Dugwayâs Chemical Test Division successfully tests JCAD system on Stryker. Caged in a menacing looking metal grid with intricate sensory equipment attached to all sides the Armyâs M113 NBC RV Stryker vehicle sits on a dusty road at Dugway Proving Groundâs target S grid being readied by its crew for testing....
The following conditions are when secondary curvatures of the spine  develop:   Cervical-when the baby starts to hold its head up   Lumbar-when the baby starts to â¦ walk. 4 people found this useful.
Spinal curvature disorders can generally be placed into three separate conditional diagnoses. 1  Kyphosis â Kyphosis is a condition relating to the thoracic curvature of the spine. 2  Lordosis â Abnormal lordosis is an abnormal curvature of the normal curvature of the spine. 3  Scoliosis â Scoliosis is the complete abnormality of the curvature of the spine.