"The dumbbell should be heavy enough that doing more than 10 reps would be too fatiguing," Williams explains in her caption.

20 different resistance levels ensure that you’re always going to get a fantastic workout, regardless of your skillset and strength. The bottom line is that the Bowflex Max Trainer M9 is a ...

BowFlex and more. We've listed tons of different options to choose from, including exercise bikes with smart features that allow you to participate in live classes or access on-demand workouts and ...