Forearm prone plank exercise is an effective way to tone and strengthen abs and back muscles. Forearm prone plank workout is a compound workout that targets upper and lower body along with core abs and back muscles. It is a complete body workout and make a plank position on forearms involves your arms and shoulders positively in the exercise. It is an effective move that builds and strengthens your whole body including shoulders, triceps, arms, chest, back, spine, lower back, core abdominal muscles, thighs, legs, hamstrings, shins and ankles. Forearm exercise tones and strengthens your upper and lower arms via giving a particular stress to forearms.