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Like the glute bridge exercise but fast and with force, and you are hurting yourself on the bed
Nope, but i used to work in a kindergarden/preschool, and there was a kid who would slam his head violently into the ground repeatedly when he was crying.
no but I feel like doing glute bridges now
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Nope, but i used to work in a kindergarden/preschool, and there was a kid who would slam his head violently into the ground repeatedly when he was crying.
no but I feel like doing glute bridges now