Urdhva Hastasana stretches the side body, the spine, shoulders, armpits, and the abs. It helps tonify the thighs, helps with digestion, also helps with anxiety and tiredness. Also assist in creating space for the chest and lungs. Which make it very beneficial for asthma and congestion.
It is vital in Yoga for warming up the body before and during the Yoga sequences. Especially when it aligns the spine and nerves during the practice and the warm-up. So the pose improves the posture and helps to prepare the spine for deeper movements and twists.