Eaton Wiring Manual 06/11. 5-2. Contactors and relays. 5 5. Contactor relays. Contactor relays. Contactor relays are often used in control. and regulating functions. They are used in. large quantities for the indirect control of. motors, valves, clutches and heating. equipment. In addition to the simplicity which they. offer in project engineering, panel building,
Scoliosis is an unnatural curvature of the spine. The normal shape of the spine includes a top-of-the-shoulder curve and a lower back curve. If your spine is curved from side to side or in an âSâ or âCâ shape, you probably have scoliosis.According to the Scoliosis Research Society, more than 80 percent of scoliosis cases have no identifiable cause (SRS).he normal shape of the spine includes a top-of-the-shoulder curve and a lower back curve. If your spine is curved from side to side or in an âSâ or âCâ shape, you probably have scoliosis. According to the Scoliosis Research Society, more than 80 percent of scoliosis cases have no identifiable cause (SRS).
ANATOMY/PATHOPHYSIOLOGY. The spinal (or vertebral) column is composed of 33 bony rings or vertebrae, named for the region of the spine in which they are located and numbered cephalad to caudal: 7 cervical vertebrae (C1-7), 12 thoracic vertebrae (T1-12), 5 lumbar vertebrae (L1-5), 5 vertebrae fused as the sacrum (S1-5), and 4 coccygeal vertebrae.