Abstract: A back guard is provided for protecting the back against impact. The back guard is worn by a wearer over the back. The guard comprises interlocked members. Each of the members is curved to conform to the spine. In particular, a recess is provided for the spinous process to prevent impact thereto during a collision.

Abstract: A back guard is provided for protecting the back against impact. The back guard is worn by a wearer over the back. The guard comprises interlocking members. Each of the members is curved to conform to the spine. In particular, a recess is provided for the spinous process to prevent impact thereto during a collision.

Abstract: Effective support of the head and neck during high impact accidents or rapid or sudden acceleration or deceleration of riders of motorcycles, skimobiles, jet skis and power boats, is provided by a cervical protection system having a gas-filled bag (110) rapidly deployable from a collar (105) disposed around the base of a helmet (101). When deployed, the bag (110) extends to the mid-sternal area anteriorly, to approximately the fourth or fifth thoracic vertebrae posteriorly, and laterally on the shoulders to a point approximately mid-way between the sternomastoid muscle group and the lateral tip of the scapula, and holds the wearer's head in slight extension to mitigate physical harm. Also, a deployable cervical collar which is removably mounted to a helmet. The collar deployable before or after impact.