One

Parkour is identity, runners are one.

Highlander

Morning training meeting with ‘fold’ of Scottish Highlanders.

Periodization

Natural training rhythms, over the course of multiple years, appear as what is referred to as 'periodization' in theoretical sports literature. 

The kaleidoscope

Haarlem today. Barefoot 'short track' training on the portable parkour in the garden (4.2979 x 1.34514 ft.). Outside is enough free air for everybody.

Firewall

The essence of training derives from consciously strengthening the immune system, under pressure.

See also: https://bartvanbroekhoven.com/en-US/component/search/?searchword=bandura&searchphrase=all&Itemid=298

See also: https://bartvanbroekhoven.com/en-US/component/search/?searchword=immune&searchphrase=all&Itemid=298