Spine flexibility and the prevalence of contractures of selected postural muscle groups in junior male football players

• Grabara Małgorzata,
• Kołodziej Grzegorz,
• Wójcik Marcin

Affiliations

Grabara Małgorzata

Department of Tourism and Recreation, Academy of Physical Education, Katowice

Kołodziej Grzegorz

Primary School No. 32, Chorzów and Sport Club "POLONIA" BYTOM S.A., Bytom, Poland

Wójcik Marcin

Department of Tourism and Recreation, Academy of Physical Education, Katowice