BIOL 221L Lecture Notes - Lecture 2: Appendicular Skeleton, Olecranon, Olecranon Fossa
27 Jan 2017
School
Department
Course
Professor
Document Summary
* how to distinguish right side from left side (except fibula)! Pectoral girdle: attaches upper limbs to trunk, provides attachment for many muscles, clavicles or collarbones: Sternal end attaches to the manubrium (sternum) Acromonion articulates with the clavicle, edge of shoulder. Caracoid process is an attachment point for the biceps muscle. Capitulum rounded knob that articulates with the head of the radius rolls. Coronoid fossa anterior depression that receives the coronoid process of the ulna when arm is bent. Olecranon fossa posterior depression that receives the olecranon of the ulna when the arm is straight. Medial and lateral epicondyles medial has ulnar nerve (funny bone) inner elbow. Radius located on the thumb side of the arm (forms a x with ulna when hand points posteriorly. Connected to the ulna by the interosseous membrane. Head shaped like a spool of thread to facilitate rotation. Styloid process articulates with the wrist (inner wrist bone)
