• VERY FEW CORE WORKOUTS are complete without adding at least one or two plank variations into the routine. If you're like most exercisers, you've already done your fair share of this foundational movement. “Planks offer a safe, challenging, and effective way to train both the core and many other muscles, including the shoulders, pectorals, biceps, triceps, glutes, quads, hamstrings, and more!” says Jennifer DeCurtins, a personal trainer, CrossFit coach, and yoga teacher.
To make the plank even better, add in movement, balancing elements, and weights. “In my mind, a plank is anything that includes a straight line from your shoulders to your knees,” says DeCurtins, who put together 101 of her favourite variations of the move in her new book, Ultimate Plank Fitness. “Beyond that, you can think out…
