PPT-(8) Energy systems in muscle cells

A Creatine Phosphate Energy systems in muscle cells C Types of skeletal muscle fibres B Lactic Acid Metabolism a Energy systems in muscle cells State what creatine phosphate is and the cells which use it. What is Muscle Tissue?. Composed of cells that are highly specialized to shorten in length by contractility.. Made up of cells that are called . myocytes. .. Elongated in one direction (muscle . fibres. Muscle Tissue Characteristics. Contractile. Made of contractile proteins. Cells are called fibers. Skeletal Muscle. 40% of body weight. Under voluntary control; attached to skeleton. Striated, or banded, appear. Work done by a muscle. Differential work. Work along a path. Special case: F and v are collinear. Reaction forces and velocities at a joint.. Mechanical power (rate of mechanical energy transfer) equals dot product of force and velocity.. A. Connective Tissue General Characteristics. 1. . Connective tissues:. a. Bind. . b. Support. . c. Protect. . d. serve . as frameworks. . e. fill . spaces. . f. store . fat. . g. produce . Chapter 6. Time for a Movie.  . Discovery . Channel . Pushing the Limits: Muscle Fibers.  . 10:39: Describe skeletal muscle fibers (muscle cells)..  . 11:21 How many skeletal muscle fibers do we normally use at any one time?. Hierarchy of the Body. Smallest unit = atom. . Grouped atoms = molecules. Multiple molecules = organelles. Organelles = system of cells. Cell cluster = tissues/organs. Organ systems = organism . Organ System. Contractile. Made of contractile proteins. Cells are called fibers. Skeletal Muscle. 40% of body weight. Under voluntary control; attached to skeleton. Striated, or banded, appear. ance. Cells have multiple nuclei. When you are beginning to practice progressive muscle relaxation exercises keep in mind the folloing points Physical injuries If you have any injuries or a history of physical problems that may caus Overview: Diverse Forms, Common Challenges. Anatomy. :. . study of . biological . form. of . organism. Physiology. : . study of . biological . functions. . organism performs . Comparative . study of animals reveals . A. Traditional Bergstrom Needle B. UCH Needle (modified Bergstrom) Bergstrom and UCH needles: Dixons, a surgical instrument manufacturer in the http://www.dixons-uk.com/index.asp Bergstrom needles on papillary muscle by scanning electron microscopy,MATERIAL AND METHODSus scrofain 4% buffered formaldehyde and dissected to expose theleft ventricle cavity. It was excised 24 papillary muscles withfor ERNST TAMM”, CASSANDRA FLOGEL,ANGELlKA BAUR AND ELKE LtiJTJEN-DRECOLL Department of Anatomy, Lehrstuhl II, University of Erlangen-Niirnberg, Krankenhausstr. 9, 8520 Erlangen, Germany (Received Safetyfactortime (ms)membrane potential (mV)40200-20-40-60-80-90020406080100120140Safety factortime (ms)membrane potential (mV)NormalMyasthenia gravisNo contractionThe decrease in the number of availa The muscular . tissue consists . of all the muscles of the body. These make up . almost 42. % of total body weight, and are composed of . long cells . known as fibers. The fibers are different lengths and vary in color from white to deep red.