The cambered bar bench press uses a barbell with a U-shaped or curved middle section. This design lets you lower the bar deeper than a standard barbell would allow—below chest level—because ...

Using the cambered bar — a bar with a large depression in the center — greatly increases the range of motion compared to a typical barbell bench press. “A cambered bar bench press stimulates ...

In a study published in the Journal of Sports Sciences, researchers found that longer rest periods between reps are optimal to build strength and muscle.