The best... BARBELL ARMS WORKOUT
If you want shirt-filling forearms but don’t have long to train, a barbell is your best bet, says Eastham. ‘Barbells tend to be thicker than dumbbells, so they work your forearm and grip much harder,’ he says. ‘They also let you shift more weight.’ Do all the exercises in order as a circuit, with no rest. Then rest for two minutes and repeat four or five times.