

For Mr. Simpson, such claims of physical infirmities are something new.

It went on to state the only three acceptable excuses: physical infirmity, retirement or death.

It deals with physical infirmities which might prevent you from serving.

Despite their physical infirmities, these birds are sensitive, intelligent and alert.

There may be situations where incompetence, youth, lack of skill or a physical infirmity would affect the ability to do the job.

Despite his physical infirmity, there seemed no quit in the old dwarf, though.