Measured by testing your one rep max (1RM), strength refers to the amount of force your muscles can exert, while hypertrophy is about the size of the muscle tissue. While the two aren't mutually ...

If you tend to breeze through the "easy" part of an exercise – like lowering into a squat or letting your dumbbells drop ...

If you fall into the latter category however, there’s good news — you can build your pecs with a pair of dumbbells instead.