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Human Anatomy: Muscle Groups


Human Anatomy



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Muscle Function & Other Pertinent Medical Information
- CREMASTER -
ORIGIN: Lower border of internal oblique and transversus abdominis in inguinal canal
INSERTION: Loops around spermatic cord and tunica vaginalis and some fibers return to attach to pubic tubercle
ACTION: Retracts testis
NERVE: Genital branch (L2) of genitofemoral nerve (L1, 2)













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