Exam Revision Flashcards

1
Q

Periosteum

A

The tissue covering the outside of the bone

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2
Q

Diaphsis

A

Diaphsis – The long, straight section of the bone, or shaft is a hollow cylinder

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3
Q

Compact bone

A

tissue is very dense. It is able to withstand large forces. This makes it ideal for providing protection, support and strength

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4
Q

Proximal and distal epiphysis

A

The ends of a bone which are filled with sponge/cancellous bone

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5
Q

Axial skeleton

A

Skull, spine and thorax

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6
Q

Appendicular skeleton

A

Arms, legs, shoulder and pelvic girdles

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7
Q

Vital Capacity

A

The greatest volume of air that can be expired after a maximum inspiration

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8
Q

Residual Volume

A

The volume of air that remains in the lungs after a forced maximal expiration

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9
Q

Total Lung Capacity

A

The amount of air in the lungs following a maximal inspiration and is calculated by adding vital capacity of the lungs to the residual volume

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10
Q

Tidal Volume

A

The amount of air that is inspired and expired with each normal breath during rest or any given exercise

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11
Q

Inspiratory Reserve Volume

A

The amount of air that can be inspired during a forced inspiration, following a normal inspiration

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12
Q

Expiratory Reserve Volume

A

The amount of air that can be expired during a forced expiration, following a normal expiration

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13
Q

Flexion

A

Bending, decreasing angle between two or more bones

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14
Q

Extension

A

Straightening, increasing angle between two or more bones

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15
Q

Abduction

A

Moving a body part away from the centerline of the body in either the horizontal or vertical plane

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16
Q

Adduction

A

Moving a body part towards the centerline of the body in either the horizontal or vertical plane

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17
Q

Rotation

A

Moving a bone around its own longitudinal axis

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18
Q

Circumduction

A

Moving a body part so that the end describes a circle and the body part makes the shape of a cone when it moves

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19
Q

Supination

A

Moving the bones of the forearm so that the radius and ulna are parallel (palms up)

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20
Q

Pronation

A

Moving the bones of the forearm so that the radius and ulna cross over each other (palms down)

