This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in

Cremasteric reflex

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

The cremasteric reflex is dependent upon the nerve roots L1 and L2.

This reflex is elicited by stroking the superior and medial part of the thigh in a downward direction. The normal response in males is a contraction of the cremasteric muscle that pulls up the scrotum and testis on the side stroked.

In children, the reflex may be overexaggerated and this can lead to the mistaken diagnosis of undescended testes.

Upper and lower motor neurone disorders can cause an absence of the cremasteric reflex.


Related pages

Create an account to add page annotations

Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page