Suitable for developing size and strength; Forearm and Grip Training Tips. 1. If that’s the case, maybe it’s time to “get a grip” on strengthening your forearms. Forearm Exercises: Avoid skinny arms with these muscle-building moves to develop real grip strength and a more symmetrical physique. We’ve rounded up some of the most effective exercises to improve grip strength and help develop bigger forearms. Use fat bars and thick grips. Fat bars and grips turn almost any upper body pulling exercise into a forearm exercise. Get the most from your forearm-building workouts with these useful hacks and tips. 6 of the Best Exercises to Add to Your Forearm Workouts. In this article, I’ll go over the benefits of having a strong grip, how to use a hand grip strengthener, what the results should look like, a free workout for your hand strength, and review our top picks for hand grip strengtheners. “Any exercise that involves gripping and more specifically pulling, is going to place huge demands on the flexors of the fingers and wrists,” Pire adds.