Halfway through my jumping routine yesterday, Gym Teacher pulled me in close, lowered her chin, and glancing around furtively, whispered, "I want you to jog."
"You want me to WHAT?" I exclaimed, blowing her cover.
"Just, try. Slowly. Walk a few steps and then build it up."
Gentle Reader, it weren't pretty, and it weren't for more than 5 steps, but I jogged. When I tried it again later that evening, it was very gimpy. Baby steps, but I'm getting somewhere.