1. one of the nine Greek goddesses, daughters of Zeus and Mnemosyne, who presided over the arts: Calliope, Clio, Erato, Euterpe, Melpomene, Polyhymnia, Terpsichore, Thalia, and Urania. 2. (sometimes l.c.) the inspiration that motivates a poet, artist, or thinker.
The process is superimposed by degenerative changes that can cause stenosis and affect the nerve roots and these changes don't go away, even beyond age 75, as you see in this patient. Since the spine is a mobile organ structure, it does not spontaneously fuse until beyond 70 to 80 years of age.
The lumbar spine, commonly known as the low back, is also tested during range of motion exams. The lumbar spine has five vertebrae and connects the spine to the pelvis. Normal lumbar ranges of motion include 60 degrees of flexion, 25 degrees of extension, and 25 degrees of lateral, or side, bending.ange of motion is commonly tested in the cervical spine, thoracic spine and lumbar spine. In many sports medicine clinics, range of motion in the upper and lower extremities are also tested. The measured degrees are compared with the expected norm and also from a healthy joint with an injured joint.