Unit 2: The Physiology of Fitness
Guided Learning Hours: 30
Unit Content
1 Know the body’s response to acute exercise
Musculoskeletal response: increased blood supply; increase in muscle pliability; increased range of movement; muscle fibre micro tears
Energy systems: phosphocreatine; lactic acid; aerobic; energy continuum; energy requirements of different sport and exercise activities
Cardiovascular response: heart rate anticipatory response; activity response; increased blood pressure; vasoconstriction; vasodilation
Respiratory: increase in breathing rate (neural and chemical control); increased tidal volume
2 Know the long-term effects of exercise on the body systems
Cardiovascular system: cardiac hypertrophy; increase in stroke volume; increase in cardiac output, decrease in resting heart rate; capillarisation; increase in blood volume; reduction in resting blood pressure; decreased recovery time; increased aerobic fitness
Muscular system: hypertrophy; increase in tendon strength; increase in myoglobin stores; increased number of mitochondria; increased storage of glycogen and fat; increased muscle strength; increased tolerance to lactic acid
Skeletal system: increase in bone calcium stores; increased stretch in ligaments; increased thickness of hyaline cartilage; increased production of synovial fluid
Respiratory system: increased vital capacity; increase in minute ventilation; increased strength of respiratory muscles; increase in oxygen diffusion rate
Energy systems: increased aerobic and anaerobic enzymes; increased use of fats as an energy source
3 Be able to investigate the physiological effects of exercise on the body systems
Types of exercise: eg aerobic, resistance, circuit, interval
Methods of investigation: comparison of pre-exercise, exercise and post-exercise physiological readings, eg resting heart rate, exercise heart rate, percent heart rate maximum, percent heart rate reserve maximum, Rating of Perceived Exertion, blood pressure, flexibility tests, spirometry
Review: effects of exercise on the body systems (acute and long-term); pre-exercise, exercise and post-exercise physiological data; practicality of exercise activities selected; advantages and disadvantages; strengths and areas for improvement
| Grading criteria | ||
| To achieve a pass grade the evidence mustshow that the learner is able to:
|
To achieve a merit grade the evidence mustshow that, in addition to the pass criteria,
the learner is able to:
|
To achieve a distinction grade the evidencemust show that, in addition to the pass and
merit criteria, the learner is able to: |
| P1 describe the musculoskeletaland energy systems response
to acute exercise
|
M1 explain the responseof the musculoskeletal,
cardiovascular and respiratory systems to acute exercise |
|
| P2 describe the cardiovascular andrespiratory systems responses
to acute exercise |
||
| P3 describe the long-termeffects of exercise on the
musculoskeletal system and energy systems |
M2 explain the long-termeffects of exercise on
the musculoskeletal, cardiovascular, respiratory and energy systems |
|
| P4 describe the long-termeffects of exercise on the
cardiovascular and respiratory systems |
||
| P5 collect physiologicaldata to investigate the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with tutor support |
M3 collect physiologicaldata to investigate the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with limited tutor support |
D1 independently investigatethe physiological
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems |
| P6 review physiological datacollected, describing the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
M4 review physiological datacollected, explaining
the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
D2 review physiologicaldata collected, analysing
the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
Unit 2
Teaching Resource
Task 1
1 Know the body’s response to acute exercise
Musculoskeletal response: increased blood supply; increase in muscle pliability; increased range of movement; muscle fibre micro tears
Energy systems: phosphocreatine; lactic acid; aerobic; energy continuum; energy requirements of different sport and exercise activities
Cardiovascular response: heart rate anticipatory response; activity response; increased blood pressure; vasoconstriction; vasodilation
Respiratory: increase in breathing rate (neural and chemical control); increased tidal volume
Grading Criteria for assessment of Task 1
| P1 describe the musculoskeletaland energy systems response
to acute exercise
|
M1 explain the responseof the musculoskeletal,
cardiovascular and respiratory systems to acute exercise |
| P2 describe the cardiovascular andrespiratory systems responses
to acute exercise |
Assessment Assignment 2.1
Date set
Submission Date
Overview
Scenario
You are on work placement at a local gym. Your supervisor has asked you to put together a personal training plan for a client. However, before you do this she would like you to carry out a series of investigations to ensure that you fully understand the different body systems involved, how they work together during exercise and why they should be taken into account during fitness training and sports participation.
