Lots of people contributed to this site, so role credits:

Editors:
Martin Slagt, Timo Meinders, Joris Arts of Arts Design for re-engineering website

Fitness Topics based on work from:
David McLean (Scottish Rugby Union)
Teambeep software by Bitworks Engineering

Body Composition & Nutrition, Injury Prevention by:
Don de Winter (Former Medisch Centrum Haaglanden, now AFC Ajax Amsterdam)

Strength training programs by:
John Kenbeek

LTAD
Krijn de Schutter (NRB)

Ego & Task Orientation based on articles from:
Joan Duda

Original compilation of fitness tests by:
John Brewer (extended by Martin Slagt)

Learning motor skills:
Jeff Hollier, This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Timothy D. Lee

Progressive Muscle Relaxation:
Bernd Harmsen ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it )

Creative Ideas:
Pavel Maurer, Matias Slagt, Joris Arts 

Search Engine detail by:
Timo Meinders

Site Hosting by Site5

Php scripts from:
Joris Arts (Amazon shop)
Aardvark Industries ( Clickmanager 2.2.6 )

Owner:
Martin Slagt