VISVESVARAYA TECHNOLOGICAL UNIVERSITY BELGAUM – 590010 [pic] A SEMINAR REPORT ON “AIR MUSCLES” BACHELOR OF ENGINEERING In Mechanical Engineering By STUDENT NAME USN: UNDER THE GUIDENCE OF Mr. Harsha M.Tech Assistant Professor‚ Department of Mechanical Engg Mr. AMARANATH
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Discuss the relationship between distribution of muscle fibre type and performance. How might exercise training modify or change a person’s fibre-type distribution? There are four different types of muscle fibres: type 1‚ type 2a‚ type 2x‚ and type 2c. “A single skeletal muscle contains fibres having different speeds of shortening and ability to generate maximal force: type 1 (slow-twitch) fibres and type 2 (fast-twitch) fibres. Type 1 fies take approximately 110 ms to reach peak tension when
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The Muscular System: Skeletal Muscle Tissue 1. Fill in the characteristics of the three muscle types: |Muscle Type |Cardiac |Skeletal |Smooth | |Shape of cell |Branching Cell |Elongated Cell |Spindle Shaped Cell | |# of nuclei |Single Central Nucleus |Multiple Peripheral Nuclei |Single Central Nucleus | |Striations |Visible
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your scantron. 1. A motor unit refers to a. a single muscle fiber plus all of the motor neurons that innervate it b. all of the motor neurons supplying a single muscle c. *a single motor neuron plus all the muscle fibers it innervates d. a pair of antagonistic muscles e. all of the muscles that affect the movement of any given joint 2. Which of the following is NOT associated with the thin filaments in skeletal muscle: a. tropomyosin b. *titin c. actin d. troponin
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Q1 Muscle contraction can be understood as the consequence of a process of transmission of action potentials from one neuron to another. A chemical called acetylcholine is the neurotransmitter released from the presynaptic neuron. As the postsynaptic cells on the muscle cell membrane receive the acetylcholine‚ the channels for the cations sodium and potassium are opened. These cations produce a net depolarization of the cell membrane and this electrical signal travels along the muscle fibers. Through
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1.1 Glutamine: muscle metabolism Skeletal muscle is the major tissue responsible for glutamine synthesis in the body [9‚10]. In this context‚ glutamine anabolic effects in the skeletal muscle not only preserve lean mass‚ but also maintain plasma glutamine concentration in the body. Glutamine provides energy substrate to cells with a high turnover‚ nucleic acid precursors to cells of the immune system and is involved in the maintenance of acid-base balance [9‚ 11‚ 12]. The key enzymes in the metabolism
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Epimysium- covers the entire muscle Perimysium- covers..? Endomysium- covers the individual muscle fibers Sarcomere- smallest contractile element of muscle fiber‚ extends from z-line to z-line Myofilament- responsible for contraction Striated- the color variations on the muscle fiber. Has to do with the amount of protein and the way it reflects light. Myosin- globular protein Bulb like heads come in contact with the active sites on actin Active sites are not exposed when in the resting position
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Bones in our body are living tissue. They have their own blood vessels and are made of living cells‚ which help them to grow and to repair themselves. Every single person has a skeleton made up of many bones. These bones give your body structure‚ let you move in many ways‚ protect your internal organs‚ and more. As well‚ proteins‚ minerals and vitamins make up the bone. Bones have several parts‚ but are manily made out of calcium deposits. It takes around 20 years for our bones to completely
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You too can have a healthy skeletal system‚ even in old age Announcer: I just came from the doctor and I am definitely going to start hiking once a week‚ and am going to bump up my exercise routine to three times a week. I also need to get to the grocery store to buy some calcium-rich foods. Radio Personality: You know‚ I am so sick of my doctor telling me what to eat and when to exercise. I am naturally in good shape and can eat whatever I want and still have a great physique. Announcer:
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The Skeletal System:Bone Tissue 1* Dynamic and ever-changing throughout life 2* Skeleton composed of many different tissues 3* Cartilage bone‚ tissue‚ epithelium‚ nerve‚ blood forming tissue‚ adipose‚ and dense connective tissue Functions of Bone 1* Supporting & protecting soft tissues 2* Attachment site for muscles making movement possible 3* Storage of the minerals‚ calcium& phosphate -- mineral homeostasis 4* Blood cell production occurs in red bone marrow (hemopoiesis) 5* Energy
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