Unit 1 Flashcards
in what plane of motion and axis of rotation are flexion and extension in
sagittal plane and transverse axis
in what plane of motion are abduction and adduction in
frontal plane and anterior-posterior axis
in what plane and axis is lateral and medial rotation in
transverse plane and longitudinal axis
is the plane of motion parallel or perpendicular to the movement
parallel
what is a relative joint
joint between 2 body segments
what is an absolute angle
angle of segment
ist 2D planar movements
running and cycling
list 3D multi-planar movements
throwing, pitching, golf swing, tennis se
what is a degree of freedom
number of directions a body and joints can move
what are the strengths of qualitative movement analysis
- no expensive equipment
- field tests= increased ecological validity
- if done properly will be highly systematic
- coach and athlete-friendly
what are the weaknesses of qualitative data
- lack of data
- need considerable knowledge of the movement
- reliability and validity are questionable = observer bias
what are the strengths of quantitative analysis
- quantitative of biomechanical data
- reliability and objectivity can be easily assessed
what are the weaknesses of quantitative data
- expensive equipment
- lab test
- lack of theoretical knowledge can be masked by data driven approach
- not coach friendly
balance
control of position relative to the base of support
co-ordination continuum
timing of muscle action and segment motions
force- motion
unbalanced forces acting on a body to create movement
inertia
resistance to motion
range of motion
range of motion used to complete the action
segmental interaction
proximal to distal sequencing, summation of force
force-time
magnitude of force and duration of application affect the resulting motion
optimal projection
projection angle optimised for task
spin
lift force, affects trajectory of ball and other projectiles
what are the 4 fundamental stages of movement analysis
- stage 1: preparation phase
- stage 2: observation stage
- stage 3: evaluation and diagnosis
- stage 4: intervention
what are the main objectives of the preparation phase
- gathering knowledge
- conduct needs analysis
- know activity inside and out
- establish critical features
- develop systematic observation strategy
- in-depth knowledge of physical and cognitive characteristics of perfromers
- develop initial intervention strategy
what are the main objectives of the observation stage
- gathering information about movement from the senses and from video recording
- focus of observation = phase of movement
- observe in controlled environment
- observe from vantage points
- number of observations
- other procedural issues for recording movement
what are the main objectives for the evaluation and diagnosis stage
- evaluating strengths and weaknesses of performance
- diagnosing what weakness to tackle
- prioritising intervention to improve perfromance
what are the main objectives of the intervention stage
- administering feedback and correction to improve performance
- emphasise feedback to perfromers to improve technique and perfromance
- main view of the whole process in context of needs analysis from prep stage
