That’s why the 4-2-1 workout method, popularized by personal trainers like Dr. Robin Barrett on fitness app Ladder, has stuck around for years. Quite simply, it works. But to truly reap the ...
That because of the workout's ascending ladder structure. Even though you're performing only five exercises, you'll graduate ...
Try reverse sprint intervals, a workout method that adds an unconventional ... Or you might do something called a pyramid workout, where you ladder up to a top speed and then climb back down ...