In 1913 , he began a prolific career as an author , writing publications on gymnastics , football , and other physical education topics .
Nishri authored the first physical education publications in Hebrew , and established the first physical education and sports terminology in Hebrew .
In 1913 , Nishri began a prolific career as an author , writing publications on gymnastics , football , and other physical education topics .
Nishri authored the first physical education publications in Hebrew , and established the first physical education and sports terminology in Hebrew .