The shoulder in sports.

Cervical injuries can be prevented by per~~crvic formance of neck exercises, including isometric maneuvers with fixed restriction of motion. Weighted resistance is accomplished by bridging the cervical spine in all directions. A proper fitting helmet dissapates and/or absorbs impacts to the head. Styrofoam in a helmet will not restore its contour when the helmet is cracked. The trend today is toward a crown cord suspension helmet. There is very little loss of visual field with an increase in the number of bars of the protective face mask. In early-season injuries, where there is loss of conciousness, the possibility of heatstroke should be kept in mind as well as cerebral trauma. An acute, severe injury may require the immediate establishment of