An expert instructor recommends mastering these three moves if you want to age well

A personal trainer coaches a woman to deadlift using dumbbells correctly.

It’s normal to have exercise preferences. Maybe your heart sings every time you get to do a biceps curl, or you’re a fiend for sit-ups.

However, it’s also normal to find certain moves more difficult than others—and according to Peloton trainer Ben Alldis, there’s a certain set of moves beginners usually dislike.