Guys love chest day, but as trainer Jeff Cavaliere, C.S.C.S., points out, if you're not fully stretching the chest, you might ...

Jeff Cavaliere shared his perfect science-based shoulder workout, consisting of two parts and multiple exercises for each part of the muscle ...

The good news is that Jeff Cavaliere of Athlean-X has a solution to our desk-based woes with 5 moves ... then you need to do these 5 stretches to instantly undo sitting and feel amazing in the process ...