On: At 95, He's the World's Oldest Speedskater. He's Gunning for 100.

[sMarsIntruder]

Even a small fall could result in bone fractures, meaning that doing this at that age, you must be both fit and brave :)

[dp-hackernews → sMarsIntruder]

Frailty is a result of sedentary living, not old age. Bones adapt well to load, hence resistance exercises with weights is highly recommended as a lifelong endeavor. Basically a use it or lose it mentality will aid your longevity both physically and mentally.