Learn all about the anatomy of the posterior axio-appendicular muscles with this video. Muscle attachments, their nerve supply and functions- all given in the same place! 0.01 introduction 0.15 superficial group 0.21 trapezius 1.05 latissimus dorsi 1.35 attachments, nerve supply and functions of superficial muscles 4.06 deep group of muscles 4.14 rhomboid muscles 4.53 levator scapulae 5.05 attachments, nerve supply and functions of deep muscles