PPT-Muscle Contraction and the Sliding Filament Theory

Learning Objective To be able to explain the sliding filament theory using appropriate terminology Structure of a Muscle Skeletal muscle is made up of bundles of muscle fibres Fibres are bound together by connective tissue through which run blood vessels and nerves. 2 Structural design actions Wind action Region B FRAME SIZE OPENING STUD 1510mm 1560mm 1810mm 1860mm 2110mm 2160mm 2410mm 2460mm SF2115 SF2118 SF2121 SF2124 2710mm 2760mm SF2127 SF2427 SF2415 SF2418 SF2421 SF2424 2130mm 2100mm 2430mm 2400mm FSF2122 Fast or Slow?. Skeletal muscles contain two main types of fibers, which differ in the primary mechanisms they use to produce ATP, the type of motor neuron innervation, and the type of myosin heavy chain expressed. The proportions of each type of fiber varies from muscle to muscle, from animal to animal, and from person to person.. ANSC 3404. Objectives. : Study the structures of muscle and the mechanism of muscle contraction.. . SKELETAL. . SMOOTH. . CARDIAC. METHOD OF CONTROL VOLUNTARY INVOLUNTARY . INVOLUNTARY. BANDING PATTERN STRIATED NON-STRIATED STRIATED. Mike Clark, M.D.. Review Principles of Muscle Mechanics. Same principles apply to contraction of a single fiber and a whole muscle. Contraction produces tension, the force exerted on the load or object to be moved. Learning Objective:. To . be able to explain the sliding filament theory . using key . terminology.. Structure of a Muscle. Skeletal muscle is made up of bundles of muscle . fibres. .. Fibres. are bound together by connective tissue through which run blood vessels and nerves.. . & . Reflexes, . Proprioception. and Movement. PSK 4U Unit 4, Day 4. Excitation. -. Contraction . Coupling. Muscles work by converting electrical and chemical energy into mechanical energy!. The process of muscle contraction as a whole is often referred to as “excitation-contraction coupling”. Types of Muscle Tissue . (cont.). Muscle Group. Major Location. Major . Function. Mode of Control. Skeletal Muscle. Attached to bones and skin of the face. Produces body movements and facial expressions. Figure 6.8. Contraction of a Skeletal Muscle. Muscle fiber contraction is “all or none”. Within a skeletal muscle, not all fibers may be stimulated during the same interval. Different combinations of muscle fiber contractions may give differing responses. At the heart of muscle function. Larry M. . Frolich. , Ph.D.. March 17,2011. HOOK. Muscle is only biological cell/tissue that can cause rapid, large-scale . movement—THE evolutionary innovation that defines . pull. , not . push. . And it needs certain parts to do this.. Microscopic anatomy of muscle. The bits and pieces. Sarcolemma. – plasma membrane of a muscle cell. Myofibrils. – long ribbon-like organelles that take up the majority of the space in a muscle cell. Muscle Contraction and the Sliding Filament Theory Learning Objective: To be able to explain the sliding filament theory using key terminology. Structure of a Muscle Skeletal muscle is made up of bundles of muscle The Muscular System. Muscles are responsible for all types of body movement. Three basic muscle types are found in the body. Skeletal muscle. Cardiac muscle. Smooth muscle. Characteristics of Muscles. Dr. Tamara . Alqudah. Aim of the experiment. Learn some of the characteristics of skeletal muscle contraction. Simple muscle twitch. Summation . Tetanization. Fatigue. Treppe. phenomenon. Muscle twitch. October . 24 - 25 2017. Muscle . Structure. Muscle. Fascicle (bundle of fibers). Muscle . Fiber (single cell). Myofibril (organelle). Sarcomere (unit of contraction). Microscopic Anatomy of Skeletal Muscle.