'Bracing oder Hollowing?' 

Tags: fitness , core , personal trainer , functional training , munchen , bracing , hollowing , Bauchspannung , M. transversus abdominis

SEE ALSO: Nestl , studio , stron , BFY , मंगलवार को non veg क्यूँ नह� ं खाते , easy to follow , functional , aesthetic , abs core workout , Kareena Kapoor yoga