MUSCLE PHYSIOLOGY Exercise 11 Acuesta‚ Patrisha Afalla‚ Antonette Hanns Beo‚ Jellie Ayz Bustamante‚ Jemimah Keziah Soriano‚ Jhon Cris Introduction • Muscle Contraction - the shortening of the muscle as a result of tension generated by muscle fibers; -Regulated by the production of calcium ions‚ stimulated via thermal‚ chemical‚ mechanical‚ and electrical stimuli Objectives BE ABLE TO: 1. Make a muscle-femur preparation; Set up Kymograph; Demonstrate muscular contraction; Differentiate
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Connective Tissue Characteristics of connective tissues • Extracellular matrix separates cells • Most widely variable of tissues • Many varied functions • Common (mesenchyme) origin • Degrees of vascularity Functions • Binding • Suport • Protection • Insulation • Transport Structural Elements • Fibers ⁃ Collagen (white) fibres ⁃ Elastin (yellow) fibers ⁃ Reticular fibers • Ground substance ⁃ Amorphous material fills space between cells and contains fibers
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repetition maximum for 2–6 repetitions (reps) causes myofibrillated hypertrophy to dominate (as in powerlifters‚ olympic lifters and strength athletes)‚ while several repetitions (generally 8 – 12 for bodybuilding or 12 or more for muscular endurance) against a sub-maximal load facilitates mainly sarcoplasmic hypertrophy (professional bodybuilders and endurance athletes).[citation needed] The first measurable effect is an increase in the neural drive stimulating muscle contraction. Within just a few days‚
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THE STATUS OF RESEARCH ON THE REPAIR AND REGENERATION OF NERVOUS TISSUE OF THE CENTRAL NERVOUS STYSTEM The Status of Research On The Repair Of Nervous Tissue Of The Central Nervous System Lekisha Johnson Virginia College At Austin THE STATUS OF RESEARCH ON THE REPAIR AND REGENERATION OF NERVOUS TISSUE OF THE CENTRAL NERVOUS Today‚ most treatments for damage brain or spinal cord aim to relieve symptoms and limit further damage. But recent research into regeneration mechanism
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Overview on Tissue Epithelial Tissue: Epithelial tissue is one of the four major tissue type in the body. It covers the whole surface of our body. The tissue is specialized to form a covering or lining of all internal and external body surfaces. Your skin is composed of epithelial tissue. It also lines your body’s cavities and major organs. If its two or more cells thick such as think skin‚ its known as stratified epithelium. Simple epithelium can be subdivided accordingly to the shape and function
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with muscular dystrophy are especially susceptible to muscle damage‚ Physical Therapists‚ who are skilled in the involvement of skeletal muscle and the effects that skeletal muscle has on joints‚ are Ideal clinicians to care for patients with muscular dystrophy. 2 Physical therapy is most successful when it is began as soon as possible‚ preferably right after receiving a diagnosis. This way the physical therapist can teach skills and begin interventions before severe joint tightness‚ muscle tightness
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Muscular and Flexibility Project (Teen Class) My class participants have a good overall health. Many of them have strong upper body strength and a moderate strength on the legs. They lack a core body and abdominal strength and have very low levels of flexibility. They need the most amount of work in flexibility. Weekly Routine for Flexibility Workout Day Flex Exercises Muscle Stretched Reps Time Reps Time Reps Time Mon Lying Quad Stretch Quads 4 20 4 20 4 25 Mon Modified
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details‚ including instructions for authors and subscription information: http://www.tandfonline.com/loi/whmm20 Managing a Hotel ’s Image on TripAdvisor Peter O ’Connor a a Department of Information Systems and Decision Sciences‚ Essec Business School ‚ Cergy-Pontoise‚ France Published online: 13 Sep 2010. To cite this article: Peter O ’Connor (2010) Managing a Hotel ’s Image on TripAdvisor‚ Journal of Hospitality Marketing & Management‚ 19:7‚ 754-772‚ DOI: 10.1080/19368623.2010.508007 To link to this
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Figure 1 shows the structure of 2MBI‚ 2MBI-Au‚ 2MBI-Pd and 2MBI-Ni before and after structure optimization. The drawn 2MBI is presented in Figure 2a and the optimized structure of 2MBI is illustrated in Figure 2b. The most important lengths and angles of bonds for the optimized structure of 2MBI are reported in Table 1. In the optimized structure of 2MBI component‚ S-H‚ S-C‚ C-N bond lengths and the HSC‚ SCN‚ CNH‚ SCN(H) bond angles were 1.386A°‚ 1.667A°‚ 1.377A°‚ 93.291°‚ 125.921°‚ 126.521°‚ 120
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arrives the muscle fiber‚ AChR clusters are formed in the middle section of a muscle fiber. When the growing nerve cone attaches the muscle fiber‚ Agrin activates Lrp4‚ which then binds to the receptor tyrosine kinase MuSK‚ through this binding MuSK is phosphorylated and starts to form the neural and aneural AChR clustering (Burden 2011). Morphologic differences in the pre- and/or postsynaptic part of the NMJ can be a hint of a certain disease. In the following figure‚ the structure differences between
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