ANAT 215 Lecture Notes - Lecture 19: Ulnar Artery, Median Nerve, Ulna

• School: Queen's University
• Department: Anatomy and Cell Biology
• Course: ANAT 215
• Professor: Leslie W Mac Kenzie

Document Summary

Upper limb muscles (reading materials: chapter 11: pages 291-305, 324-327; chapter 22: pages 582, 595-596) Note: to understand the primary function of a muscle you need to understand where the muscle is coming from (origin) and where it is going to (insertion). Muscles that attach the pectoral girdle to the axial skeleton (these muscles also move the scapula): muscles have to connect to the body. Pectoralis minor: originates from ribs 3, 4, and 5, going to the coracoid of the scapula. When contracting, pulls the scapula down and onto the ribcage. Serratus anterior: muscles, indicating that it has a serrated origin. Follow the rib cage all the way to the back, inserting onto the medial border of the anterior surface of the scapula. When contracting, causes the scapula to protract: posterior: f. Originate from the occipital bone of skull down the spine to the.