I DON'T EVEN KNOW WHAT HE'S WORKING THERE! looks like some kinda row..
Variations of Barbell Curls: Drag Curl
As the story goes, the late Vince Gironda (a.k.a. "the Iron Guru") used to force everyone at his gym in Studio City, California who wanted larger biceps to try Drag Curls. These are quite a bit different than regular barbell curls; as the name suggests, with Drag Curls you'll be dragging the bar upwards along the front of your torso. You can perform Drag Curls by grasping a barbell with a shoulder-width, overhand grip, as shown in Figure 17.
While allowing your elbows to move behind your sides, lift the bar upwards along your body until you reach the final position shown in Figure 18. As with all forms of standing barbell curls, be sure to keep your back straight and don't heave the weight upward. Also, to keep the emphasis on your biceps, you must avoid raising your elbows or shoulders upwards during the lift!