Component 01 - The Human Body Flashcards
What are the names of the bone in the lower leg?
Tibia and fibula
What is the name of the bone in the shoulder?
Scapula
What is the name of the twos bones which run along the top of the chest?
Clavicle
Name the five functions of the skeleton
Protection
Movement
Muscle Attachment for movement
Mineral Storage
Blood Production
What type of bone are the phalanges?
Long bones
What type of bone are the carpals?
Short bones
What type of bone are the tarsals?
Short bones
What type of bones are the vertebral column?
Irregular
What is the name of the bone in the upper leg?
Femur
What are the names of the bones in the foream?
Ulna and Radius
What type of bone is the cranium?
Flat
What is the name of the muscle group behind the upper leg?
Hamstrings
What is the name of the muscle at the calf?
Gastrocnemius
What is the name of the muscle group at the front of the upper leg?
Quadriceps
What is the name of the muscles at the top of your chest?
Pectorals
What is the name of the shoulder muscle at the top of your arm?
Deltoids
What is the name of the muscle at the upper back?
Trapezius
What is the name of the muscles at the side of your back?
Latissimus Dorsi
What are the three main types of muscle fibre?
Type 1, 2a and 2x
What does aerobic mean?
Exercise with oxygen
What does anaerobic mean?
Exercise without oxygen
Is aerobic exercise low or high intensity?
LOW
What type of muscle fibre is likely to be stressed the most during low intensity exercise?
Type 1 - Slow Twitch
What type of muscle fibre is likely to be used/stressed during high intensity exercise?
Type 2x - Fast Twitch
Which joint has the greatest range of motion?
Ball & socket
What is the antagonistic partner to the gastrocnemius?
Tibilias Anterior
What is the antagonistic partner to the hip flexors?
Gluteus Maximus
What is the antagonistic partner to the biceps?
Triceps
What is maximum heart-rate?
220-Your age
What is responsible for clotting the blood?
Platelets
Which blood vessel carries oxygenated blood to the body?
Aorta
Which blood vessel carries oxygenated blood back to the heart?
Pulmonary vein
Which blood vessel carries deoxygenated blood to the lungs?
Pulmonary artery
Which blood vessels carries deoxygenated blood to the heart?
Vena Cava
What is an isometric muscle contraction?
When the muscle contracts but doesn’t change length
What is meant by vascular shunt?
When more blood is ‘shunted’ to the areas of the body that need it - working muscles during exercise.
Vascular shunt - what is vasodilation?
When blood vessels widen to let blood through
Vascular shunt - what is vasoconstriction?
When blood vessels narrow so less blood travels through
Why do the muscles need more blood during exercise?
So more 02 is transported there so a performer can work aerobically
So more CO2 is removed
Heat is removed through the skin
What is meant by health?
Emotional, physical and social well-being and not just the absence of disease
What is meant by fitness?
The ability to meet the demands of the environment
What are the three types of health?
Physical, emotional and social
What is meant by the term ‘voluntary’ muscle?
Muscles that are under CONSCIOUS CONTROL - biceps, triceps etc
What is meant by ‘involuntary’ muscle?
Muscles that are NOT UNDER CONSCIOUS CONTROL - heart, lungs etc.
How do involuntary muscles support performance?
Heart - provides oxygenated blood to the working muscles
Lungs - allows air/oxygen to brought into the body
This being INVOLUNTARY means you do not have to do it and can concentrate on your performance
What is a short-term effect of exercise in the muscular system?
Increased muscle temperature:
This increase ELASTICITY, reduces risk of injury and provides greater range of motion
What is a short-term effect of exercise in the cardiovascular system?
Increased Heart Rate, Stroke Volume and Cardiac Output:
This means you can get more 02 to the working muscles, and remove CO2
What is a short-term effect of exercise in the respiratory system?
Increased tidal volume, increase breathing rate:
More O2 can be inhaled, more CO2 can be exhaled
What happens to the amount of O2 between inhalation and exhalation?
Less O2 is exhaled as it is used for aerobic respiration
What happens to the amount of CO2 between inhalation and exhalation?
More CO2 is exhaled as this is produced during exercise (anaerobic)
Why is O2 important to a sports performer?
For Aerobic Respiration (ENERGY)
To oxidise and remove lactic acid
What happens if you cannot get enough O2 to the working muscles?
The exercise becomes anaerobic - lactic acid builds up and prevents muscles from contracting.
Less aerobic respiration - less energy, you become tired.
What is Tidal Volume?
The amount of air inhaled and exhaled in one breath
What is Vital Capacity?
The maximum amount of air you can breathe out after breathing in as much as you can.
Muscles always work in………………………..
Antagonistic pairs
What is it important for muscles to work in antagonistic pairs?
1) Being able to relax fully before contracting increases the muscle power produced
2) The antagonist acts as a break to stop the agonist becoming damaged during contraction
What type of joint is the wrist?
Condyloid
What movements are permitted at a condyloid (wrist)?
Circumduction
What is circumduction?
A complete circular movement
Conical in shape
A combination of
- flexion, extension, abduction, adduction
Which blood cells carry O2 and CO2?
Red - haemoglobin
Which blood cells fight disease?
White
Which component of the blood clots it?
Platelets
What is the role of blood plasma?
Transports nutrients
Maintains blood volume
Regulates body temperature
What is tidal volume?
The volume of air you breathe in and out in one normal breath.
What is vital capacity?
This is the maximum volume of air you can breathe out after breathing in as much you can (peak flow)
Define health
A state of complete emotional, physical and social wellbeing and not merely the absence of disease and infirmity
Define fitness
The ability to meet the demands of the environment
Define exercise
A form of physical activity done to maintain or improve health and/or physical fitness. It is not competitive sport.