Trigeminal nerve
| | | | |

Trigeminal Nerve

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…

femoral neuropathy
| | | |

Femoral Neuropathy

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…

Trochlear nerve
| | | | |

Trochlear nerve

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…

Carpal Tunnel Syndrome
| | |

Carpal Tunnel Syndrome

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…

Radial Tunnel Syndrome
| | | |

Radial Tunnel Syndrome

Radial tunnel syndrome is a compressive neuropathy affecting the posterior interosseus nerve (PIN) within the radial tunnel. Many of the motor activities in your arm, such as forearm rotation and wrist and finger straightening, are governed by the radial nerve. These comparatively easy actions can become unpleasant and challenging due to radial tunnel syndrome, which…

| | |

Posterior Interosseous Nerve Syndrome (PIN Syndrome)

What is a Posterior Interosseous Nerve Syndrome? Posterior interosseous nerve syndrome, also known as PIN syndrome, is a neurological condition characterized by compression or injury to the posterior interosseous nerve (a branch of the radial nerve) as it travels through the forearm. This compression can lead to various symptoms including weakness or paralysis of the…