Anonymous ID: 763991 April 16, 2018, 10:15 a.m. No.1066076   🗄️.is 🔗kun

>>1066006

Actually, it'd be more like the Erector Spinae muscle group. The Lats are a large sheet that attach with the Quadratus Lumborum at the base of the spine and then attach on the spine, shoulder and arm. It's shaped more like a triangle.