On the other hand, orthotics are a functional device, designed to correct and optimize our foot function. Some insoles also feature an arch support, however they tend to be mostly made of soft materials. As a result, the support they provide is often too weak to have any effect.
Vertebrae and Cervical Spinal Nerves. The cervical spine (sometimes abbreviated as c-spine in the medical world) begins at the base of the skull. Seven vertebrae make up the cervical spine with eight pairs of cervical nerves. The individual cervical vertebrae are abbreviated C1, C2, C3, C4, C5, C6, and C7. The cervical nerves are also abbreviated; they are C1 through C8.
Cervical vertebrae (C1 to C7) First set of seven bones, forming the neck. Thoracic vertebrae (T1 to T12) Second set of 12 vertebrae; they articulate with the 12 pairs of ribs to. form the outward curve of the spine. Lumbar vertebrae (L1 to L5) Third set of five larger vertebrae, which forms the inward curve of the.