3.2.4.8 The role of technology in physical activity and sport Flashcards
(31 cards)
sports analytics
refers to studying data from sports performances to try and improve performance
quantitative
numerical data
data written/measure precisely
e.g. VO2 max test heart rate monitor, stat analysis from matches, surveys, questionnaires
ADV: extremely factual, formal objective data, easy to compare
DIS: not much detail/depth of whole performance
qualitative
descriptive data and looks at way people think or feel
e.g. interviews/observations
ADV: gain clear understanding of athlete experience, contain lots of details
DIS: open to interpretation/opinion (subjective), time consuming when analysing data, less meaningful
subjective
open to interpretation
based on personal opinion less measurable
e.g. works harder in training
e.g. doesnt tire easily
objective
fact based info which is measurable
e. g. scored 5.6 in MSFT
e. g. number of time break footwork rule
reliability
refers to degree to which data collection is consistent and stable over time
validity
indication of whether data collected actually measures what it claims
sports analytics used to??
- monitor fitness for performance
- used to develop skill and technique
- help prevent injury
- game analysis
- used in talent ID/scouting
monitor fitness for performance
calories burned/calories input steps/distance resting & working HR pace sleep
- know effort & fitness levels & threshold
- help setting goals & tailor training programme
develop skills and technique
e.g. Dartfish injury prevention improve performance strategies highlight mistakes analyse opponents
provide tactical, technical, statistical data which is used to improve team’s performance
preventing injury
- vibration technology
2. electro-stimulation
vibration technology
used in injury prevention, recovery, rehabilitation (applied straight to affected area = direct) (transferred to whole body = indirect)
pros: reduce muscle stiffness/DOMS boost metabolism increase muscle mass increase blood flow reduce pain
electrotherapy
small electrical impulses to repair tissue, stimulate muscles and increase sensations and muscle strength (send small electrocution to muscles= stimulate)
pros:
increase strength/power of muscles e.g. ankle stability
reduce recovery time = expelling lactic acid out of muscles
promote blood flow
prevent loss in fitness levels while inactive (used to stimulate muscles = maintain time, help with recovery athletes coming back from)
scout talent/talent ID
computer vision machine learning and other forms of AI = algorithms
game videos/data from sensors = identify talent
e.g. baseball (stats = evaluate players, throwing speed/spin, video tracking players moving round field/swing speed/mechanics from sensor = studded bats)
e.g. basketball (Computer vision systems = track ball/players move around = how teammates move
analyse games/performance
coaches/athletes use video analysis programmes = assess technique/team/ individual performance = programmes tend to collect quantitative data
video motion analysis
used to study movement patterns, strategy, technical play in teams performance (see in action)
biomechanics of action = gather info
qualitative or quantitative
benefits of video motion analysis
- provide feedback during/after game
- helps with injury prevention (identify incorrect technique)
- better communication with coaches and players
- increase performance levels
GPS & motion tracking software
measure speed, distance, HR, pace, recovery time
e.g Strava
benefits of GPS/motion tracking
- high impact sport = measure G forces on player = substitution ?
- data provided immediately
- aid recovery = monitor workload during rehabilitation
- know what fitness zone in = coach analyse = SMARTER goals = improve performance
positive role of technology for a coach in analysis of team games
- identity talent
- injury prevention
- coach plan ahead based on previous
- create tactics
- visually identify strength/weakness = change
negative role of technology for a coach in analysis of team games
- data not be shown immediately after error
- over reliant (break focus on stats more)
- expensive, unaccessible to all levels
- doesnt show full picture
- not reflect true ability/performance
- potential hacking/compromise data
calorimetry involves
metabolic cart = equipment
stages of the metabolic cart
- headgear tubes attach to cart
- breath for specific time period
- vol of O2 and CO2 in/out measured
- = amount of heat released = generate measurement = REE
resting energy expenditure
REE kcal
amount of energy required for a 24 hr period by body during rest
