begins to feel uncomfortable sensations in their now missing limb. This feeling‚ referred to as "phantom pain" or "stump hallucination"‚ is a frustrating sensation to an amputee. For some amputees‚ these phantom sensations may be no more than painless distractions of pressure‚ warmth‚ and cold that do not interfere with their everyday lives. Some patients have even reported having phantom pleasures; an "orgasmic" feeling in a missing limb. For the majority of amputees‚ about 50% to 80% (Sherman)
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Upper motor neurons and lower motor neurons act to carry nerve impulses from the brain out to the muscles in the body. Upper motor neurons supply input to the lower motor neurons. They do this by either synapsing directly to lower motor neurons‚ or by synapsing with a local circuit neuron‚ which then synapses with a lower motor neuron. The upper motor neurons originate in the motor region of the cerebral cortex or brainstem. The neurons from the cerebral cortex are important for planning‚ initiating
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The Upper Berth (1894) F. Marion Crawford SOMEBODY asked for the cigars. We had talked long‚ and the conversation as beginning to languish; the tobacco smoke had got into the heavy curtains‚ he wine had got into those brains which were liable to become heavy‚ and it was already perfectly evident that‚ unless somebody did something to rouse our oppressed spirits‚ the meeting would soon come to its natural conclusion‚ and we‚ the guests‚ would speedily go home to bed‚ and most certainly to sleep
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The Upper Paleolithic was a period of great transition in the world. This was the height of technical sophistication during the Old Stone Age. The Neanderthals in Europe became edged out and disappeared by 33‚000 years ago‚ and modern humans began to have the world to themselves. Naturally‚ this will lead to what many have called a time of “creative explosion”. In the Upper Paleolithic‚ culture emerged as a stronger force than biology. Humans no longer needed to use their physical strength; tools
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kidshealth.org/kid/htbw/muscles.html 1. What are some examples of functions of your muscles? Lifting things 2. What are muscles made of? Elastic tissue 3. What are the 3 types of muscles? Smooth cardiac and skeletal 4. What is the difference between voluntary and involuntary control of muscles? Involuntary you have control and voluntary it does it for you 5. What are smooth muscles? Where are they found? What do they do in these areas? Are they under voluntary or involuntary
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care and responsibilities of Physician Assistants’ expands‚ so does the range of medical conditions to diagnose and treat grow. One medical condition that has become more prevalent in the past decade due to the wars in Afghanistan and Iraq is Phantom Limb Pain (PLP). With reported rates of PLP in 50% to 85% of amputees (Weeks‚ Anderson-Barnes‚ & Tsao‚ 2010‚ p. 278) and over 900 amputees as a result alone from the conflicts in Iraq and Afghanistan (Weeks et al.‚ 2010‚ p. 284)‚ the need for understanding
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A CASE OF LIMB-GIRDLE MUSCULAR DYSTROPHY FOR TOTAL THYROIDECTOMY: ANAESTHETIC MANAGEMENT INTRODUCTION Limb-girdle muscular dystrophy (LGMD) refers to a genetically heterogeneous group of muscular dystrophies that present with weakness mainly involving the shoulder and hip girdles.1 LGMD has a predominantly proximal distribution of weakness which early in the course of the disease spares distal‚ facial‚ & extra ocular muscles. Most childhood onset cases have a pelvifemoral distribution
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Anatomy and Organization of Skeletal Muscle Skeletal Muscle Cells and Their Packaging into Muscles 1. Use the items in the key to correctly identify the structures described below. g; perimysium c; fascicle Key: a. b. c. endomysium epimysium fascicle fiber myofibril myofilament perimysium sarcolemma sarcomere sarcoplasm tendon 1. 2. 3. 4. 5. 6. 7. connective tissue ensheathing a bundle of muscle cells bundle of muscle cells contractile unit of muscle i; sarcomere d; fiber a; endomysium
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Muscle and Nerve Preparation Preparation of Ringer ’s solution Dissolve 6.5 g of sodium chloride (NaCl)‚ 0.14 g of potassium chloride (KCl)‚ and 0.20 g of sodium bicarbonate (NaHCO3) in 800 mL of distilled water. Also‚ dissolve 0.16 g of hydrated calcium chloride (CaCl2.2H2O) and 0.39 g of hydrated magnesium sulfate (MgSO4.7H2O) in 100 mL of distilled water. Add the 100 mL cautiously to the 800 mL‚ stirring vigorously. Then make the final volume equal to 1 liter by adding more distilled water
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Introduction to prosthetic limbs One clear example of the great technological development in terms of improvement of people’s everyday lifestyle is the creation and betterment of prosthetic limbs. Over the recent years there have been constant advancements in artificial limbs‚ such as the usage of new plastics and materials during the process of creation‚ the invention of better sockets and interfaces‚ which allow the patients to get used to the prosthesis more quickly‚ the development of more realistic
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