VCE Physical Education - Unit 3 Chapter 5 Oxygen Uptake, Oxygen Deficit and Oxygen Debit Text Sources 1.Nelson Physical Education VCE Units 3&4: 4 th Edition Malpeli, Horton, Davey and Telford 2006. 2. Live It Up 2: 2 nd Edition Smyth, Brown, Judge, McCallum and Pritchard 2006.
Body Systems Revision Oxygen Uptake, Oxygen Deficit and Oxygen Debit
VCE Physical Education - Unit 3 Body Systems - Respiratory
VCE Physical Education - Unit 3 Body Systems - Circulatory
VCE Physical Education - Unit 3 Body Systems - Muscular
VCE Physical Education - Unit 3 Muscle Structure Overview
Oxygen Uptake Oxygen Uptake, Oxygen Deficit and Oxygen Debit
VCE Physical Education - Unit 3 Delivery of Oxygen to the Working Muscles The respiratory system is responsible for the extraction of oxygen from the atmosphere. This process is called ventilation. Diffusion Exchange of gases based on concentration levels (High to low). Occurs at a cellular level (In the lungs and in the muscle cell) Cardiac output (Heart rate x stroke volume) - The heart pumps out oxygenated blood to the vascular system. Oxygen combines with haemoglobin in the blood Myoglobin, in the muscle attracts the oxygen from the blood and draws it into the mitochondria. Waste produces of aerobic metabolism is removed from the muscle cell via diffusion. See fig 5.2 p.119
VCE Physical Education - Unit 3 Oxygen Uptake Limiting factors to oxygen uptake; Respiratory system ability to take in oxygen Cardiovascular system ability to transport and deliver oxygen Muscular system Utilisation of oxygen Type of exercise performed, genetic inheritance, lifestyle, age and gender.
VCE Physical Education - Unit 3 Limitations to VO 2 Max
VCE Physical Education - Unit 3 Oxygen Uptake - Sports
VCE Physical Education - Unit 3 Heart Rate and Oxygen consumption When exercising; Our heart rate increases to meet the oxygen demands for the working muscles. The relationship between HR and oxygen consumption is linear. Trained athletes are able to utilise their oxygen uptake more efficiently than non trained people. See fig 5.3 p.119
VCE Physical Education - Unit 3 Heart Rate and Intensity
VCE Physical Education - Unit 3 Complete questions 1-4 page 119 of Nelson Physical Education VCE Units 3 & 4. Checkpoints
Oxygen Deficit Oxygen Uptake, Oxygen Deficit and Oxygen Debit
VCE Physical Education - Unit 3 Oxygen Deficit Oxygen deficit occurs when the demand for oxygen exceeds the supply of oxygen available. The body therefore needs to obtain ATP through anaerobic pathways. Short duration/high intensity Lactic acid is produced but is removed once oxygen demands are met. Performance is hindered due to the presence of lactic acid Once oxygen demands are met, the body reaches its steady state. Aerobic glycolysis assists in the removal of lactic acid.
VCE Physical Education - Unit 3 Oxygen Consumption
VCE Physical Education - Unit 3 Complete questions 1-4 page 120 of Nelson Physical Education VCE Units 3 & 4. Checkpoints
Acute Responses Oxygen Uptake, Oxygen Deficit and Oxygen Debit
VCE Physical Education - Unit 3 Acute Responses Acute responses occur to supply extra oxygen and nutrients to support ATP production. Acute responses include; Reduction in creatine stores Accumulation of lactic acid Increase in epinephrine (Regulates BP and O 2 consumption levels) Reduction in glycogen stores Increase in muscle temperature Increase in cardiac output Redistribution of blood to working muscles. Responses are dependent on intensity, duration, fitness levels and type of activity used.
VCE Physical Education - Unit 3 Acute Responses Acute responses to exercise. Increase in; Oxygen intake Transport of oxygen Extraction of oxygen from the blood Consumption of oxygen by working muscles Continues until maximum uptake is met (VO 2 max) http://www.bbc.co.uk/science/ humanbody/body/
VCE Physical Education - Unit 3 Complete questions 1-3 page 122 of Nelson Physical Education VCE Units 3 & 4. Checkpoints
Oxygen Debt Oxygen Uptake, Oxygen Deficit and Oxygen Debit
VCE Physical Education - Unit 3 Oxygen Debit After exercise our demand for ATP decreases but we still need to repay the oxygen needed during exercise. This is why we puff after intense activities. The higher the intensity and duration of activities, the longer the oxygen debit.
