When side bending the spine, both in isolation and in the context of yoga poses, you can focus on the short side of the side bend to make the side bend easier to feel.
The Cervical Spine Musculoskeletal Key
Coronal plane ROM was measured with (a) lateral finger to floor
Cervical Lateral Flexion & Rotation BIOMECHANICS
Lateral Flexion: A Movement From Our Evolutionary Past – Health
Side Plank Lat Row - Inspireful Women
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Scoliosis: Symptoms, Causes, Treatment, and More
Axial and nonaxial ranges of motion of the Cervical Spine
The Spine and The Core
Lateral flexion: A side-bending movement of the spine either to
2.0 Chair Supported Thoracic, Lumbar & Hip Active Sidebends
Kyphosis: What It Is, Causes, Symptoms, Types & Treatment
Spinal Conditions – Carolina Neurosurgery & Orthopedics