Not all biceps curls were createc equal...👇 The grip you use changes how the muscles work. 1 Reverse Curls - Palms Down These are the hardest variation by far. Your biceps are at their weakest angle, so your brachioradialis and forearm extensors have to step up. These work well to build forearm thickness and grip strength. 2 Hammer Curls - Palms Neutra These are the best all-rounder Splits the load between your biceps and brachialis (the deep muscle that sits underneath vour biceps and actually pushes it up) This is the one that builds arm thickness 3 Reqular Curls -Palms Up These are the classic for a reason. Puts your biceps in its strongest position so it can work to its full potential. The go-to for peak bicep development. hese work well to build forearm thickness and grip strength. 2 Hammer Curls - Palms Neutral These are the best all-rounder Splits the load between vour biceps and brachialis (the deep muscle that sits underneath your biceps and actually pushes it up) This is the one that builds arm thickness 3 Regular Curls-Palms Up These are the classic for a reason. Puts vour biceps in its strongest position so it can work to its full potential. The go-to for peak bicep development. So, if vour bicep workouts only involve regular curls - you're leaving gains on the table. Be sure to incorporate all three of these and watch what happens! #bicepsday #bicepworkout #bicepcurls - @crossfitchallenge