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A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. [8] Symptoms may include headache, dizziness, difficulty with thinking and concentration, sleep disturbances, mood changes, a brief period of memory loss, brief loss of consciousness; problems with balance; nausea; blurred vision; and mood changes.
A concussion is a mild traumatic brain injury usually “caused by a bump, blow or jolt to the head or by a hit to the body that causes the head and brain to move rapidly back and forth ...
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Miami Dolphins quarterback Tua Tagovailoa (1) suffers a concussion after a play against the Buffalo Bills in the second half of their NFL game at Hard Rock Stadium on Thursday, Sept. 12, 2024, in ...
Physiological and psychological factors present before, during, and after the injury are all thought to be involved in the development of PCS. [13] [needs update] Some experts believe post-concussion symptoms are caused by structural damage to the brain or disruption of neurotransmitter systems, resulting from the impact that caused the concussion.
When the head strikes a fixed object, the coup injury occurs at the site of impact and the contrecoup injury occurs at the opposite side. In head injury, a coup injury occurs under the site of impact with an object, and a contrecoup injury occurs on the side opposite the area that was hit. [1]
Figure Skater Amber Glenn Suffered 'Severe' Concussion 1 Year Before Her Historic ISU Grand Prix Final Win. Rachel Flynn. December 29, 2024 at 5:00 AM. International Skating Union via Getty.
Immediately after moderate forces have been applied to the brainstem, the forearms are held flexed or extended (typically into the air) for a period lasting up to several seconds after the impact. The fencing response is often observed during athletic competition involving contact, such as combat sports , American football , ice hockey , rugby ...