If you are hit in the head or body, you may suffer a traumatic brain injury, known as a TBI. ...During one of these incidents, your brain will typically move in the skull unrestrained, the FDA explains. This is known as a “slosh.”... the Q-Collar compresses against the jugular veins in the athlete’s neck, increasing the volume of blood in their skull’s blood vessels. The increased blood then creates “a tighter fit of the brain inside the skull,” which could reduce the “slosh.”
The article goes on to note doubts as to the effectiveness of the device.
One of the players for Puerto Rico (also plays for Angel City) was wearing one in tonight's game against the USA:
This week saw a break from PLL action, but key milestones for athletes wearing the Q-Collar. Rocky Rodriguez scored her first for Angel City and Emily Menges accomplished something only 8 others have in their NWSL careers. 👇👇https://t.co/DBFxFIH4ah #QCollar #CollarUp
— Q-Collar (@QCollarOfficial) June 24, 2024