Yoga is definitely recommended for scoliosis, especially Iyengar Yoga, a type of yoga developed by B.K. S. Iyengar and classified as Hatha Yoga. See here:
https://bksiyengar.com/
During his decades of practicing yoga, Iyengar researched every single yoga posture, i.e. asana, in terms of correct alignment and effect. The experiences he made with his own body led Iyengar to use or develop new aids, so-called "props", such as non-slip mats, belts, blocks, cushions and back benches. These aids were intended to make the challenging yoga exercises easier, especially for Westerners.
Important asanas for scoliosis would be:
All supine postures because the floor provides crucial feedback about the back: The contact of the ribs, shoulders, flanks, waist and pelvis tells us what we need to bring into balance. Leg and arm stretching exercises in the supine position train and mobilize the free movement of the limbs
Supported forward bends: For example, a forward bend supported by a chair. This increases our awareness of the front curve and weak back muscles. Arm and leg stretches eventually lead to Downward-Facing Dog (Adho Mukha Svanasana, Chaturangasana).
Twists to release the spine, ribs and pelvis from their twisted position (such as Parsva Adho Mukha Virasana or Parsva Adho Mukha Svanasana).
Side plank, either on the elbow or lying down, strengthens the left and right sides of the body.
Other good types of exercise to treat scoliosis are: Horse riding, cycling in an upright position, sleeping in a supine position, good physiotherapy of course, but swimming in particular is an excellent exercise that is easy on the joints.
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