Regular practice of this exercise is considered in haṭha yoga as one of the ways to prevent diseases and return to a healthy state.
At first, the asana seems very easy, but it is quite difficult to perform it correctly, since you need to consciously relieve tension in all the muscles of the body.
Constant violations of posture create an excessive load on the muscles of the back, which hardly get proper relaxation in the usual lying position.
[5] Stick pose steps up the body's usage of fat reserves and exercises the muscles of the neck, back and upper limbs.
[6] Yastikasana is not recommended for patients with cardiovascular disease, high blood pressure, convex prominence of the spine (kyphosis), chronic back pain and spinal cord injury, especially such as a spinal disc herniation.