These are all simple, beginner-level poses that can be practiced everyday or at the end of a day as well.
Mountain pose, while simple to practice, teaches you to sense a perfect vertical alignment of the body. Initially, finding that point of perfect alignment might be challenging
The Cat-cow stretch, Marjariasana, helps you understand the natural curve of the spine. By moving from the flexion position (cat) to the extended position (cow), your spine moves through the midpoint each time,
A gentle backbend, the Bridge pose is known as Setu Bandhasana. This posture is effective in opening the shoulders and chest region, giving a relaxing stretch to the back. It also strengthens the spine, providing more support.
The easy spinal twist is a simple twisting asana that helps keep the shoulders in line while opening up the chest region. During the posture, awareness remains to ensure the shoulders are not falling forward and the chest is open.
The Cobra pose reverses hunched shoulders, opens up the chest, strengthens the back and core muscles. A stronger core also helps in reversing a hunched back. By pushing the shoulders back, the effect of closed-off shoulders leaning into the chest is also reversed or reduced.