Our top dumbbells come from BowFlex, Rogue, and NordicTrack. See what other dumbbells we’ve racked up for optimal gains at home. Getting a few integral exercise pieces, like the right dumbbell set, ...

Use the body data, modifying the related R code given in the **Examples of Chapter 12** (and other chapters). ```{r, echo=TRUE} body <- structure(list( Chest = c(34 ...