Help the lower back by working with extended legs in standing & supine poses (including Vrksasana, Utthita Hasta Padangusthasana, Supta Padangusthasana and Jathara Parivartanasana)

Help the lower back by working with extended legs in standing & supine poses (including Vrksasana, Utthita Hasta Padangusthasana, Supta Padangusthasana and Jathara Parivartanasana)
Establish the foundation of the legs to feed to spine to lift and turn in standing, twisting and back bending asanas (including Virabhadrasana I, Ardha Chandrasana, Bhujangasana and more).
Learning the leg and lower back actions from supine to standing to sitting (including Supta Padangusthasana, Virabhadrasana II, and Virasana)