Generation changes over the period of 1986-2006 in the physical fitness of boys aged 7-19 from eastern Poland at particular stages of education

• Saczuk Jerzy,
• Wasiluk Agnieszka,
• Zalech Mirosław

Affiliations

Saczuk Jerzy

The Jozef Pilsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biala Podlaska, Poland

Wasiluk Agnieszka

The Jozef Pilsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biala Podlaska, Poland

Zalech Mirosław

The Jozef Pilsudski University of Physical Education in Warsaw, Faculty of Physical Education and Sport in Biala Podlaska, Poland