"excitability" - 1 õppematerjal

Exercise Physiology - lecture 4 Blood, gas exchange, transport

3rd ed., London: Lippincott, Williams & Wilkins. Wilmore, J.H., Costill, D.L. and Kenney, L.W. (2008) Physiology of sport and exercise. 3rd ed., Champaign, Ill.: Human Kinetics. Muscle (1))  Types of muscle tissue Task (i) identify the 3 types of muscle tissue (ii) give an example of each (iii) try to identify similarities and differences between the 3 types  Properties of muscle tissue contractile ­ ability to shorten forcibly irritability/excitability ­ ability to respond to a stimulus extensibility ­ ability to be stretched beyond resting length (stomach, heart etc. more so then skeletal) elasticity ­ ability to return to resting length  Functions of muscle tissue movement ­ all types posture ­ skeletal stabilizing joints ­ skeletal generating heat ­ skeletal (40% body mass), shivering regulating organ volume ­ smooth (sphincters)  Smooth muscle tissue Location ­ walls of tissues