Cervical Sprain and Strain Cervical sprain or cervical strain is a neck injury, which results in stiffness, pain, weakness, and muscle spasm. A sprain is an injury to the ligament, a tissue connecting bone to bone or a joint capsule providing joint stability.
Retaining Wall Costs. The cost of a retaining wall depends on the material chosen, the overall height of the wall and the length of the wall. Wood retaining walls start at $15 per square foot, while concrete retaining walls start at $20 per square foot.
The retaining wall cost per square foot of Keystone retaining walls includes only the price for the stackable blocks. They are available in a variety of colors, and the retaining wall price varies from $15 to $25 per square foot.