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p.e 3/4 > exam rev. > Flashcards

exam rev. Flashcards

1
Q

benefits of increased La tolerance

A

-increase buffer ability of LA
-able to work at higher intensities anaerobically 4 longer beyond lip (>85%)
-able to work at max intensities

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2
Q

if i have a higher LA , will i have increase or decrease LA by end of 1 min

A

increased LA accumulated as can tolerate more

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3
Q

does CP ever completely deplete

A

no - all 3 energy systems contribute at all times

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4
Q

informed consent for a minor

A

MUST INFORM PARENTALS/ GUARDIAN

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5
Q

adaptations of HIIT

A
  • increased capillarisation
  • decrease systolic and diastollic bp
  • increased mit size and no 📌
  • increase LA tolerance
  • increase resting glycogen content
  • increase muscle oxidative capacity 📌
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6
Q

hyperthermia

A
  • increase blood flow to surface of skin via vasodilation
  • decrease blood plasmaa
    TOO HOT
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7
Q

hypothermia

A
  • increase blood flow via vasodilation to the vital organs to keep warm and sustain function
  • shivering - utilises increased energy
    TOO COLD
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8
Q

energy for muscle contraction

A

result from energy released during the splitting of the 3rd phosphate molecule - breaks the high energy bond and forms ADP +Pi

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9
Q

fats - blood and muscle

A
  • body = adipose tissue
  • muscle = triglycerides
  • blood= free fatty acids
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10
Q

carbs

A
  • blood= glucose
  • muscles = glycogen
    -body = adipose tissue
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11
Q

protein

A

-bodily fluid = amino acid
- skeletal muscle = muscle

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12
Q

LIP - vo2 and hr

A
  • 74% vo2 max
  • 85% mhr
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13
Q

fundamental motor skills

A
  • stability skills
  • locomotor skills
  • manipulative skills
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14
Q

cognitive - what practice and feedback ?

A
  • closed
    -distributed
  • blocked
  • primarily knowledge of performance cause cant detect own errors
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15
Q

associative - practice, variability and feedback?

A
  • becomes open skill
    -distributed
  • serial
  • primarily external kop but also incorporate intrinsic feedback
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16
Q

autonomous - practice, variability, feedback

A

-open skill
-massed /distributed
-random
- primarily internal feedback

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17
Q

advantage of direct coaching

A
  • skill acquisition
  • very structured and coach makes all decisions - focus on understanding skill
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18
Q

disadvantages of direct coaching

A
  • learner- x require to think for themselves - hard to transfer skills into game play
  • boring and repetitive - decrease participation and motivation - also decrease success under pressure and increase risk of choking
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19
Q

advantages of constraints coaching

A
  • practice game scenarios = decrease risk of choking
  • tactical development and autonomous \
  • more successful and more challenging - increase practice variability - increase enjoyment
  • can link perception and action
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20
Q

disadvantage of constraints

A
  • slower skill acquisition bc of variability
  • less structured and controlled
  • hard to monitor workload - decrease participation
  • more knowledge needed for coach
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21
Q

constraints coaching

A

interaction bw individual and the environment affecting the learner - link bw perception and action
-game approach / open

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22
Q

qualitative analysis

A

systemic observation of quality of human movement and technique for purpose of providing specific feedback

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23
Q

evaluation - performance measures

A
  • objective = impartial measurement without bias / measures time and distance
  • subjective= influenced by personal judgement - refer to quality and characteristic of perforrmance
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24
Q

ways of error correction

A
  • concurrent (in game)
  • during training (terminal) =visual models, guide through technique, modify training w constraints based learning
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25
Q

mass

A

measure of amount of matter in an object

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26
Q

inertia

A

tendency of a body to resist a change in its state of motion
increase mass - increase inertia - increase force to overcome

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27
Q

force

A

push or pull on a body that alters its state of motion

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28
Q

weight

A

mass x gravity

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29
Q

frictional force

A

contact bw two surfaces - opposes motion

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30
Q

force summation

A

correct timing and sequencing of body segments and muscles through a range of motion

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31
Q

sequential - generate force

A
  • strong and large muscles first
  • use as many body parts as possible - force generated over greater period of time
    -transfer momentum from one body part to another while at max velocity
  • ensure appropriate follow through in order to avoid unnecessary deceleration
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32
Q

conservation of momentum

A

when two bodies collide the total momentum is conserved/ the same . the total momentum prior to collision= total momentum after collision. momentum will likely to be transferred bw bodies

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33
Q

moment of inertia defintion

A

measure of an objects resistance to its rate of rotation

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34
Q

apply impulse to when a cricketer ‘ give in ‘ to the ball

A

b/c impulse = change in momentum (force xtime) , then increase time the force is applied - change in momentum increase - decrease impact force - easier to catch and reduced risk of injury

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35
Q

why does a ball with same force have different rate of acceleration

A

rate of change of velocity of an object + equation (m=f/a)
- must have different mass - lighter balls have a faster acceleration

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36
Q

1 NLOAM

A

angular motion of a body remains constant unless acted upon by an external torque

37
Q

N 2LOAM

A

torque applied to an object will produce a change in angular motion in direction of torque and directly prop to size of torque and inversly prop. to object MOI

