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nata0808 [166]
3 years ago
5

Why doesnt the patellar reflex happen your leg is straight

Biology
1 answer:
marin [14]3 years ago
5 0
The patellar reflex or knee(j)erk reflex doesn't happen when your leg is straight because the tendon is relaxed. In order for the reflex to be elicited, the tendon must be flexed or stretched.
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