• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Physical Fitness and Plasma Non-Enzymatic - Antioxidant Status at Rest and After a Wingate Test.

Extracts from this document...

Introduction

Physical Fitness and Plasma Non-Enzymatic Antioxidant Status at Rest and After a Wingate Test Seven male physical education students underwent the Wingate test, a 30 sec sprint anaerobic exercise, and their plasma non-enzymatic antioxidant status (plasma uric acid, ascorbic acid, �-carotene, alpha-tocopherol) were tested in order to demonstrate the effect of exercise on oxidated stress evaluated by lipid radical levels. Venous blood samples were taken prior to the warm-up and prior to the Wingate test after completing the warm-up. Venous blood samples were also completed five different times following the Wingate test. Samples were taken immediately after cessation of exercise, at 5 min, 10 min, 20 min, and 40 min increments post exercise. An arterialized capillary blood sample was also collected 3 min after the end of exercise for the determination of maximal blood lactate concentration. The results of the study produced a negative relationship between serum lipid levels with plasma alpha-tocopherol and plasma uric acid concentrations at rest. The resting lipid levels were high when the alpha-tocopherol and plasma uric acid levels were low. The low plasma alpha-tocopherol and uric acid level at rest where associated with a high sprint performance which also produced a negative correlation. ...read more.

Middle

C. Two main limitations or weaknesses of this study include the factors of nutritional status and physical fitness status of the subjects. The nutritional intake of the participants were not monitored or standardized in the weeks prior to the study. The only guideline prescribed in regards to food intake of the subjects was to eat a standardized breakfast which contained 55% carbohydrates, 15% proteins, and 30% lipids 2 hours prior to the start of the test. The resting antioxidant levels found in this study were near the lower limits of the normal range and the individual differences in their diets may have had an influence on the plasma antioxidant status. Further more, the criterion for physical fitness status in this study was that subjects were active (approximately 14h/wk of various sport activity for at least 2 years) but they were not involved in regular athletic training (endurance or sprint). The level of physical fitness may have also influenced the antioxidant status and the individual differences for fitness status may have also been a contributing factor to antioxidant status. D. The major finding of this study demonstrates an association with acute changes in non-enzymatic plasma antioxidant status and 30 sec ergocycle sprinting. ...read more.

Conclusion

The researchers suggested, based on the results of this study along with the existing body of knowledge in this area, that athletes intake of antioxidants play an important role in maintaining plasma antioxidant concentrations within the normal range and protecting against acute or chronic exercise induced oxidative stress. E. Overall, I feel that this study was well constructed, conducted and analyzed as well as bringing novelty to the field of nutrition with research in regards to anaerobic exercise and antioxidant status. If I had to perform this study the features that I would change deal with previously stated limitations or weaknesses of this study. The level of training one possesses has an influence on the plasma antioxidant status. To try and control the level of variability between individuals, I would choose subjects of the elite athlete status in an attempt to create homogeneity among the subject's physical fitness level. Another aspect that I would try to control as a researcher in this study would be the nutritional intake of the participants for several weeks preceding the testing. A highly specific diet would include the caloric intake that the individual were to consume for several weeks with instruction to refrain from any nutritional supplement including vitamins or minerals in order to modify the resting plasma antioxidant status. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Acquiring, Developing & Performance Skill section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Acquiring, Developing & Performance Skill essays

  1. Components of Fitness for Netball.

    It allows me to concentrate better when aiming at the net. Fitness: I work out often so this helps when I play netball as I can run for much longer period of time without tiring. Being fit has increased my speed and strength allowing me to throw a powerful ball

  2. Aim: to plan, perform, monitor and evaluate a 10-week training program for a specific ...

    I felt this would be challenging but enjoyable, as I was more motivated and was enjoying the sessions more. I am playing and I am starting to make fewer mistakes in my passing and shooting skills. I also seem to be more effective under the basket when rebounding.

  1. Why do people take part in physical activity?

    In some sports there are weight categories or weight limits within which the participants must fit. Boxing is one which has been fraught with the problems of participants losing weight to come within a certain weight boundary, and this has sometimes been blamed for the boxers putting in a poor performance- being literally badly beaten or worse!

  2. Self analysis of weaknesses in table tennis - Comparison to elite model 2

    As doing this will allow me to see where I am going wrong as the coach can watch me closely and tell me what to do to improve on the technique. Also it will allow consistency of the serve, as I will continually be playing the shot over and over

  1. Describing and Explaining the Components of Fitness. Fitness and fitness testing

    Other people that less power in legs than arms are boxers, tennis players and weightlifters. The weight proportion of body counts for example a body builder would find it hard because of his/her upper body weight weighing more than lower legs resulting in low scores.

  2. Fitness testing

    Scoring: The athletes score is the level and number of shuttles reached before they were unable to keep up with the recording. Reliability: Reliability would depend on how strictly the test is run, and the practice allowed for the persons.

  1. Personal Exercise Program #2

    In addition the added element of speed and strength will enable me to dominant the breakdown and set pieces in order to obtain or maintain ball for my team. Principles of Training Specificity - In order for my training to have the desired effect I need to train the right energy systems and components of fitness.

  2. Personal exercise plan

    My set aims will include: * Develop cardiorespiratory endurance or VO2 max * Improve upper body and core strength * Increase flexibility * Adjust Body composition * Develop motor skills Before I begin my session I will pre-test the components involved in my Personal exercise plan so I can maintain focus on improvement and adaptability in my sessions.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work