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.

Don't have long to train? A fitness coach says this workout delivers plenty of bang for your buck ...

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. And, it's quite fun, too! You might think ...

Place the kettlebell on an exercise mat (and be sure to use one if you have a hard floor surface), then adopt a high plank ...

This scorcer recreates a signature Barry's workout at ... fully extend one arm to touch opposite foot, keeping core engaged. Alternate sides for 30 sec. FINISHER AMRAP x 4 min.