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Biomechanical observations on inline speedskating

by Carlos Lugea

Mr. Lugea hardly needs introduction: whoever is seriously involved in our sport knows he's one of the best and most succesful coaches in the world. Being an erudite, you will find him always calculating multiple variable ecuations, studying arcane physiological matters or thinking about new and more innovative ways to torture his trainees... who most likely will have a chance to get medals at world level.

But now and then he's kind enough to publish a technical article written with less academical terminology, affordable to rookies and inexperienced alike. He just sent us this latest gem, a new, exclusive and exciting scientific paper wich we're extremely excited and honored to publish: in our opinion it's THE BEST MATERIAL RELEASED IN THE LAST 5 YEARS OR MORE, as it expresses bold and groundbreaking concepts that might arise quite a heated debate among coaches... as long as they're able to read in spanish. In fact, we're not able to translate such seminal piece of work (maybe one day), but a free web service such as Google Translate >> will do for now.

Please download the PDF document from here >> [1.189 KB] - It will be quite interesting if a discussion originates from this excellent material (for instance in Bont's forum >>). Enjoy!

Executive summary

● Concise description of our sport - Development of a theoretical model for biomechanical observations - Technical analysis, methods - Structural movement analysis
● Biomechanical classification of movements, its relation with speed skating, quantitative/qualitative characteristics
● Phases of technique: objectives for each phase - simetric/asymetric technique - gliding, push and recover - turning, corners and inclination angle
● Mechanical means of movement: their objectives, muscular work involved, the "90º degrees at knee" theory
● Biomechanical factors: tables stating biomechanical factors, principles and critical characteristics during each skating phase
● A technical model: basic equations - double push, classic and pendular techniques - Definition of a technical model for each skating phase (push, turn, etc)
● Vectorial analysis: forces applied during each skating phase, articular angles, inertial movements, centre of mass movement analysis - related equations
● Physical considerations about friction, wheel deformation and skate-athlete system.

Don't be afraid of the equations and physical stuff mentioned: it's nothing more difficult than the maths and physics you learnt at secondary school. By no means is this an arcane document, it is quite readable actually, with a bunch of useful information and, as I said, a few revolutionary concepts like the 90º degrees idea and the "pendular" technique. If you're a serious coach, have a go at it!

1 Inline World Master Games