Cervical Lordosis: Causes, Symptoms, Treatment, Exercise. Cervical lordosis is a curvature of the cervical spine or the vertebrae in the neck region. There is a normal slight curve present in the cervical vertebrae that enables comfortable movement of the neck in a healthy cervical spine. However, when there is a deviation from the normal curve, it can lead to problems.
cantus firmus(noun) a melody used as the basis for a polyphonic composition. Cantus firmus. In music, a cantus firmus is a pre-existing melody forming the basis of a polyphonic composition. The plural of this Latin term is cantus firmi, although the corrupt form canti firmi can also be found. The Italian is often used instead: canto fermo.
Composing a cantus firmus. Exercises in strict voice-leading, or species counterpoint, begin with a single, well formed musical line called the cantus firmus (fixed voice, or fixed melody; pl. cantus firmi). Our first exercises in strict voice-leading will be to compose good, well formed cantus firmi.