Muscle Change in People Anatomy and Physiology Professor Debra Low Discussion Board Stephanie Quinn March11‚ 2013 Which lower extremity muscles are utilized during standing and walking? They are your Quadriceps they are the biggest muscles by far they are at the front of the thighs. They raise the thigh and leg. Then there are the Hamstrings these form the back of the thighs and move the leg backward. The Buttocks powerful and bulky complete the backward movement of the step. Stomach muscles
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Anatomy of Muscle Cells There are three types of muscle tissue in the human body. These muscle tissues are skeletal muscles‚ smooth muscles and cardiac muscles. Each of these muscle tissues has it very own anatomical makeup‚ which vary from muscle to muscle. The muscle cells in a muscle are referred to as muscle fibers‚ these fibers are skeletal muscle fibers‚ smooth muscle fibers and cardiac muscle fibers. The anatomy of a skeletal muscle fiber is formed during embryonic development
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The drug “dinitrophenol” (DNP) was prescribed by some physicians in the 1940’s to help patients lose weight. This unsafe method was abandoned after a few patients died. DNP uncouples the chemiosmotic machinery by making the lipid bilayer of the inner mitochondrial membrane leaky to H+. Explain how this could cause weight loss. In chemiosmosis‚ NADH are passed along the electron transport chain‚ with energy used to pump protons across the inner mitochondrial membrane. As the protons are transferred
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Great job once again on answering the question about how muscle action relates to the movement. I think maybe I took it to the extreme‚ I went on about agonist‚ synergist‚ and antagonist muscles. I wasn ’t sure if I should add the levers too. It appears as though you explained every type of muscle movement and gave an example of each. I went into flexion at the elbow and discussed that the agonist is the main muscle mover‚ the antagonist does the opposite‚ and the synergist is the helper. However
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extension is the movement of straightening the leg at the knee joint. The major muscle involved in knee extension is the Quadriceps femoris‚ which is a group of four muscles. These four separate muscles of the Quadriceps femoris are the Vastus lateralis‚ Vastus medialis‚ Vastus intermedius‚ and Rectus femoris. These muscles‚ along with synergists‚ work together to perform knee extension for a vertical jump. Each of the muscles of the Quadriceps femoris have different origins‚ however they all share a
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------------------------ --GENERALIZED VERTEBRATE MUSCULATURE AS EXEMPLFIED BY THE DOGFISH The musculature of the dogfish is considered under the heads of somatic‚ fin‚ branchial and hypocranchial musculature. I.PARIETAL or SOMATIC MUSCLES The Parietal muscles which completely covers the whole body of dogfish consists of: 1. Myotomes - zigzag series which is separated from one another by: 2. Myosepta - white connective partitions 3. Lateral septum - white longitudinal line in the middle part
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Measuring the rate of cellular respiration in yeast within different types of sugar Aim/Reasearch Question: How can the rate of cellular respiration be measured to find out if sucrose‚ dextrose‚ lactose‚ or maltose lets the yeast to respire more than others. Hypothesis: I think‚ dextrose yeast solution will respire the most number of bubbles because it is the simplest sugar to break. Materials: * Knut * Dropper * Graduated cylinder (100ml) * Warm water * Yeast Solution
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"seeing-doing" because your muscles seem to "know" and "remember" just what to do. What you’re learning now is speed‚ i.e. how to perform the task carefully and quickly. That’s muscle memory. Scientists call this "kinesthetic memory" or "neuro-muscular facilitation" and they speak of "sensory-motor" learning‚ since you are combining sensing input‚ i.e. what you see with your eyes‚ with motor output‚ i.e. what you do with your body. Of course‚ during the "drill-and-practice"‚ your muscles aren’t really memorizing
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The White Man’s Muscles In today’s society‚ the naked white male body is found everywhere. It can be seen in print ads‚ including clothing catalogues‚ TV commercials‚ and especially in movies‚ yet the prevalence of the naked white male body is something that has only been embraced since the 1980s. Prior to the 1980s‚ half naked white males were hardly ever seen in popular film because of the negative effects it would have on male self-esteem and masculinity. People in our generation
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Prior to injecting the neurotoxin‚ Tubocurare‚ inside the gastrocnemius muscle‚ a control was established. The baseline was maintained approximately at 20 grams. The control used the maximum voltage of 0.75 volts for the stimulus input. As a result‚ the tension produced 68.13 grams of force. The moment Tubocurare was infused into the gastrocnemius muscle‚ the muscle tension dropped to 47.7 grams of force. Data was recorded for 10 minutes‚ and as predicted prior to the experiment‚ the tension trend
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