The Best Core Exercise. Period.
1. ▶️ Weighted Single-Arm Plank A simple progression of the single-arm plank is to add weight. In the video, NFL linemen Fernando Velasco and Cordy …
1. ▶️ Weighted Single-Arm Plank A simple progression of the single-arm plank is to add weight. In the video, NFL linemen Fernando Velasco and Cordy …