Semester 1 Exam Flashcards

1
Q

Agonist

A

Contracting muscle

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2
Q

Antagonist

A

Relaxing muscle

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3
Q

Fast Twitch

A
80%FT 20%ST
White fibre
Rapid contractions 
Easily fatigued 
Anaerobic 
e.g 100m Sprinter
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4
Q

Slow Twitch

A
80%FT 20%ST
Red Fibres 
Slow Contractions 
Resistant to fatigue 
Aerobic
e.g Marathon Runner
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5
Q

Origin

A

The point at which muscle is attached to non moving bone

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6
Q

Insertion

A

The point at which the muscle is attached to the moving bone

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7
Q

Contractibility

A

Shortening of a muscle

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8
Q

Excitability

A

Muscles response to a nervous stimulus

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9
Q

Flexion

A

The decreasing the angle of a joint e.g bicep curl

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10
Q

Circumduction

A

Moving limb in a circular motion that creates a cone shape

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11
Q

Elasticity

A

Capable of regaining original form when force is removed

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12
Q

Extendibility

A

Muscles are capable of stretching when force is applied

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13
Q

Extension

A

Increasing the angle between two bones

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14
Q

Rotation

A

Moving bone around it’s longitudinal Axis

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15
Q

Speed

A

Rate at which a body moves from one location to another

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16
Q

Velocity

A

Is speed in a given direction

17
Q

Acceleration

A

Rate at which the velocity of a body changes with respect to time

18
Q

Distance

A

Refers to the path of a body as it moves from one location to another

19
Q

Displacement

A

Is a measure of motion, found by measuring length of straight line joining a body’s initial and final positions

20
Q

Linear Motion

A

How far a body moves, how fast it moves, how consistently it moves

21
Q

Static Balance

A

When athlete is required to remain stationary for a period of time e.g shooting

22
Q

Dynamic Balance

A

when the athlete is required to alternate body position whilst moving e.g marking afl

23
Q

1st Law (Inertia)

A

All bodies will continue in a state of rest or uniform motion in a straight line unless acted upon by some external source

24
Q

2nd Law (Acceleration)

A

The acceleration of a body is proportional to the force acting on it and takes place in the direction the force acts

25
Q

3rd Law (action & reaction)

A

For every action there is an equal and opposite reaction

26
Q

Nasal Cavity

A

Takes air from atmosphere
Moistens
Warming
Filters out dust

27
Q

Pharynx

A

Shared passageway of food and air before oesophagus and trachea

28
Q

Larynx

A

Voice box

Contains epiglottis to prevent food entering trachea

29
Q

Trachea

A

Contains strong cartilage so it doesn’t collapse

Lined with cilia and mucous

30
Q

Bronchi/Bronchioles

A

Further branches off trachea for air to travel

31
Q

Alveoli

A

1 cell thick air sacs to maximise surface area for gas exchange

32
Q

Concentration

A

Ability to focus on the task at hand, on relevant cues

33
Q

Mental Training Methods

A
Goal Setting
Relaxation
Imagery 
Performance Routine
Self Talk
34
Q

Velocity of Release

A

Increasing the velocity of release, increase the height of the flight path. Increases overall distance

35
Q

Height of release

A

The higher the release will generate greater distances if angle and velocity of release is the same
Lowering and elevating will change the overall distance of the projectile

36
Q

Self Confidence

A

Belief that you can successfully perform a task

expectation of success, successful performance, boosts self confidence