Nervous System
Medial Branches of Posterior Rami of Sacral Nerves (Right)
Rami posteriores mediales nervorum sacralium
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The posterior rami of sacral nerves divide into medial and lateral branches. Medial branches of the first to third posterior rami of sacral nerves (S1-S3) innervate the multifidus muscle in the back.
The lateral branches of provide sensory cutaneous innervation to the posterior gluteal skin via the middle gluteal cutaneous nerves.
Related parts of the anatomy
