Validity and Reliability of GPS for Measuring Instantaneous Velocity During Acceleration, Deceleration, and Constant Motion
Purpose: This study aims to evaluate the validity and reliability of Global Positioning System (GPS)-derived measurements of instantaneous velocity, acceleration, and deceleration during constant motion. ... Read more
Accuracy and Reliability of GPS Devices for Measurement of Sports-Specific Movement Patterns Related to Cricket, Tennis, and Field-Based Team Sports
Aim: This study aimed to assess the accuracy and reliability of 5, 10, and 15 Hz global positioning system (GPS) devices in measuring sports-specific movement ... Read more
Concurrent Validity and Test-Retest Reliability of a Global Positioning System (GPS) and Timing Gates to Assess Sprint Performance Variables
Objective: This study aimed to determine the concurrent validity and reliability of a 5 Hz global positioning system (GPS) for assessing sprinting speed, as well ... Read more
A Comparison of Two Global Positioning System Devices for Team-Sport Running Protocols
Objective: This study investigated the comparability and reliability of global positioning system (GPS) devices during running protocols associated with team sports. Participants: Fourteen moderately-trained males ... Read more
The Validity and Reliability of GPS Units for Measuring Distance in Team Sport Specific Running Patterns
Purpose: To assess the validity and reliability of distance data measured by global positioning system (GPS) units sampling at 1 and 5 Hz during movement ... Read more
Validity and Interunit Reliability of 10 Hz and 15 Hz GPS Units for Assessing Athlete Movement Demands
Purpose: The purpose of this study was to assess the validity and inter-unit reliability of 10 Hz (Catapult) and 15 Hz (GPSports) Global Positioning System ... Read more
A Novel Approach to Assessing Validity in Sports Performance Research: Integrating Expert Practitioner Opinion into the Statistical Analysis
Purpose: The purpose of this study was to demonstrate how expert practitioner opinion can be used to determine measurement validity using elite youth soccer players’ ... Read more
Global Positioning System and Sport-Specific Testing
Most physiological testing of athletes is performed in well-controlled situations in the laboratory. Multiple factors that are hard to control for have limited the use ... Read more
Concurrent Validity of GPS for Deriving Mechanical Properties of Sprint Acceleration
Purpose: The purpose of this study was to test the concurrent validity of data from two different global positioning system (GPS) units for obtaining mechanical ... Read more
Validity and Reliability of GPS Units to Monitor Cricket-Specific Movement Patterns
Purpose: The validity and reliability of three commercial global positioning system (GPS) units (MinimaxX, Catapult, Australia; SPI-10, SPI-Pro, GPSports, Australia) were quantified. Methods: Twenty trials ... Read more
The Validity and Reliability of 1-Hz and 5-Hz Global Positioning Systems for Linear, Multidirectional, and Soccer-Specific Activities
Purpose: The study aimed to analyze the validity and reliability of commercially available nondifferential Global Positioning System (NdGPS) devices for measures of total distance during ... Read more
Accuracy of GPS Devices for Measuring High-Intensity Running in Field-Based Team Sports
We compared the accuracy of 2 GPS systems with different sampling rates for the determination of distances covered at high speed and metabolic power derived ... Read more