Posts tagged with ‘Performance Analysis’

  • Playbook: Exploring decathlon competition data [Part 1]

    By Mladen Jovanovic on 17/05/2014

    Playbook: Exploring Decathlon Competition Data Data set Decathlon data set comes from FactoMineR package and represents two competitions: Decastar and Olympic Games. For this example we will explore only Olympic Games competition, so we need to subset the data. # Load the needed packages library(FactoMineR) library(ggplot2) library(reshape2) suppressPackageStartupMessages(library(googleVis)) # Load the decathlon data data(decathlon) # Subset the...

  • Spider Charts Sucks!

    By Mladen Jovanovic on 07/05/2014

    Spider Charts Sucks! I am openly sharing my opinion (backed up with work by Stephen Few) that spider charts sucks. It is time for the sport scientists to move away from PES (Pro Evolution Soccer; game on Sony Playstation) and similar games influencing how we visualize athlete profiles. Let’s assume we have a movement screen scores and we want...

  • How to Analyze Movement Screen Tests? [Addendum]

    By Mladen Jovanovic on 28/04/2014

    How to Analyze Movement Screen Tests? Continuing on the previous post I had an idea to make further analysis. Please note that this is only a playbook. The idea is to transpose the data, and instead of clustering the athletes, we cluster the metrics or tests. What we are looking for is to find tests/metrics that are similar...

  • How to Analyze Movement Screen Tests?

    By Mladen Jovanovic on 28/04/2014

    How to Analyze Movement Screen Tests? In the recent post I shared the movement screen we designed and implemented. The question now is how to analyze the data and make real life decisions on it? What do we need to get from the analysis in the first place? In my (current) opinion we need these: Identify groups of athletes...

  • Movement Screen (We Have Used)

    By Mladen Jovanovic on 26/04/2014

    When I was in Hammarby IF (Stockholm, Sweden) we (myself and PT Mikael Klotz) created our own screening tool, mostly using FMS and PCA ideas (along with reading some research papers). One thing that most screening systems lack, in my opinion of course, is evaluation of joint hyper mobility

  • How to (Pretend to) Be a Better Coach Using Bad Statistics

    By Mladen Jovanovic on 25/03/2014

    How to (Pretend to) Be a Better Coach Using Bad Statistics Here is a simple scenario from practice: Coach A uses YOYOIRL1 test and Coach B uses 30-15IFT (for more info see paper by Martin Buchheit, which also stimulated me to write this blog) to gauge improvements in endurance. Coach A: We have improved distance covered in YOYOIRL1 test...

  • Random Thoughts on Injuries

    By Mladen Jovanovic on 17/03/2014

    Random Thoughts on Injuries Few years ago when I was in UK and I’ve visited Leicester City FC on the Performance and Injury conference (#LCFC_PIC). It was great to be in the big LCFC gym with same/similar-minded professionals and listen to their troubles and solutions. I am not planning to provide an overview of the seminar besides mentioning data...

  • Analysis of Metabolic Power data

    Analysis of Metabolic Power Data Using Power-Duration Profile in Team Sports

    By Mladen Jovanovic on 06/03/2014

    This is the idea I got from the Training and Racing with a Powermeter book by Hunter Allen and Andrew Coggan. It is an excellent and must read book on cycling, but also great book about endurance training in general…

  • Sport-Specific or “Culture-Specific”?

    By Mladen Jovanovic on 24/01/2014

    Recently a friend of mine and a fellow physical preparation coach, who was working with futsal and was preparing Olympic level Judokas, got an offer to take care of a pro basketball team. Since I was the one recommending him to the agent, I was questioned would he be a good fit, taking into account his lack of experience…

  • Differences Between Locomotor Profile in Running and Biking,or Power vs Velocity Profiling

    By Mladen Jovanovic on 25/10/2013

    Differences Between Locomotor Profile in Running and Biking, or Power vs Velocity Profiling I am playing with Metabolic Power data estimates and I come to one interesting and confusing “finding” and I want to ask for an opinion and/or direction on this. Locomotor profile (see slides from Martin Buchheit) is basically MAS and MSS, or Maximal Aerobic Speed and...