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21
Q

Plantar flexion

A

Moving the top of your foot away from the tibia, by pointing the toes

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22
Q

Dorsi flexion

A

Moving the top of you foot towards the tibia

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23
Q

Elevation

A

Raising the shoulder girdle upwards in relation to the head

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24
Q

Depression

A

Lowering the shoulder girdle in the relation to the head

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25
Inversion
Moving the sole of the foot inwards at the ankle
26
Eversion
Moving the sole of the foot outwards at the ankle
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Fitness
The capability of the heart, blood vessels, lungs and muscles to function at optimal efficiency
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5 Main Functions of the Human Skeletal System
``` − Provides the body with shape − A solid attachment point for muscles (provides movement) − Protects vital organs − Stores essential minerals − Produces red blood cells ```
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Long bones
− Tubular − Hollow − Consist of a cylindrical shaft with knobbly ends − Filled with marrow; which is where blood cells are produced − Examples: femur (thigh), radius (forearm)
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Short bones
``` − Spongy tissue − Hard surface − Round in shape − Large range of movement − Examples: carpals (wrist bones), tarsals (ankle bones) ```
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Flat bones
− Broad − Flat surfaces − Main function is to protect vital organs − Provide large surface area for attachment of muscles − Examples: scapula (shoulder blade), skull, sternum (breast bone)
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Irregular
− Vary in shape − Reinforced where additional strength is needed − Examples: vertebrae of the spinal column
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Sagittal Plane
− Passes vertically − Divides body into left and right − Examples: flexion and extension movements such as bicep curls and sit ups − Observed from side on
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Frontal Plane
− Passes vertically − Perpendicular to sagittal plane − Divides body into front (anterior) and back (posterior) − Examples: abduction and adduction movements such as a cartwheel
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Transverse
− Passes horizontally − Divides into upper (superior) and lower (inferior) − Examples: rational movements − Observed from above or below
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4 Major Functions of the Respiratory System
− To deliver oxygen from the atmosphere to the lungs − To allow a gaseous exchange within the lungs − To create speech − To facilitate a sense of smell
37
3 Sections of Respiratory System
− The air passages − The lungs − The diaphragm
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Air passages
Carry oxygen from the outside to the lungs
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Nasal cavity
− Takes air from the atmosphere and prepares it for the body − Warms, moistens and filters − Cilia, the fine hairs in the nose, clean the air
40
Pharynx
− Is in the throat − Shared between food and air − Divided into two tubes; esophagus (carries food to stomach) and trachea (carries air towards lungs)
41
Larynx (voice box)
− Is surrounded by thyroid cartilage − Contains vocal cords − Epiglottis guards entry to trachea to prevent food from entering
42
Trachea (windpipe)
− Carries air between the pharynx and through the thorax to the lungs − Reinforced with rings of cartilage to ensure it stays open − Lined with mucous and cilia to cleanse air
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Bronchial Tubes
− Branch out to left and right lung − Each bronchus enters corresponding lung − Continue into smaller airways called bronchioles − Then into millions of tiny air sacs called alveoli − Alveoli are thin and surrounded by capillaries − Allows for exchange of oxygen and carbon dioxide
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The Lungs
− Encased in thorax − Protected by ribs, sternum, vertebrae − Separated from vital organs by diaphragm − Surrounded by thin layer called pleura to prevent friction when lungs expand and contract
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Gaseous Exchange in the Lungs
− Absorption of oxygen by the body and return of carbon dioxide − Occurs in alveoli
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The Gas Exchange Process
− Air is breathed into the lungs − Oxygen enters alveoli − Diffusion − Enters blood stream − When the opposite occurs, carbon dioxide moves from capillaries to alveoli − After gaseous exchange, oxygenated blood returns to heart
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The Diaphragm
− Involuntary, smooth muscle − Base of chest cavity − Contracts and relaxes − Enables inspiration and expiration to take place
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Lung Volumes
− Hold about 3 litres of air − Increased by half a litre during inspiration and rest − Increase to 6 litres with forced inspiration − Decrease to 1 litre with forced expiration
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Step 1: Preparation
− Understand the skill to be analysed, identifying the critical variables associated with the ‘ideal performance’
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Step 2: Observation
− Decide on the number of observations needed to make decision on critical variables − There is a need to observe the actions from different locations to observe different variables − Observe performance under different conditions e.g. match VS practice
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Step 3: Evaluation
− Compare critical variables of your ‘ideal performance’ with the observed performance − Prioritise practiced time with regards to strengths in performance and observed weakness
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Step 4: Intervention
− Select the appropriate intervention to rectify weakness in performance − Provide feedback on the mechanical variables being practiced
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Step 5: Re-observation
− Check that the intervention strategies have been successful in modifying the movement
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The Cognitive Phase
− Thinking/understanding − Errors are large in number and more frequent − The athlete has little capacity to correct own errors − Instruction and feedback from a coach
55
The Associative Phase
− Athlete is able to perform the basic skill − Athlete is better able to adjust to the environment − Errors became less in number and frequency − Athlete begins to direct and correct own errors − Athlete encouraged to use their own feedback
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The Autonomous Phase
− Athlete does not consciously think about the specific movements − Athlete can perform other tasks at the same time − Low performance variability − Athlete can direct their own errors and make adjustments to correct them
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Muscle Involvement: gross motor skills or fine motor skills
− Fine motor skills involve small movements of specific body parts and require precision and control − Gross motor skills involve large muscle groups in the movement of the whole body
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Continuity: discrete skills, serial skills or continuous skills
− Discrete skills have distinct beginning and end, usually short in duration − Serial skills are made up of a number of discrete movements performed in a particular order to make one integrated movement − Continuous skills have no obvious begging and end and can be continued for as long as the performer wishes
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Pacing: self-paced or externally paced
− Self-paced the timing of the skill is entirely up to the performer − Externally paced skills factors outside the control of the performer determine the timing and execution of the skill
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Environmental Impact: closed skills or open skills
− Closed skills those performed in a stable, predictable environment where there is no uncertainty or change in the conditions − Open skills those in which the movement is continually being varied depending on what is going on around the performer
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Cardio Respiratory Endurance
The capacity of the body to be involved in continuous physical activity for an extended period of time
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Muscular Strength
The ability of a muscle or a group of muscles to exert a force against resistance in a singular muscular contraction
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Muscular Endurance
The ability of a muscle or a group of muscles to expert a force a force repeatedly over and extended period of time or sustain a contraction for an extended period of time
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Flexibility
The capacity of a joint to move a full range of motion, or the ability to bend, stretch and twist without injury
65
Body Composition
Determining body composition indicates the percentages of fat, muscle and bone that make up the total body weight
66
Power
The ability to release maximum force very quickly. It is a combination of strength and speed to produce an explosion action
67
Speed
The ability to perform a movement or cover a distance in a short period of time
68
Agility
The ability to change the position of the body quickly and efficiently while retaining balance
69
Reaction Time
Refers to the time between receiving a signal to move and the actual physical response
70
Coordination
The ability of the body’s senses, nervous system and muscles to perform specific movements smoothly and accurately
71
Balance
The ability to maintain the body’s equilibrium while stationary (static balance) or in motion (dynamic)