An update on Margaret from Russ Greene:
3 rounds for time: 4 lengths of her bedroom walking unassisted, 8 clean and jerks with a book. 13:41. I asked her if she wanted to work out today, and she said yes. Usually it takes a bit more encouragement, to say the least. It should be noted that this workout could have been scaled anywhere from 225 lb. clean and jerks and 400m runs for Rob Orlando to assisted walking and broomstick clean and jerks for the Margaret of two months ago. It is the particular application of a workout (aka scaling) that makes it wise or foolhardy, not a particular exercise combination or rep scheme.