Page 1 of 5 - About 45 Essays
  • Anxiety Observation Report

    Fast oxidative fibers use some aerobic and some anaerobic glycolysis. Fast oxidative fibers need a high amount of myoglobin content. I don’t think it is fast glycolytic because it involves very intense short-term movements that are not employed in the specific exercise of rock climbing. It is definitely not slow oxidative fibers because climbing is too fast paced. The cause of muscle fatigue at this point is not fully understood. Most evidence points to problems in excitation-contraction coupling. During a contraction availability of ATP declines, but most of the time a muscle never completely runs out of ATP. Muscle fatigue could be caused by the terminal cisterna not having enough Ca2+ to continue with the contraction. Another cause of muscle fatigue could be damage to the sarcoplasmic reticulum. When the Sarcoplasmic reticulum becomes damaged, they…

    Words: 923 - Pages: 4
  • Nasal Stripss Case Study

    The myoglobin assists with the transportation of oxygen at aerobic intervals to assist the skeletal and cardiac muscles. Myoglobin is also very effective in assisting the body during the partial pressure points of oxygen at lower intervals. 9. Explain the phases of ventilation during submaximal exercise. There are 3 phases in the ventilation during submaximal exercise. Phase 1- This is the beginning of the exercise. Due to the gas exchange that is occurring, the intensity may cause the…

    Words: 860 - Pages: 4
  • Hemoglobin Research Paper

    respiration. On the other hand, when the hemoglobin returns to the lungs, where the pH is relatively high, its affinity for oxygen increases. As the affinity increases, hemoglobin binds to the surrounding oxygen and it transports it to the tissues where the pH is low (Iwasa, undated). Task 3A2a: Graph that Demonstrates the Relationship between Hemoglobin’s Oxygen Binding and Oxygen Concentration at Different pH Levels. Task 3A3: Comparing the biochemical (protein) structure of hemoglobin to…

    Words: 1396 - Pages: 6
  • Essay On Muscle Fibres

    Muscle fibres. There are three types of muscle fibres; type 1, type 2a and type 2b. A. Type 1: These fibres are slow twitch or slow oxidative fibres and are red due to the presence of large volumes of myoglobin. They contract slowly but can contract repeatedly over long periods. These fibres would be suitable for an athlete such as a marathon runner because this is an endurance sporting event that requires you to use aerobic energy which relies on oxygen from the blood for the supply of energy.…

    Words: 954 - Pages: 4
  • Orcas And Killer Whales

    could carry up to 25 sextiillion molecules of xygen at any time. However, orcas have twice the amount of hemoglobin in their bodies than humans do. Humans blood is 30% hemoglobin, a orcas’ blood is 60% hemoglobin, this feature allows them to store twice as much oxygen for long dives. In addition to more hemoglobin, orcas’ bodies have a higher volume of blood than humans do, in orca’s body blood takes up 10%-20% of a whale’s body volume, while humans only have around 7%. There is also another…

    Words: 1015 - Pages: 5
  • Anaerobic Exercise Analysis

    The deficiency of PDC inhibits the Krebs Cycle and thus limits the amount of oxygen produced. The Krebs Cycle is a complex series of reactions that living organisms use to produce energy. The result of this phenomenon causes certain muscle groups to not be able to reach maximum oxygen consumption after heavy exercise (Bangsbo 2000). Heavy exercise was determined to lower the amount of oxygen saturation in the body during the workout (Binzoni et al. 2010). Oxygen saturation is the volume of…

    Words: 984 - Pages: 4
  • Analysis Of Crossfit: Revolutionizing The Fitness World

    like rope climbs, flipping tires, and kettlebell swings. Members take part in workouts of the day (WODS) which are random and include one or more of the core elements. WODS are quick, usually lasting anywhere from five to 30 minutes, and are scored by either reps completed or time, to add an element of competition. With such a high intensity regimen and the ferocity of the competition, there are many safety concerns. Improper form and technique are major concerns, but also rhabdomyolysis is a…

    Words: 901 - Pages: 4
  • Nitrite In Meat Products

    world. Production of dry cured sausage is an important part of the meat industry. Its production process comprises blending the meat with curing ingredients, flavoring and coloring agents in order to accomplish an acceptable product with respect to sensory and technological properties. Nitrite / nitrate is a key ingredient which is employed in meat products for curing. Nitrite plays the following roles: 1- It contributes the development of typical cured meat flavor, prevention of lipid…

    Words: 759 - Pages: 4
  • Similarities And Differences Between Skeletal, Cardiac, And Smooth Muscle.

    such as the: oesophagus, stomach, bronchi, and blood vessel walls. They are stimulated by involuntary neurogenic impulses consisting of slow steady contractions that assist in controlling internal organs. For instance, during vasoconstriction blood vessels are constricted or as food passes through the esophagus (NIH, 2016). Cardiac muscles are located within the walls of the heart. It is similar to the skeletal muscles being striated and similar to smooth muscles, as its contractions…

    Words: 811 - Pages: 4
  • Cholecystectomy Case Summary

    When blood flow to the heart is blocked by a blockage of a coronary artery, oxygen delivery to the heart muscles is compromised as well. According to Macon and Yu (2012), most common recognized sings of an acute MI are: anxiety, cough, tachycardia, pain in the chest, back, jaw or other areas of the body, and shortness of breath. In our case study, Mrs. S on the postoperative day 2 complained of mid-sternal pain that was radiating to the left side of the body: neck, shoulder and jaw. In addition,…

    Words: 811 - Pages: 4
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