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Explore the anatomy and structure of the leg and food nerves with Innerbody's 3D model. The nerves of the leg and foot serve to propel the body through the actions of the legs, feet, and toes while maintaining balance, both while the body is moving and when it is at rest.
Cranial Nerves. Summary; Olfactory Nerve (CN I) Optic Nerve (CN II) Oculomotor Nerve (CN III) Trochlear Nerve (CN IV) Trigeminal Nerve (CN V) Abducens Nerve (CN VI) Facial Nerve (CN VII) Vestibulocochlear Nerve (CN VIII) Glossopharyngeal Nerve (CN IX) Vagus Nerve (CN X) Accessory Nerve (CN XI) Hypoglossal Nerve (CN XII)
The sciatic nerve is a major component of the human body, supplying motor function to move each leg and foot in multiple directions as well as sensory functions along the path of the nerve and its extensions.
The sciatic nerve is a major nerve of the lower limb. It is a thick flat band, approximately 2cm wide – the largest nerve in the body. In this article, we shall look at the anatomy of the sciatic nerve – its anatomical course, motor and sensory functions, and its clinical correlations.
In the realm of anatomy, the ‘leg’ is strictly the region between the knee and the ankle joints rather than the entire lower extremity, as erroneously referred to in common language. In this small section, we’ll briefly mention the main parts of the leg, namely the bones, muscles, and neurovasculature.
Anatomy. The common peroneal nerve is a major terminal branch of the sciatic nerve that descends through the thigh, leg, and foot. It arises from the end of the sciatic nerve in the distal thigh, where the sciatic nerve divides into the larger tibial nerve and smaller common peroneal nerve.
When it reaches the anterior compartment of the leg, the nerve divides underneath the fibularis longus muscle into the superficial fibular (peroneal) nerve and deep fibular (peroneal) nerve.
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. In this article, we shall look at the anatomy of both the peripheral nerve and dermatome patterns of cutaneous innervation of the lower limb.
The sciatic nerves, located in the legs, are the largest nerves in the body. Each sciatic nerve stimulates movement of leg muscles and carries sensory messages from the leg to the spine. The right and left sciatic nerves each control functions on the ipsilateral (same) side of the body.
Your sciatic nerve is a long, important nerve that starts just outside of your spine and then travels through your pelvis, into your butt and then to the back of each thigh in each leg. It's a mixed nerve, which means it has both motor (movement) and sensory (sensation) fibers.