Crossword puzzle clue "well developed muscles"

Well-developed muscles

Writer who said "One cannot think well, love well, sleep well, if one has not dined well"

Muscles that can be developed with crunches

Back muscles developed in a strictly legitimate way?

Muscles developed by pull-ups, for short

Well-developed, in a way

Well-developed musical sense, metaphorically

Hans who developed a well-known counter