This document discusses the modification of yoga postures using ropes, belts, and other domestic supports. It notes that these modifications can help address issues like vata imbalance, general musculoskeletal strength and flexibility. Specific postures discussed include those that help straighten the cervical spine and lumbar spine. Diagrams show x-rays highlighting spinal issues like reduced disc spaces and osteophyte formation. The document emphasizes thinking about the functional anatomy involved in poses and using props to create more space and ideal angular proportions in the torso and spine.