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p.e 3/4 > movement skills > Flashcards

movement skills Flashcards

1
Q

massed

A

sessions done less frequently in week/activity within a session and last longer
eg. 2 2hour sessions a week

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2
Q

distributed

A

spaced out sessions throughtout the week or activities within the session

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3
Q

practice distribution

A

massed or distributed

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4
Q

practice variability

A

blocked, serial, random

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5
Q

blocked practice

A

same skill continuously without switching to another skill or rests eg. 100 tennis serves

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6
Q

serial practice

A

several planned skills rehearsed and performed i a sequence

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7
Q

random practice

A

random varied sequencing of different motor skills

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8
Q

types of feedback

A

external/ augmented
intrinsic

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9
Q

cognitive learners - what practice?

A

closed, blocked, distributed

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10
Q

associative and autonomous -suggested practice

A

distributed,open, random

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11
Q

frequency of feedback

A

how often an external source provides feedback to skill leaner - regular feedback important for skill acquisition

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12
Q

advantage of direct coaching

A
  • coach does all thinking and decision making
  • best for skill acquisition
  • very structured and simplified
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13
Q

disadvantages of direct coaching

A

-learner X need to think for themselves makes it hard to transfer skills to game play
- can be boring and repetitive- decrease motivation and participation

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14
Q

constraints learning

A

interaction of individual and env. - coach sets constraints to focus on manipulating characteristics of sport

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15
Q

constraints coaching pos.

A
  • game like scenraios that transfer into game play
  • allow for tactical development
  • more enjoyable and challenging
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16
Q

constraints based neg

A

-slower skill acquisition
- less structure
- hard to find coaches with detailed knowledge on skill

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17
Q

benefits of qualitative data

A

allows coach to learn about technique and provide specific error feedback and prescribe apporpriate form of practice to improve performance

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18
Q

preparation buzz

A

success criteria, info on performer. type of feedback - familiarise w skill

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19
Q

observation

A

direct - immediate but subjective
video / indirect- more accurate b/c can slow down hw need equiptment

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20
Q

evaluation- objective performance

A

impartial measurement with quantitative numercial data

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21
Q

evaluation - subjective performance

A

influenced by personal judgement on how the skill was performed

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22
Q

error correction - concurrent/ in game

A

calling out , using gestures , discusiion in breaks

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23
Q

error correction - terminal / training

A

visual models, manually guide a person through technique , modify training drills

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24
Q

motions

A

linear, general ,angular

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25
Q

what type of motion is swimming

A

general

26
Q

inertia

A

tendency of a body to resist a change in its state of motion

27
Q

force

A

push or pull exerted on a body to alter its state of motion

28
Q

weight equation

A

mass x gravity

29
Q

gravitational force

A

cause an object to fall towards earth/ the ground - parabolic path

30
Q

frictional force

A

when two surfaces are in contact this causes friction which opposes motion

31
Q

drag force

A

when object moves through air or water and opposes direction of motion - slowing an object down

32
Q

force summation

A

correct timing and sequencing of body segments and muscles throughout the whole range of motion

33
Q

force sum types

A

sequential and simultaneous

34
Q

simultaneous force summation

A

multiple body parts move at same time

35
Q

sequential force summation

A

activation of body parts used in a sequence

36
Q

sequential force summation - how to increase force?

A

Strongest and largest body parts first, use as many body parts as possible, transferring momentum from one body part to another when at maximum velocity, ensuring an appropriate follow through to avoid unnecessary deceleration

37
Q

momentum equation

A

mass x velocity

38
Q

velocity

A

measure of an objects displacement over time

39
Q

ang momentum

A

amount of motion an object posseses that is rotating around an axis

40
Q

impulse

A

change in momentum (force x time)

41
Q

impulse question - performance

A
  • definition and equation
  • increase time force is apllied to ….. this will lead to greater change in momentum and increase impulse
  • increase distance/ link to performance
42
Q

impulse - risk of injury q

A
  • definition and equation
  • increase time force is absorbed…. reduces impact force
  • reduces risk of injury
43
Q

acceleration

A

rate of change of velocity of an object

44
Q

acceleration equation

A

= force ➗mass

45
Q

torque

A

force that causes rotation (eccentric force)

46
Q

torque equation

A

torque = force x lever

47
Q

NFLOAM angular 1

A

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

48
Q

velocity equation

A

displacement / time

49
Q

speed and equation

A

rate of motion
distance/ time

50
Q

projectile motion

A

an object in the air is propelled by application of an external force

51
Q

factors affecting projectile motion

A

height of release, angle of release and the speed of release

52
Q

angle of release

A
  • optimal for distance is 45 degrees
  • landing height > release = >45 degrees
  • landing height < release = <45 degrees
53
Q

height of release

A

increase height , increase distance b/c travel increase horizantal distance as increase time in air –> decrease angle of release - flatter trajectory - increase success

54
Q

speed of release

A

increase force applied to projectile , increase speed and distance

55
Q

equilibrium

A

state when there is a balance of forces

56
Q

stability

A

degree to which body resists change in equilibrium

57
Q

why position on edge of LOG

A

smaller force required to get them moving in required direction

58
Q

advantage of increase length of lever

A

increase resistance arm , speed magnifier, increase range of motion and angular velocity , increase speed of release, increase distance

59
Q

neg of increase length of lever

A

increase RA, increased MOI and decreased AV therefore harder to control and harder to overcome inertia - less likely to make contact with moving target

60
Q

pos of decrease in lever length

A

decrease MOI and increase AV can swing more easily and control more easily - can connect with target (often for cognitive learners)

61
Q

NSLOAM 2 angular

A

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

p.e 3/4 (4 decks)

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