mover. EX- Deltoids assist the pectoralis major in bench press MEDIAL- Closer to the midline. LATERAL- Further from the midline. ABDUCTION- movement of a limb away from the center of the body. EX- arms are going out in the scarecrow exercise ADDUCTION- movement of a limb toward the center of the body. EX- coming back from scarecrows ATROPHY- Decrease in the size of the muscle fiber. HYPERTROPHY- Increase in muscle fiber size. CONCENTRIC CONTRACTION- A muscle contraction
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Muscle Soreness Nearly anyone who works out regularly has experienced sore muscles after exercise. Sometimes you will feel it later that night‚ or the next morning and in some cases‚ you may actually think you are out of the woods‚ only to wake up two days later with stiff‚ tender muscles that feel as tight as rubber bands. For some people‚ sore muscles are a reward after a hard workout. In fact‚ some people are not happy unless they are sore after their workout‚ while others could live without
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Purpose: The purpose of this lab was to see how the changes in exercise intensity affect the rate of metabolism within the body. Methods: In this lab‚ indirect calorimetry was used to measure metabolic rate by calculating caloric expenditure by the measurements of oxygen consumption. The variables measured were the fraction of oxygen expired‚ the fraction of carbon dioxide expired‚ and the total volume of air inspired. This experiment required the participation of two volunteers. First‚ the variables
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Energy Systems The ATP – CP system is primarily used for short duration exercises (about ten to twelve seconds) which involve a high intensity or explosive movements. Energy is stored within the chemical bonds between the Adenosine and the three phosphate molecules. Water is added in the chemical reaction‚ causing one of the bonds to break‚ which releases one molecule of energy from the phosphate. This molecule is used for the muscle contraction. The ATP then turns into ADP as it’s lost a phosphate
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consumption plateaus or increases only slightly with additional increases in exercise intensity. Maximal oxygen uptake is also known as maximal oxygen consumption‚ maximal aerobic power‚ aerobic capacity‚ or VO2 max. The maximal oxygen uptake (VO2 max) is a measure of a subject’s ability to take in and utilize oxygen during exercise. A subject with a greater VO2 max value will exhibit greater potential to sustain high intensity exercise for an extended length of time. Theoretically‚ subjects with greater
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VO2 Max Test Objective of the test: To work out how much oxygen can be utilized during an intense exercise test‚ the maximum capacity of oxygen used in the body Background of the test: The aim of this study was to create and evaluate a submaximal cycle ergometry test based on change in heart rate ( HR) between a lower standard work rate and an individually chosen higher work rate. In a mixed population ( n = 143) with regard to sex (55% women)‚ age (21-65 years)‚ and activity status (inactive to
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fluctuate over time. Factors can include things like the temperature of the room we were in‚ or what we ate/ drank for breakfast. Also volume of liquid or chemicals in the cell can impact the heart rate. 2) Is the average resting heart rate for the exercise and non-exercising group different? Provide a physiological explanation for why they are similar or different. In the data that our class collected‚ the average heart rates for the exercising and non-exercising groups are not that much different
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seconds or one explosive moment. The ATP molecule is then unable to provide energy to the working muscles. To continue the muscular movement ‚ the body relies on creatine phosphate (PC) in a secondary reaction. This system is used for short bouts of exercise. Especially those lasting up to 12 seconds. the lactic acid system will continue providing ATP molecules to create required energy. This system produces lactic acid as a waste product in the chemical breakdown of glucose and glycogen (glycolysis)
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HSC Core 2: Factors Affecting Performance Chapter 5: How does training affect performance? Energy systems * alactacid system (ATP/PC) * lactic acid system * aerobic system Energy Systems * The human body requires energy for its organs to function‚ internal processes to take place and to power muscular contractions for movement * Energy in the human body is stored in the chemical bonds that join atoms and is released when needed * The transformation of food‚ chemical
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personal trainer and am completing my degree in Exercise Science at the University of New Mexico. My education and professional background has provided me extensive organizational and managerial experience. For instance‚ in my internship at CitiWorld I helped to established the fitness class program‚ market it‚ and was closely involved in designing the assessment and prescription exercise system now utilized. My Bachelor’s Degree in Exercise Science is a comprehensive education in anatomy‚
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