Activity 1
Understanding the initial responses of the body to exercise is important in a range of professions, for example, cardiologists, fitness consultants and personal trainers. To be able to work effectively in the sport and exercise industry you need to have a good understanding of how the body reacts to exercise. This will enable you to plan the intensity level of exercise or training for the people that you work with.
Your supervisor has asked you to investigate the initial responses of the cardiovascular and respiratory systems to exercise. In the investigation you will first need to record the resting heart rate, breathing rate and blood pressure of your participants, using the table below. These three readings should also be monitored during the exercises you have devised. The results taken during exercise can then be compared to the initial resting levels you have recorded and a report written explaining what the results mean.
The body’s responses to acute exercise are as follows.
- Musculoskeletal response: increased blood supply; increase in muscle pliability; increased range of movement; muscle fi bre micro tears.
- Energy systems: phosphocreatine; lactic acid; aerobic; energy continuum; energy requirements of different sport and exercise activities.
- Cardiovascular response: heart rate anticipatory response; activity response; increased blood pressure; vasoconstriction; vasodilation.
- Respiratory response: increase in breathing rate (neural and chemical control); increased tidal volume.
After you have collated the data using the table below Describe the cardiovascular and respiratory systems responses to acute exercise (P2).
| Phase of session | Resting pulse rate | Breathing rate | Blood pressure |
| Pre – exercise | |||
| Warm – up completion | |||
| 5 – 10 minutes | |||
| 10 – 15 minutes | |||
| 15 – 20 minutes | |||
| 20 – 25 minutes | |||
| 25 – 30 minutes |
Activity 2
Your supervisor would now like you to Describe the musculoskeletal and energy systems responses to acute exercise (P1).
Activity 3
Explain the response of the musculoskeletal, cardiovascular and respiratory systems to acute exercise (M1).
Hint
P1
For P1, learners need to describe the responses of the musculoskeletal and energy systems to a single bout of exercise. They will need to include how muscle responds to exercise including the increased blood supply and also the effects of resistance exercises which includes micro tears. Each of the energy systems should be described and their contribution to exercise as the exercise bout continues over a period of around 30 minutes.
P2
For P2, learners need to describe how the cardiovascular and respiratory systems respond to a single bout of exercise. This should also include the pre-exercise effects which occur in the heart. Learners should explore the effects over an exercise period of around 30 minutes so that steady state has been attained.
M1
For M1, learners need to explain the responses of the musculoskeletal, cardiovascular and respiratory systems to a single bout of exercise. They will need to include how muscle responds to exercise including the increased blood supply and also the effects of resistance exercises which includes micro tears. Cardiovascular and respiratory responses should be explained; learners should give reasons and provide the physiological evidence to clearly support their explanation.
Grading Criteria
This assignment will assess P1, P2 and M1.
P1
Describe the musculoskeletal and energy systems responses to acute exercise
P2
Describe the cardiovascular and respiratory systems responses to acute exercise
M1
Explain the response of the musculoskeletal, cardiovascular and respiratory systems to acute exercise
Useful Resources
Barker R et al — BTEC National Sport: Sports Development and Fitness Options
(Heinemann, 2004)
Dalgleish J et al — The Health & Fitness Handbook (Longman, 2001)
Heyward V — Advanced Fitness Assessment and Exercise Prescription (Human
Kinetics, 2006)
Honeybourne J — BTEC National Sport (Nelson Thornes, 2004)
Lawrence M — The Complete Guide to Core Stability (A and C Black, 2003)
Sharkey B and Gaskill E — Fitness and Health (Human Kinetics, 2006)
British Association of Sport and Exercise Sciences www.bases.org.uk
Human Kinetics www.humankinetics.com
Top End Sports www.topendsports.com
Task 2
2 Know the long-term effects of exercise on the body systems
Cardiovascular system: cardiac hypertrophy; increase in stroke volume; increase in cardiac output, decrease in resting heart rate; capillarisation; increase in blood volume; reduction in resting blood pressure; decreased recovery time; increased aerobic fitness
Muscular system: hypertrophy; increase in tendon strength; increase in myoglobin stores; increased number of mitochondria; increased storage of glycogen and fat; increased muscle strength; increased tolerance to lactic acid
Skeletal system: increase in bone calcium stores; increased stretch in ligaments; increased thickness of hyaline cartilage; increased production of synovial fluid
Respiratory system: increased vital capacity; increase in minute ventilation; increased strength of respiratory muscles; increase in oxygen diffusion rate
Energy systems: increased aerobic and anaerobic enzymes; increased use of fats as an energy source
Grading Criteria for assessment of Task 2
| P3 describe the long-termeffects of exercise on the
musculoskeletal system and energy systems |
| P4 describe the long-termeffects of exercise on the
cardiovascular and respiratory systems |
| M2 explain the long-termeffects of exercise on
the musculoskeletal, cardiovascular, respiratory and energy systems |
Assessment Assignment 2.2
Date set
Submission Date
Overview
Scenario
Understanding the adaptations to training is important in a range of professions, for example, fitness consultants and personal trainers. To be able to work effectively in the sport and exercise industry you need to have a good understanding of how the body adapts to the training that you have prescribed. An understanding of the adaptations to training will enable you to plan how long a sports person may need to train to reach their goal.
