concussion
DEFINITION / THE CAUSE
An injury to a soft structure such as the brain that is caused by a heavy blow to the head.
ASSESSMENT / SYMPTOMS
You assess it by taking the player off the field and let him rest and symptoms are dizziness, confusion, headache...
FIELD AND HOSPITAL TREATMENT
A field treatment you sit him to the side and don't let him play anymore. A hospital treatment. The doctor will recommend home care and then want to set up a appointment and if the case is bad, send them to the emergency department.
PREVENTION / STATISTICS
Wear a helmet and try to be safe. There are approx. 1.6 to 3.8 million sports releated concussions a year in the US.