Back to Course Develop Core Strength 0% Complete 0/0 StepsCore strength exercisesArm and leg raises Bicycle crunch Crunch Crunch (legs raised) Diagonal arm and leg raises Hover (knees & toes) Hover (leg and arm taps) Hover (single leg lift) Leg drop Leg extensions Lower back extension Oblique crunch Plank (+ Mountain climber) Reverse crunch Side hover (knees & toes) Side hover rotation Superman (+ flutter) Develop Core Strength Crunch Lesson 3 of 17In Progress ← Previous Next→Crunch Emily Gillies In this lesson you will learn how to perform the crunch core exercise as part of a core strength workout.Learning outcomesPerform a crunch