October 28th, 2009
The new AFL franchise, Gold Coast Football Club, based in Queensland Australia has joined the minimax community. With 11 of the 17 AFL teams now using minimax, it has become the dominant athlete tracking product in this progressive market.
Gold Coast will spend 2010 in the VFL competition before becoming a full AFL team in 2011. The GCFC is a young and exciting football club focused on finding the right mix of age and talent for its list so that it can hit the ground running in 2011.
see http://goldcoastfc.com.au/ for more details on GCFC.
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October 28th, 2009
The validity and bias of Catapults minimaxV4 was quantified for short sprint efforts that are characteristic of many team sports. This included both straight line sprints of 10 and 20m and also short courses involving several 90 degree changes of direction (complex courses).
Previous research has established that minimax is a good tool for measuring long distance events in sport[1], however earlier generation devices had trouble with shorter sprint events.
minimaxV4 has a completely new generation GPS engine targeted for team sports. It has better accuracy, faster data rate (10Hz) and shorter lock on time in difficult GPS environments like stadiums.
Ten replicates each for 10m and 20m straight line sprints were compared against criterion measures, with 2 different running speeds.
Then ten replicates for both a 12.5m and 25m course were performed, where the said course had four 90 direction changes (see figure 1).
Figure 1: Short courses with direction change
Validity was quantified with the standard error of the estimate (SEE) and Bias estimated by summing total sprint distances across all trials and evaluating the error as a percentage.
For full text download here
[1] Petersen, Pyne, Portus, Dawson:
Validity and Reliability of GPS Units to Monitor Cricket-Specific Movement Patterns, International Journal of Sports Physiology and Performance, 2009, 4, 381-393
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October 28th, 2009
A quantum leap in performance!
minimax 4th generation products boast:
- Better Accuracy.
- Faster data rates (10Hz GPS).
- Faster lock times.
Not just more data; Better data.
Start getting real and accurate information on short and complex sprints, acceleration/deceleration and tactical information.
Over 10m sprints, minimaxV4 shows Standard Estimate of Error and bias of only 1-2%!
Measure complex paths with small movements. Satellite image overlay shows jogging the grid of a standard carpark (2.5x5.5m) shows
Contact Catapult for a brochure or download our internal validation paper. Generation 4 is currently undergoing independent testing. . . Results coming soon!
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