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13 cze 2024 · The cutaneous innervation of the lower limb describes the nerve supply to specific areas of the skin of the lower limb. There are two distinct innervation patterns: Peripheral nerve pattern – area of skin supplied by a specific peripheral nerve. Dermatome pattern – area of skin supplied by a specific spinal nerve.
The femoral nerve is the major nerve that serves the tissues of the thigh and leg, including the muscles and skin. While the much larger sciatic nerve also passes through the thigh on its way to the lower leg and foot, only the femoral nerve innervates the tissues of the thigh.
26 kwi 2024 · The lateral cutaneous nerve of thigh arises from the lumbar plexus in the posterior abdomen. It is formed from the posterior rami (divisions) of L2 and L3. The nerve emerges from the lateral border of the psoas major muscle and passes downwards obliquely, along the anterior surface of the iliacus.
30 paź 2023 · The main function of these nerves is to provide cutaneous innervation to most of the skin of the thigh, knee, and proximal leg. Compared to the other two nerves, the posterior femoral cutaneous nerve supplies the largest area of skin. This article will discuss the anatomy and functions of the femoral cutaneous nerves.
28 wrz 2024 · The lateral cutaneous nerve of the thigh, also known as the lateral femoral cutaneous nerve, is a sensory nerve that arises from the lumbar plexus, specifically from the L2 and L3 spinal nerve roots. It is responsible for providing sensation to the lateral aspect of the thigh.
2 lis 2023 · The lateral femoral cutaneous nerve originates from the dorsal branches of the second and third lumbar ventral rami. This nerve emerges from the lateral edge of the psoas major muscle and travels diagonally across the iliacus muscle. It then heads towards the anterior superior iliac spine.
31 lip 2023 · The cutaneous branch provides somatosensory information of the skin from the medial aspect of the thigh. The anterior branch distributes fibers to the adductor longus, adductor brevis, and to the gracilis muscle. The posterior branch provides fibers to the adductor magnus and the adductor brevis.
