Anatomy and Cell Biology 3319 Lecture Notes - Lecture 19: Medial Palpebral Ligament, Tongue, Extensor Digitorum Muscle
2 Aug 2019
School
Department
Professor
Document Summary
To the muscular system ; muscles of the head ( facial expression , mastication t tou n get. Muscle in body w/ shape + size related to their action 1 location i shape 1 long + shorten along length when perform action in bundles info ab attach fnc cells are relative size attachment. Muscles origin + insertion point of action galea prime mover agonist performs main action antagonist opposes main action synergist helper muscles. Wide origin w/ convergence of all fibres ; many directions t actions (cid:8869) pectoralis major. Fusiform - wide belly t tapered @ each end (cid:8869) biceps branch ii. Multi pennate - multiple bi pennate convergence @ one point (cid:8869) deltoid. Bi pennate - pair of feather - like muscles (cid:8869) rectus femoris. Uni pennate - pennate - feather so feather - like (cid:8869) extensor digitorum longus. Muscle attach em ents: origin proximal w/ in limbs.
