A CSCS trainer shares 5 one-dumbbell exercises that rebuild total-body muscle faster than gym machines after 60.

An upper-body exercise that hits your shoulders, back, arms and core in one go – while sitting down, with one dumbbell? Sign us up. In a recent Instagram video, strength coach @strengthdebates ...

We might be living in the age of the functional trainee, or even the hybrid athlete, but if Google search data is anything to go by, chasing the pump in pursuit of bigger arms is still very much on ...