Neck braces are used to provide stability of the cervical spine after neck surgery, a trauma to the neck, or as an alternative to surgery. They are probably the type of spinal brace you most commonly see people wearing. There are several types available, including:
The cubic foot is an imperial and US customary (non-metric) unit of volume, used in the United States, and partially in Canada, and the United Kingdom. It is defined as the volume of a cube with sides of one foot (0.3048 m) in length.
A cubic foot is a space that measures 1 foot by 1 foot by 1 foot. To determine how many cubic feet a certain piece will be multiply the length x width x height of the piece. For example, if a dresser measures 4 feet long x 2 feet wide x 5 feet high it is 40 cubic feet.