Slide 1 Slide 2  Approximately 40% of your body weight  Approximately 650 muscles  Muscles only pull (they can’t push)  You have over 30 facial muscles …

Slide 1Essentials of Anatomy & Physiology, 4th Edition Martini / Bartholomew PowerPoint ® Lecture Outlines prepared by Alan Magid, Duke University The Muscular System…

Slide 1 The Muscular System 1 Slide 2 Muscles are responsible for all types of body movement Three basic muscle types are found in the body –Skeletal muscle –Cardiac…

Slide 1 MUSCLES Slide 2 40-45 % of body mass only system converting chemical energy into mechanical 2 types -skeletal (striated) -smooth Slide 3 Structural unit - muscle…

Slide 1 1 The Muscular System Slide 2 2 Objectives: List and describe the major functions of the muscular system Describe the structure of a skeletal muscle at the macroscopic…

Slide 1 1 MUSCLES AND HOW THEY MOVE chapter Slide 2 Learning Objectives  Learn the basic components of skeletal muscle, the muscle fiber, and the myofibril.  Note the…

Slide 1 January 9, 2015  Journal: Name three muscles that can be found in your leg. Slide 2 Muscle Anatomy Slide 3 Macroscopic Anatomy - Tendons connect the muscles to…

Slide 1 ELAINE N. MARIEB EIGHTH EDITION 6 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by Jerry L.…

Slide 1 Excitation–Contraction Coupling Action potential reaches a triad: Action potential reaches a triad: –releasing Ca 2+ –triggering contraction Requires myosin…

Slide 1 Muscle Contraction The role of skeletal muscle is to aid in movement and maintain posture. In order to do this it must contract.  Twitch: a brief mechanical contraction…