  • increase torque increases acceleration
38
Q

linear distance

A

path travelled from start to finish regardless of direction

39
Q

linear displacement

A

difference bw final and initial position of an object

40
Q

angular distance

A

equals angular distance covered by a rotating body

41
Q

angular displacement

A

equal to final and initial position of rotating object

42
Q

linear speed

A

rate of motion

distance - time

43
Q

linear velocity

A

measure displacement of an object over time

disp / time

44
Q

angular speed

A

rate of rotation

angular distance/time

45
Q

angular velocity

A

rate of change of angular displacement

46
Q

angle of release

A
  • optimal for max distance = 45 degrees
  • if landing height > release = >45 degrees eg bball throw
  • if landing height< release= < 45 degrees eg javelin
47
Q

balance

A

ability to control equilibrium

48
Q

stability

A

degree to which body resist change in equilibrium

49
Q

why would an athlete want to lean forward prior to race

A

positioning line close to edge of BOS or outside will mean small force is required to move the body in the required direction
- also increase bos and space for log to fall within - increase balance for tackles

50
Q

activity analysis

A
  • important link bw training& actual performance
  • determine physical requirement of sport (es,mg,fc) so a specific training program = designed
51
Q

types of activity analysis

A

heart rate monitor
w:r ratio
movement patterns
skill frequency table

52
Q

health screening

A
  • PARQ = identify health risks , medical conditions and previous injuries
  • identifies that ind. can physically perfom the test
53
Q

informed consent

A

-minors must have parents involved
-reveals aim of testing, purpose, risks and assurance of confedentiality
- aims to minimise social and physical complications/ risks

54
Q

pre fitness test

A
  • set a benchmark
  • motivation
  • strength and weakness
55
Q

purpose for during and post test

A
  • evaluate effectiveness
    -motivation
56
Q

physiologucal

A
  • replicate requirements of the sport
  • are they physically capable
57
Q

accuracy

A

rules and guidelines strictly followed

58
Q

relaible

A

can be replicated to produce consistent results

59
Q

diminishing returns

A

gains in fitness more rapid at beginning of program and later becomes more difficullt to achieve

60
Q

concentration

A

ability to focus on relevant cues and ignore noise

61
Q

why develop fundamental motor skills

A

if x develop - then no chance to master fundamental motor skills - not develop sport specific skills - less likely to be successful in chosen sport - decrease motivation and likelihood of participation

62
Q

activity analysis type

A
  • movement patter = eg +fc
    -hr = es
    -w:r= es
    skill freq = fc + mg + actions
63
Q

how does age affect aerobic power

A
  • peaks mid 20s then resume linear -ve trend
  • decrease elacticity of lungs , decrease o2
  • decrease hb levels and decrease mm and mitochondria
64
Q

how does sex affect aerobic power

A

males>
- increase size of lungs
-increase hb
- muscle mass and mito

65
Q

how does age affect anaerobic capacity

A

peaks at 30yo
- decrease muscle mass and protein synthesis - decrease power

66
Q

sex affect on anaerobic capacity

A

males have increase testosterone - increase muscle m and places to store cp and anaerobic enzymes - increase ability to work anaerobically

67
Q

reaction time

A

time bw stimulus and initiation of muscular response

68
Q

coordination

A

ability to execute a sequence of movement smoothly and accurately

69
Q

body comp

A

ratio of non fat components to fat ofbody - muscle / bone

70
Q

how does sex influence fkexibility

A

females - generally more flex bc increase oestrogen which assists in joint laxity and will have decrease muscle mass

71
Q

hiit

A

include work periods of high intensity interspersed with periods of passive rest or active/low intensity recovery

72
Q

resistance training

A

use of body weight or additional weight to impact muscle structure

73
Q

interval training

A

form of training where work intervals are followed by rest

74
Q

circut training

A
  • combines continuous and resistance training, consists of a series of exercises arranged in order to develop health related or sports specific fitness
75
Q

plyometric

A

involves rapid eccentric contraction followed by a forceful concentric contraction

76
Q

evaluate interval training

A
  • ad = performed without fatigue associated with continuous
  • dis= requires knowledge to set up
77
Q

evaluate res training

A

ad- manipulated easy to target many fc
dis- require equiptment, background knowledge

78
Q

evaluate circut

A
  • ad= large groups , easy to overload
    -disad= time consuming to set up - not most specific
79
Q

types of curcuts

A
  • fixed time
    -fixed load
  • individual load - diff for each ind
80
Q

plyometrics evaluate

A

ad = most specific way to develop power - minimal equiptment
disad= dangerous / vital to have technique

81
Q

conditions for plyometrics

A
  • low int to high - limit effect of fatigue
    -warm up before
  • appropriate footwear
    -ensure no preexisting injury or potential health risks
82
Q

overtraining

A

long term decline in performance and physical functioning as body becomes psychologically and physiologically stressed

83
Q

mental imagery benefits

A

-enhance conc on relevant cues
- moves arousal to optimal zone
-enhance neural pathway bw brain and the muscles

84
Q

muscular acute responses

A
  • motor unit recruitment
  • increase firing rate of motor units
  • increase a-vo2-diff
    -depletion of fuels
  • increase muscle temp
  • production of metabollic byproducts
85
Q

acceleration definition

A

rate of change of velocity of an object

86
Q

projectile motion

A

object propelled by application of external force when in air
- evaluates how factors influence flight path

87
Q

torque

A

force that leads to rotation

88
Q
A

p.e 3/4 (4 decks)

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