Plank Row Know how I kinda harp on: Posterior Chain You can never have enough Ass, Abs and Upper Back Lats are core Today we're going to beat #3 to death, again... Lats Are Core   First things first, the "lats" cover a HUGE swath of the body: "Latissimus dorsi is a unique muscle in terms of its anatomical design. It is a relatively thin, fan-shaped muscle, and is one of the largest in the body in surface area, covering a significant portion of the back. It assumes widespread medial attachments to the spinous processes of the lower six thoracic vertebrae, lumbar vertebrae, and sacrum, as well as to the ilium via the thoracolumbar … [Read more...]