PHYSIOEX 9‚ ACTIVITY #3 Review Questions ACTIVITY #1 1. Explain why increasing extracellular K+ reduces the net diffusion of K+ out the neuron through the K+ leak channels? 2. Explain why increasing extracellular K+ causes the membrane potential to change to a less negative value. How well did the results compare with your predictions? 3. Explain why a change in extracellular Na+ did not significantly alter the membrane potential in the resting neuron? 4. Discuss the relative permeability
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the 70 ’s known as Muscle Dysmorphia (Mosley‚ 2009). It is defined as a continue obsession with muscularity (Olivardia‚ 2001). The majority of people that suffer from this disorder are bodybuilders – this was dominated by men but recently more women are practicing this kind of body shaping. Therefore‚ there were many athletes that developed the symptoms of Muscle Dismorphia that has been increasing (Leone‚ Sedory & Gray‚ 2005). Like every eating and body image disorder‚ Muscle Dysmorphia has several
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that is to gain lean muscle mass. To go about this‚ you need three aspects and goals to resound in harmony in order to successfully achieve your body composition goals. A proper diet to put on muscle and lose fat‚ a vigorous and consistent training regimen‚ proper rest‚ and most importantly a disciplined mindset towards pushing the limits of the body are necessary for building lean muscle mass. First and foremost; the diet is absolutely essential to building lean muscle mass. Possibly the most
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Muscle exercised Pectorals‚ triceps‚ biceps and deltoids. These muscles are located in your shoulders‚ arms and thorax. Method Lie down on the bench‚ make sure your comfortable as you do not want to be adjusting during reps. Grip barbell roughly 8 inches apart‚ again make sure your grip is secure and comfortable. Lower the bar slowly and smoothly directly over your chest and in the same rhythm up to the top again. Try to remain smooth in your transaction from the down to the up as if you are
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There have been reported quite a lot of cases in which muscle building programs have led to serious side effects‚ causing people who followed these programs to end up in the hospital with severe health problems. However one can not have problems only by following a normal muscle building program. That is if one follows the strict rules these programs imply. One of the most common side effects when trying to build muscle is overtraining. People don’t seem to understand that these programs are serious
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disorders‚ like muscle dysmorphia (MD)‚ have begun to emerge. Situations that can increase ones risk of developing muscle dysmorphia include environments where physical appearance is of great importance and a childhood history of being bullied. This leads to negative characteristics such as low self-esteem‚ masculinity/femininity issues‚ and harmful eating behaviors (). Muscle dysmorphia (MD)‚ often called “bigorexia”‚ is a disorder in which individuals exhibit a compulsive fixation on muscle development
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Dilemma‚ What to Eat or What to not for Muscle Mass? It is difficult for most of the body builders to control their died when they are following a muscle building diet. The reason behind this is that think if they will eat a lot‚ this will magically contribute in bulking up. They may be right up to a certain degree but they are unaware that weight gain means adding fat also. This is not a healthy way of increasing muscle mass. The best way is to follow a muscle gain diet‚ which is according to your
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to challenge all of the muscle groups in the body. This can only be done with multiple levels of resistance (tension). The fact is that each of your muscle groups is a different size and a different strength. Your thighs are stronger than your arms‚ your back is stronger than your shoulders etc… If you use one level of resistance for all of your muscles some will be challenged and some will not. Why is it so important to challenge you muscles? When you challenge a muscle (place it under new stresses)
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Chemistry: It is the science concerned with the atomic composition of substances‚ elements and their interactions‚ and the formation‚ decomposition and properties of molecules. -Biological chemistry or Biochemistry is the biological or physiological chemistry of living organisms and of the chemical changes occurring therein. Structure of Matter: All living and nonliving things are composed of matter. Matter; is anything that occupies space and has mass. Mass is the amount of matter in an object
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Lab 6 Biomechanics of Frog Skeletal Muscle I. Purpose This exercise is designed to demonstrate some mechanical and physiological properties of skeletal muscle using the gastrocnemius muscle of a frog. II. Performance Objectives At the end of this exercise the student should be able to: 1. Define minimal (threshold)‚ subminimal‚ maximal‚ and supramaximal stimulus. 2. Explain what is meant by a “graded” response. 3. Draw a diagram of the setup used in this lab exercise. 4. Calculate the
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