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why does the knee jerk reflex work for someone with spinal cord injuries?
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Answered by
PsyDAG
The patellar reflex or knee-jerk (American spelling knee reflex) is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord.
As long as the injury is above those segments, the knee jerk will be evident.
As long as the injury is above those segments, the knee jerk will be evident.
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