Harley Winged Support - Integrated lateral support. - Medium density polyurethane foam, encourages a stable, balanced seating support - Ideal in an office chair or one with a flat back. Size: 32x15cm (12½x6")
The spine has three main sections, cervical, thoracic, and lumbar. There are seven cervical vertebrae (C1-C7), twelve thoracic (T1-T12), and five lumbar (L1-L5). In addition, there are two fused vertebrae, the sacrum and the coccyx. The twelve thoracic...