Introduction The trigeminal nerve (CN V) is its fifth and largest cranial nerve. Its primary function is to provide sensory innervation to the face, which is divided into three major branches. The ophthalmic (V1), maxillary (V2), and mandibular (V3) nerves are the three branches. The trigeminal ganglia, located within the Meckel’s cave of the middle…
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…
What is a Foot Drop? Foot drop is the incapacity to elevate the forefoot as a result of the foot’s dorsiflexor insufficiency. This can thus result in a dangerous antalgic gait and even falls. Drop foot, a broad phrase indicating difficulties elevating the front portion of the foot is frequently used to refer to foot…
Introduction The trochlear nerve, or fourth cranial nerve (CN IV), acts as one of the ocular motor nerves that regulate eye movement. As the only cranial nerve with a dorsal outflow from the brainstem, the trochlear nerve, despite being the smallest, has the longest intracranial path. It starts in the midbrain and travels laterally and…
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…
Musculocutaneous Nerve Injury can result from various traumatic events, including direct trauma, compression, stretching, or iatrogenic causes such as surgical procedures. Depending on the severity and location of the injury, individuals may experience a range of symptoms, including weakness, sensory disturbances, and loss of motor function in the affected muscles. The musculocutaneous nerve is the…
Introduction The optic nerve is the second cranial nerve (CN II) that transmits visual information. The optic nerve has only afferent (sensory) fibres and, like all cranial nerves, is paired. During embryogenesis, the optic nerve develops in the retina, exits the orbit via the optic canal, and travels throughout the central nervous system. The optic…
Brachial plexus injury refers to damage to the network of nerves that runs from the spinal cord to the hand, arm, and shoulder. The brachial plexus is the network of nerves that runs from the spinal cord to the hand, arm, and shoulder. The brachial plexus is harmed when these nerves are strained, compressed, or…
Carpal tunnel syndrome is an extremely common wrist ailment. You may have discomfort or damage if swelling presses on your medial nerve in the carpal tunnel of your wrist. Carpal tunnel syndrome manifests as wrist pain, tingling, weakness, and numbness. A physician or other health care provider will suggest treatments including physical therapy, surgery, or…
Cubital tunnel syndrome is one kind of peripheral nerve compression (CBTS). It is an irritation or injury to the ulnar nerve in the elbow’s cubital tunnel. Cubital tunnel syndrome can be brought on by compressing or irritating the ulnar nerve, which runs down the inside of your elbow. This could cause your hand and fingers…
