BeFiT 201: 5 min Abs Plank Challenge | Intermediate - Courtney Prather

5 min Abs Plank Challenge | Intermediate with Courtney Prather is a core-strengthening abdominal workout using specially formulated plank variations and other abdominal floor exercises to burn fat, shrink the waistline, and tone the core for lean 6-pack abs. Turn up the burn as you work every major muscle in the abs to blast belly fat and uncover ripped definition in just five minutes.