Three types of muscle

Three types of muscle - * insertion- mobile end of...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
The Muscular System Three types of muscle * Skeletal muscle- attaches to and moves bone * is striated * is voluntary * Smooth muscle- located in the walls of internal structures * non-striated * Involuntary * Cardiac muscle Functions of Muscle Tissue * Motion * Movement of substances within the body * Stabilizing body position and regulating organ volume * maintaining posture * maintaining food storage in stomach * Heat production * muscle contraction generates 85% of the body’s heat Characteristics of Muscle Tissue * Excitability- receive and respond to stimuli * Contractility- ability to shorten and thicken * Extensibility- ability to stretch * Elasticity- ability to return to its original shape after contraction or extension General Anatomy of Skeletal Muscle * origin - stationary end of muscle attachement
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: * insertion- mobile end of attachment * belly- thicker middle region Structure of Skeletal Muscle Connective tissue components * fascia- sheets or bands of fibrous c.t. around organs, muscle and beneath the skin * superficial fascia (subcutaneous layer)- composed of areolar c.t. and adiose tissue and is located under the skin * deep fascia-composed of dense, irregular c.t. that holds muscles together and from which the various subdivisions of muscle c.t. are derived Production of ATP in Muscle Fibers * Muscles have three ways to produce ATP * from creatine phosphate-unique to muscle tissue * anaerobic cellular respiration using glycogen * aerobic cellular respiration using glycogen, fatty acids, and amino acids...
View Full Document

This note was uploaded on 01/30/2012 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

Ask a homework question - tutors are online