Activity 1
Your supervisor would like you to produce a summary sheet Describing the long-term effects of exercise on the Muscular skeletal and energy systems (P3).
Activity 2
You have now been asked by your supervisor to produce a summary sheet Describing the long-term effects of exercise on the cardiovascular and respiratory systems (P4).
Activity 3
Finally your supervisor would like you to Explain the long–term effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems (M2).
Hint
P3
For P3, learners need to describe the adaptations of the musculoskeletal system and energy systems to long-term exercise such as a six-week training programme.
P4
For P4, learners need to describe the adaptations of the cardiovascular and respiratory systems to long-term exercise such as a six-week training programme.
M2
For M2, learners need to explain the adaptations of the musculoskeletal, cardiovascular, respiratory and energy systems to long-term exercise such as a six-week training programme.
Grading Criteria
This assignment will assess P3, P4 and M2.
P3
Describe the long-term effects of exercise on the cardiovascular and respiratory systems
P4
Describe the long-term effects of exercise on the cardiovascular and respiratory systems
M2
Explain the long–term effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems
Useful Resources
Barker R et al — BTEC National Sport: Sports Development and Fitness Options
(Heinemann, 2004)
Dalgleish J et al — The Health & Fitness Handbook (Longman, 2001)
Heyward V — Advanced Fitness Assessment and Exercise Prescription (Human
Kinetics, 2006)
Honeybourne J — BTEC National Sport (Nelson Thornes, 2004)
Lawrence M — The Complete Guide to Core Stability (A and C Black, 2003)
Sharkey B and Gaskill E — Fitness and Health (Human Kinetics, 2006)
British Association of Sport and Exercise Sciences www.bases.org.uk
Human Kinetics www.humankinetics.com
Top End Sports www.topendsports.com
Task 3
3 Be able to investigate the physiological effects of exercise on the body systems
Types of exercise: eg aerobic, resistance, circuit, interval
Methods of investigation: comparison of pre-exercise, exercise and post-exercise physiological readings, eg resting heart rate, exercise heart rate, percent heart rate maximum, percent heart rate reserve maximum, Rating of Perceived Exertion, blood pressure, flexibility tests, spirometry
Review: effects of exercise on the body systems (acute and long-term); pre-exercise, exercise and post-exercise physiological data; practicality of exercise activities selected; advantages and disadvantages; strengths and areas for improvement
Grading Criteria for assessment of Task 3
| P5 collect physiologicaldata to investigate the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with tutor support |
M3 collect physiologicaldata to investigate the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with limited tutor support |
D1 independently investigatethe physiological
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems |
| P6 review physiological datacollected, describing the
effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
M4 review physiological datacollected, explaining
the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
D2 review physiologicaldata collected, analysing
the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems. |
Assessment Assignment 2.3
Date set
Submission Date
Overview
Scenario
Understanding the responses of the body to exercise is important in a range of professions, for example, fitness consultants and personal trainers. To be able to work effectively in the sport and exercise industry you need to have a good understanding of how the body reacts and recovers.
You should also be able to measure and test clients to determine any problems that they may have.
This will enable you to plan appropriate exercise levels and rest periods for the people that you work with.
Activity 1
While shadowing the personal trainer at the gym, you have been asked to assist in practical testing and assessment of individuals in a variety of exercises. Once testing is complete you will need to present the results in a PowerPoint presentation to the personal trainer explaining the scores that you have analysed.
You will need to investigate the effects of exercise in a range of activities that could be used in a training programme.
