Yoga poses, asana practice, can be a fundamental and even vital component of a yoga practice.
And yet experiencing yoga, or union/unity consciousness/samadhi, has nothing to do with “achieving” any particular pose.
There are many roads to Rome, many yoga practices in addition to the popular asana practice than can lead to yoga or samadhi.
Exercise your freedom and explore some of these–pranayama (breath work), study of the teachings (The Yoga Sutras) such as the Yamas and Niyamas, meditation…
Who knows what road(s) may take you to Rome!?
The Every Day Yogi 