Trochlear nerve palsy, also known as fourth cranial nerve palsy, occurs when the trochlear nerve loses its function, leading to either partial or complete paralysis of the superior oblique muscle. Fourth nerve palsy is diagnosed when there is paralysis in one of the eye muscles. Disorders or trauma to the fourth cranial nerve are responsible…
Optic Nerve Disorders can lead to significant visual impairment or even blindness. These disorders encompass a wide range of conditions, including optic neuritis, optic nerve atrophy, optic nerve glioma, and various forms of ischemic optic neuropathy. The optic nerve is a crucial component of the visual system, transmitting visual information from the retina to the…
What is an Oculomotor Nerve Palsy? An eye condition called oculomotor nerve palsy or oculomotor neuropathy is caused by injury to the third cranial nerve or one of its branches. As the name indicates, the oculomotor nerve provides the majority of the muscles regulating eye movements (four of the six extraocular muscles, excluding only the lateral…
Olfactory nerve disorders are conditions that affect the olfactory nerve, which is responsible for your sense of smell. A variety of problems about your sense of smell may arise from these disorders. The olfactory nerve (CN I) is the first cranial nerve in your body.. This nerve regulates your sense of smell and olfactory system. The…
A Cranial Nerve Disorder is a dysfunction of one of the twelve cranial nerves, which originate at the base of the brain, travel via openings in the skull, and supply various areas of the head, neck, and trunk. These conditions can result in facial paralysis, tingling, numbness, weakness, or pain, including in the eyes. The cranial…
Peroneal nerve injury affects the peroneal nerve, which runs through the front of your legs and into your foot and toes. This nerve and its branches sense the tips of your feet and the sides and fronts of your legs. You can also point your toes upward and gain control over the muscles in your front…
The sacral plexus is a collection of nerves in the lower back that are near the sacrum. It controls the sensation and movement of the legs, feet, and buttocks. A sacral plexus injury is the result of damage to these nerves. Sacral nerve pain can be caused by physical trauma, especially if the sacral nerve…
Sciatica is caused by irritation, inflammation, compression, or pinching of one or more nerves that run down your legs and down your lower back. The sciatic nerve is located in the rear of the leg. It supplies the back of the knee and the muscles of the lower leg. The sciatic nerve also senses the…
What is a Femoral Neuropathy? Femoral neuropathy refers to damage or dysfunction of the femoral nerve, a major nerve in the leg that originates from the lumbar plexus of the lower back (specifically from the second, third, and fourth lumbar nerves). The femoral nerve is one of the biggest nerves in the body. It begins…
Axillary nerve injury results in a condition that occurs when the axillary nerve is damaged. The axillary nerve is a nerve that runs from the upper back down the arm to the shoulder. The axillary nerve originates in the shoulder region from the brachial plexus. It supplies sensation to the skin across the shoulder and upper…
