Class 1 - Interdisciplinary Nature of Movement Diagnosis

Question 1

How does the authout Adrian Lees define ‘Technique Analysis’ (another way of saying movement diagnosis)?

Answer 1

An analytical method that is used to understand the way in which sports skills are performed and, through this understanding, provide the basis for improved performance.
It can also lead to injury prevention and can be used in coaching, teaching, lab science, and the clinic.

Question 2

Name the approaches to technique analysis

Answer 2

Qualitative:
- phase analysis
- temporal analysis
- critical features

Quantitative:
- critical featrues (key variables)
- tool: video
- tool: forceplate

Question 3

Describe a phase analysis

Answer 3

breaks movement down into segments of different movements
(times where direction/purpose of movement is the same)

Question 4

What are possible aspects of a phase analyss (7)

Answer 4

intertia= resistance to movement
- overcome movement of intertia to create force
- is a linear variable
- mass closer to point of rotation = lower moment of inertia
angular displacement
angular movement
centre of mass
velocity
acceleration
radius

Question 5

Describe the relationship between angular displacement, centre of mass, and inertia

Answer 5

angular displacement lower = closer to centre of mass = decreased moment of inertia

Question 6

describe the relationship between velocity, acceleration, and distance

Answer 6

velocity will always determine acceleration and therefore will determine distance

Question 7

Define a temporal analysis

Answer 7

breaks up a movement into how much time each phase takes
-> good for consistent, cyclical movemenets

Question 8

Define a critical feature

Answer 8

compontnet of the movement that are essential to the performance of a skill

Question 9

What are the steps to identifying a critical feature? (3)

Answer 9

1. use your knowledge of activity (research)
2. observe the movement
3. use a deterministic model

Question 10

what is this models name and lable it

Answer 10

Hierarchical/Deterministic Model
Red = results
Orange = Mechanical Correlates
Green = Factors that determine the correlates

Question 11

Define critical features in a quantitative context

Answer 11

• what about the movement is important
• must be specific and constant

Question 12

What can be analyzed in a video?

Answer 12

angular variables using protractor (displacement, acceleration, velocity
linear cariables using ruler (displacement, acceleration, velocity)

Question 13

What can be alayzed with a forceplate?

Answer 13

force, mass, and joint movements (inertia)

Question 14

Define the hierarchical/deterministic model

Answer 14

a modeling paradigm that determines the relationships between a movement outcome measure and the biomechanical factors that produce such a measure

Question 15

Create a deterministic model for this image

Answer 15

Question 16

Name the 3 linear kinematics of basic movement patterns

Answer 16

displacement
velocity
acceleration

Question 17

Name the 4 angular kinematics of basic movement patterns

Answer 17

displacement
velocity
acceleration
radius

Question 18

Name the 7 force kinetics of basic movement patterns

Answer 18

mass
inertia
momentum
levers
moments
impulse
radius

Question 19

What are the 4 steps of QMD

Answer 19

1. preperation
2. observation
3. evaluation and diagnosis
4. intervention

Question 20

Describe phase 1 of the QMD

Answer 20

Preperation
- research the movement
- break movement down into phases using proper anatomical terminology to describe what happens in each phase including muscle activation
- identify goal of movement
- identify critical features and planes in which these features can be best observed

Question 21

Describe phase 2 of QMD

Answer 21

Observation
Qualitative Analysis:
- watch video, analyze if this is sufficient data collection
- frame grabs of critical features
Quantitative analysis:
- digitize

Question 22

Describe phase 3 of QMD

Answer 22

Evaluation
- analyze data
- find ways to represent it (graphing, visual analog scales)

Question 23

Describe phase 4 of QMD

Answer 23

Intervention
- correcting technique
- build strength
- psychological intervention