The main workout features three full-body circuits, each with five intervals, which you’ll complete twice. You’ll work for 40 ...

The science on whether to do cardio before or after weights is inconclusive -- it all depends on your goal: overall health, ...

Trainer insight: "Lunges strengthen the legs, glutes and core to build strength and improve balance and stability," says ...

Sklar has shared demonstrations of her performing each move over on her Instagram, which you can view below. All you need to ...

In other words, it’s the effort that counts, not what you are lifting. As you get stronger, the exercises you’re doing will ...