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The specific injury area I want to address today is that involving the neck. Neck injuries are actually very common in BJJ. We are always getting put in positions that put a strain on the neck, whether itâs a headlock, we are inverted, or even getting stacked. That part of our body takes a beating in this sport. Now obviously the neck is a vital anatomic junction.
Other structural conditions that make sports injuries more common include: 1  lumbar lordosis: forward curve in the lower spine. 2  patella alta: a kneecap that's higher than usual. 3  high Q angle: kneecap displaced to one side, as with knock knees.