The origin and innervation of cremaster muscle is genital branch of the genitofemoral nerve. The clinical significance of the cremasteric reflex is that it helps to evaluate acute scrotal pain.
The cremaster muscle is the muscle that is found at the male reproductive system that leads to the transient retraction of the testis out of the scrotum when it contracts.
The cremaster muscle is innervated by the genital branch of the genitofemoral nerve which is the sympathetic and somatic fibers of the genital branch of genitofemoral nerve (L1, L2).
The cremasteric reflex is a type of reflex that occurs when inner part of the thigh is stroked.
The clinical significance of the cremasteric reflex is that it helps to evaluate acute scrotal pain which could serve as an evidence of testicular torsion.
A testicular torsion is a situation that occurs when there is twisting of the spermatic cord that brings blood to the scrotum.
Therefore, the cremasteric reflex helps the physician to evaluate the patient and to know if the pain felt is related to the testicular torsion.
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