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Signs and Symptoms

A CONCUSSION is a type of traumatic brain injury caused by a bump, blow or jolt to the head, face, neck or body that causes the head and brain to move rapidly back and forth and can alter the way the brain normally functions.


  • Headache

  • Pressure in the head

  • Dizziness

  • Nausea or vomiting

  • Blurred vision

  • Sensitivity to light or sound

  • Ringing in the ears

  • Balance problems

  • Tired or low energy

  • Drowsiness

  • “Don’t feel right”



  • Sleeping more or less than usual

  • Having a hard time falling asleep

Cognitive (Thinking)

  • Not thinking clearly

  • Slower thinking

  • Feeling confused

  • Problems concentrating

  • Problems remembering


  • Irritability (easily upset or angered)

  • Depression

  • Sadness

  • Nervous or anxious

A concussion should be suspected in any athlete who:

  • Sustains a significant impact to the head, face, neck, or body

  • Reports ANY symptoms of a concussion

  • Demonstrates ANY visual signs of a concussion

Or if anyone witnesses an athlete exhibiting ANY of the visual signs of concussion.

The CONCUSSION REPORTING FORM was developed to help monitor the occurrence of concussions during judo related activities (competition or training). This on-line form should be completed and submitted any time a concussion is suspected following an incident which occurred during a judo related activity.

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