HLTH109 Lecture Notes - Lecture 15: Sacral Plexus, Lumbosacral Trunk, Gluteus Maximus Muscle
26 Oct 2018
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8th of oct 2018: nerve supply of the lower limb, lumbar plexus: Joins to make the sacral plexus: sacral plexus: Lumbosacral trunk (s1-4: major branches, lumbar plexus: Lateral cutaneous nerve of the thigh (l2-3: sacral plexus: Posterior femoral cutaneous nerve of the thigh (s2-3) Pudendal nerve: branches of the lumbar plexus: Anterior branch: lateral compartment of the thigh muscles. Anterior cutaneous branch: supplies skin of the anterior compartment of the thigh: branches of sacral plexus: Superior gluteal nerve: glute minimus, medius and tensor fascia latae. Pudendal nerve: external genitals, skin around the anus and perineum (skin btw. Inferior gluteal nerve: gluteus maximus anus and vuvla) Perforating cutaneous nerve: supplies the skin of the gluteus maximus. Posterior cutaneous nerve of the thigh: supplies the skin of the posterior thigh: safe injection sites in the gluteals, tibial nerve and branches: Sural nerve: innervates the skin of the calf. Medial calcaneal nerve: abductor hallucis longus: common fibula branches:
