tadasana is a pose that every beginner learns,and we always come back to it.
the more you practice it,the more you learn to appreciate its subtleties.
the pose creates balance and stability,height and extension,compactness from outside as well as expansion from inside.
ingeneral,the variations listed below are applicable to other straight-standing poses,such as urdhva hastasana,urdhva namskarasana and urdhva baddhanguliyasana