Workout tips for toned arms If you’re looking to mix up your arm workouts, supersetting is key.Try: Supersetting AntagonisingSupersetting antagonising is the pairing of two opposite muscle groups such as chest and back, triceps and biceps and quads and hamstrings. The science behind this technique is to loosen one muscle while its antagonist contracts. This allows more weight to be used, or additional reps performed.How: Give this little workout a go:a.