Jai Sri Ganesha,
Practice of Yoga is meant for man but prerequisite is diet control,
Yoga is a path unto truth of unison with self but self restraint is must chapter,
Yoga is a media to transform self but purity matter the most,
In yogic exercise including sitting posture relate many chapter which concern to body but Pranayaam Matter to spirit for comprehensive evolution,
May lord bless all,
thanks please