This standing arm workout doesn't have any repeats (i.e. all exercises are different), uses only two dumbbells and can be done in just over 10 minutes ... uses a 10lb (4.5kg) pair – but feel ...
especially as the triceps make up two-thirds of the size of your arm. This five-move workout from Fitness Trainer, Joe Bronston, targets both, and all you’ll need is 30 minutes and some dumbbells.