Collect physiological data to investigate the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with tutor (P5) limited tutor (M3) independently (D1) support
This should include exercises for the musculoskeletal system, cardiovascular system and energy systems. Use the table below to record the results of your investigation.
The exercises can include:
- aerobic exercises, e.g. treadmill running, cycling, rowing
- anaerobic exercises, e.g. ski squat, vertical jumps or 1(rm) lifts, or cycling (such as spinning).
Repeated Wingate tests can help replicate accurate scores for spinning hill climb or sprint sections.
You must select at least two exercises – one from each of the aerobic and anaerobic lists.
For the aerobic exercises, pre-exercise levels need to be recorded for resting heart rate, blood pressure and tidal volume. Anaerobic scores could also include a record of flexibility or strength scores.
Data should then be collected during an activity. The activity should last for 30 minutes for aerobic and up to 30 seconds for anaerobic. The performer could also be monitored in recovery.
| Factor | Exercise one | Exercise two |
| Resting Heart Rate | ||
| Exercise heart rate | ||
| Per cent heart rate | ||
| Rating of perceived exertion | ||
| Blood pressure | ||
| Breathing rate | ||
| Flexibility (if applicable) |
Activity 2
Your supervisor would now like you to review physiological data collected, describing (P6) explaining (M4) and analysing (D1) the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems.
Hint
P5
For P5, learners will have received tutor support whilst setting up and collecting physiological data from an investigation. Learners should select at least two different types of exercise in order to determine how the different types of exercise result in differing adaptations. Learners should also examine the acute response to their selected exercises as well as the long-term effects of exercise. Physiological data should be recorded pre-, during and post-exercise.
P6
For P6, learners need to examine the data collected and review the results by describing how the body responds to each type of exercise during the acute phases and also the long-term effects of the selected exercises. Learners need to review physiological data collected before, during and post-exercise. Consideration should also be given to the practicality of the exercise activities selected, and any advantages or disadvantages encountered during data collection. Learners should be able to describe the strengths and areas for improvement of their investigation.
M3
For M3, learners will have received very little tutor support whilst setting up the investigation and collecting physiological data from the investigation. Learners should select at least two different types of exercise in order to determine how the different types of exercise result in differing adaptations. Learners should also examine the acute response to their selected exercises and also the longer term effects of exercise.
M4
For M4, learners need to examine the data collected and review the results by explaining how the body responds to each type of exercise during the acute phases and also the long-term effects of the selected exercises on the body systems. Learners will also need to explain the practicality of the exercise activities selected, and any advantages or disadvantages encountered during data collection. Learners should be able to explain the strengths and areas for improvement of their investigation.
D1
For D1, which links to P5 and M3, learners will have independently conducted their investigation. Learners should select at least two different types of exercise in order to determine how the different types of exercise result in differing adaptations. Learners should examine both the acute response to their selected exercises and also the longer term effects of exercise.
D2
For D2, which links to P6 and M4, learners need to examine the data collected and review the results by analysing how the body responds to each type of exercise during the acute phases and also the longer term effects of the selected exercises. The analysis will need to include the practicality of the exercise activities selected and advantages/disadvantages encountered with the way in which physiological data was collected. An analysis of the strengths and areas for improvement of the investigation will need to be included in the review.
Grading Criteria
This assignment will assess P3, P4 and M2.
P5
Collect physiological data to investigate the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with tutor support
P6
Review physiological data collected, describing the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems
M3
Collect physiological data to investigate the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, with limited tutor support
M4
Review physiological data collected, explaining the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems
D1
Collect physiological data to investigate the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems, independently
D2
Review physiological data collected, analysing the effects of exercise on the musculoskeletal, cardiovascular, respiratory and energy systems
Useful Resources
Barker R et al — BTEC National Sport: Sports Development and Fitness Options
(Heinemann, 2004)
Dalgleish J et al — The Health & Fitness Handbook (Longman, 2001)
Heyward V — Advanced Fitness Assessment and Exercise Prescription (Human
Kinetics, 2006)
Honeybourne J — BTEC National Sport (Nelson Thornes, 2004)
Lawrence M — The Complete Guide to Core Stability (A and C Black, 2003)
Sharkey B and Gaskill E — Fitness and Health (Human Kinetics, 2006)
British Association of Sport and Exercise Sciences www.bases.org.uk
Human Kinetics www.humankinetics.com
Top End Sports www.topendsports.com
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