The common symptoms of dwarfism include short arms and legs, small or average-sized hands and feet, and a large head disproportionate to the body, just to name a few (via Mayo Clinic). Adam Rainer's case, however, was different. Despite being diagnosed with dwarfism, the medical records from his attempts of enlisting in the army noted that he had big hands and feet for a person of his short stature, which is unusual for those with dwarfism.

According to History of Yesterday, Rainer's shoes were a size 10 when he first enlisted, and his hands measured 9.4 inches. What's more interesting is that the following year when he attempted to enlist again, his shoe size was recorded to be size 20. When Rainer turned 21 years old, however, everything changed, and he started growing at an alarming rate. Per Healthline, boys hit the peak of their height at 16 years old and still grow a little until the age of 21. It was the opposite for Rainer, who began growing significantly at 21 years old.

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