VCE Physical Education - Unit 3 EPOC Another term used for oxygen recovery is EPOC excess post-exercise oxygen consumption. Alactacid Debt Oxygen used to restore ATP and PC stores Lactacid Debt - Oxygen used to remove lactic acid from cells/blood. Additional oxygen is used to recover the energy systems. EPOCFast Replenishment (0 3 minutes) Slow Replenishment (0 minutes hours) ATP resynthesisReturn core temperature to pre-exercise levels PC resynthesisLA converted to CO2 & H2O Absorption of H+ ions (buffering) Restore oxygen to myoglobinLA converted to glycogen, protein & glucose Restoring heart rate, ventilation & other body systems to pre-exercise levels
VCE Physical Education - Unit 3 Complete the data analysis tasks on page 124 and 125 of Nelson Physical Education VCE Units 3 & 4. Coursework 5.1 and 5.2
VCE Physical Education - Unit 3 Complete questions 1-3 page 127 of Nelson Physical Education VCE Units 3 & 4. Checkpoints
VCE Physical Education - Unit 3 Complete the review questions 1-4 page 128-9 of Nelson Physical Education VCE Units 3 & 4. Test Your Knowledge
VCE Physical Education - Unit 3 Complete the chapter questions on page 29- 39 of Nelson Peak Performance Physical Education VCE Units 3 & 4. Peak Performance
VCE Physical Education - Unit 3 Read the summarised information of pages 47-53 of PHYS ED Notes and complete the revision questions. PHYS ED Notes
VCE Physical Education - Unit 3 VCAA Questions
VCE Physical Education - Unit 3 VCAA Questions - 2006
VCE Physical Education - Unit 3 Web Links Chapter 5 Australian Sports Commission: http://www.ausport.gov.au http://www.ausport.gov.au Find 30 promotion (Government of WA Department of Health): http://www.find30.com.au http://www.find30.com.au Walking School Bus promotion (UK): http://www.walkingbus.com http://www.walkingbus.com Ministry of Health (New Zealand) toolkits: http://www.newhealth.govt.nz http://www.newhealth.govt.nz The 10,000 Steps Rockhampton project: http://www.10000steps.org.au/rockhampton/ http://www.10000steps.org.au/rockhampton/ Travelsmart Australia: http://www.travelsmart.gov.au http://www.travelsmart.gov.au World Health Organisation: http://www.who.int http://www.who.int Heart Foundation Australia: http://www.heartfoundation.com.au http://www.heartfoundation.com.au VicHealth (The Victorian Health Promotion Foundation): http://www.vichealth.vic.gov.au http://www.vichealth.vic.gov.au Be Active promotion (Government of South Australia): http://www.beactive.com.au http://www.beactive.com.au Go For Your Life: http://www.goforyourlife.vic.gov.au http://www.goforyourlife.vic.gov.au Physical Activity Resources for Health Professionals Introduction (Centre for disease control and prevention USA): http://www.cdc.gov/nccdphp/dnpa/physical/health_professionals/index.htm http://www.cdc.gov/nccdphp/dnpa/physical/health_professionals/index.htm Health Promotion (Public Health Agency of Canada): http://www.phac-aspc.gc.ca/hp-ps/index.html http://www.phac-aspc.gc.ca/hp-ps/index.html Strategic Inter-Governmental Forum on Physical Activity and Health (SIGPAH): http://www.nphp.gov.au/workprog/sigpah/ http://www.nphp.gov.au/workprog/sigpah/ Healthy youth (Centre for disease control and prevention (USA): http://www.cdc.gov/HealthyYouth/ http://www.cdc.gov/HealthyYouth/ America On The Move promotion: http://www.americaonthemove.org http://www.americaonthemove.org Papers from the International Journal of Behavioural Nutrition and Physical Activity: http://www.ijbnpa.org/home http://www.ijbnpa.org/home Department of health and aging (Australian government): http://www.health.gov.au/internet/wcms/publishing.nsf/content/home http://www.health.gov.au/internet/wcms/publishing.nsf/content/home Building a healthy, active Australia (Australian government): http://www.healthyactive.gov.au http://www.healthyactive.gov.au National Public Health Partnership: http://www.nphp.gov.au http://www.nphp.gov.au Be Active promotion (Government of South Australia): http://www.beactive.com.au http://www.beactive.com.au Sport and Recreation Australia: http://www.sport.vic.gov.au http://www.sport.vic.gov.au Interactive body and mind tests from the BBC UK: http://www.bbc.co.uk/science/humanbody http://www.bbc.co.uk/science/humanbody Human anatomy: http://www.innerbody.comhttp://www.innerbody.com Information about the body and anatomy Virtual Body: http://www.ehc.com/vbody.asp http://www.ehc.com/vbody.asp Article Oxygen Deficit: A Measure of Anaerobic Capacity: http://www.faccioni.com/Reviews/oxygendeficit.htm http://www.faccioni.com/Reviews/oxygendeficit.htm Information on the transport of oxygen in the blood, from the Australasian Society of Cardio-Vascular Perfusionists: http://www.perfusion.com.au/CCP/Physiology/Oxygen and carbon dioxide transport.htm http://www.perfusion.com.au/CCP/Physiology/Oxygen and carbon dioxide transport.htm Nicholas Institute of Sports Medicine and Athletic Trauma A primer on maximum oxygen consumption: http://www.nismat.org/physcor/max_o2.htmlhttp://www.nismat.org/physcor/max_o2.html Australian Sports Commission: http://www.ausport.gov.auhttp://www.ausport.gov.au Sports Coach UK: http://www.brianmac.demon.co.ukhttp://www.brianmac.demon.co.uk