Archive for March, 2012

  • Playing With Statistics [Part 5]

    By Mladen Jovanovic on 26/03/2012

    Playing With Statistics Although at the end of part 4 I mentioned I will talk about analysis of frequent tests like sRPE, HRV and other’s that are used for monitoring, I will not do that in this part. Maybe in part 6 because I am still ‘playing~struggling’with that one. What I want to talk today is data...

  • Playing With Statistics [Part 4]

    By Mladen Jovanovic on 19/03/2012

    Playing With Statistics In the last part I did analysis of the test using standard score. Now I am going to analyze re-test. Here are the test score for both test and re-test. TEST RE-TEST January 14th, 2012. February 25th, 2012. Player v30-15IFT Z-Score v30-15IFT Z-Score 1 19,5 -0,89 20 -1,44 2 19 -1,57 20 -1,44 3...

  • Playing With Statistics [Part 3]

    By Mladen Jovanovic on 19/03/2012

    Playing With Statistics After a general rant in part 1 and part 2 I am about to start actually doing some stats. Ok, the first 30-15IFT test we did was in January and here are the scores. TEST Player v30-15IFT Z-Score 1 19,5 -0,89 2 19 -1,57 3 19,5 -0,89 4 20,5 0,45 5 19,5 -0,89 6...

  • Playing With Statistics [Part 2]

    By Mladen Jovanovic on 18/03/2012

    After a general rant in part 1 I will now try to be more pragmatic. Please note that with these posts I am not trying to impress lab coats, but rather provide an example for my fellow coaches who deal with testing and assessment. Nothing fancy, just down to earth analysis.

  • Playing With Statistics [Part 1]

    By Mladen Jovanovic on 17/03/2012

    Recently I have seen EXCELLENT presentation from Stuart Cormack regarding monitoring in rugby. They utilize GPS, biochemical monitoring, sRPE and Neuromuscular fatigue testing and create light system that red-flags players that need more attention and are away from their usual variability, both to their individual baseline and team baseline (they utilize standard difference score and rolling averages over 4...

  • Frame of reference

    By Mladen Jovanovic on 10/03/2012

    Take a acceleration phase in sprinting  for an example. Ground reaction force passes through body’s center of mass (or slightly outside of it causing certain torque around body’s sagital axis) and certain component of it provides the propulsion force. The bigger the propulsion force, the greater the acceleration. The body inclination can affect this, but to get into more incline position...

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