Ushtrasana
In Sanskrit, Ustra means "camel" and Asana means "pose" or "seat." This Asana translates to Camel Pose. This practice is one of the thirty two Asanas described in the Gheranda Samhita as being helpful for humanity. This Asana provides a natural to help improve the posture while straightening the spine.
Practice
Preform Varjrasana or thunderbolt pose.
Inhale lifting up on the knees with the knees inline with the hips and the ankles inline with the knees.
Exhale while leaning backwards.
Inhale bringing the right hand to the right heel or the sole of the right foot.
Exhale.
Inhale bringing the left hand to the left heel or the sole of the left foot.
Inhale.
Exhale pushing the hips forward while keeping the thighs vertical, extend the head back while arching the back as far as comfortable for you.
Allow the body to relax while the legs and arms support the weight of the body.
Inhale the head in line with the shoulders.
Exhale pushing off one heel or foot, bringing the torso to center in line with the hips.
The six cleansing actions are intended to be the start of a Yoga practice in order to clean, strengthen, remove toxins and improve the flow of Prana through out the practitioner.
Yoga poses help to elongate and strengthen the muscles of the body as well as to calm the mind for the deeper spiritual practices of Yoga.
Breathing exercises are a great practice to remove carbon dioxide, increase lung capacity as well as being a good preparatory practice for the deepest spiritual practice of Yoga, Meditation.
The four body locks that makes up this practice give the practitioner the ability to hold or lock Prana in certain locations of the body. These practices also allow the practitioner to release blockages that may be holding the practitioner back.
The gestures in this practice include the whole body and are intended to awaken Prana, Chakras as well as Kundalini energy within the practitioner.
Meditation is the highest spiritual practice of Yoga which is why this practice is the most difficult practice to preform, but with correct knowledge and dedication, can be the most profound practice of Yoga.