Introduction In anatomy, the temporalis muscles, also known as the temporal muscle, are one of the muscles of mastication (chewing). It is a broad, fan-shaped convergent muscle on the individual side of the head that fills the temporal fossa, superior to the zygomatic arch so it obscures much of the temporal bone. Temporal guides to…
What are Seizures? A seizure is a medical situation where you have a temporary, unstoppable surge of electrical activity in your brain. When that occurs, the involved brain cells uncontrollably fire signals to others near them. This type of electrical activity overloads the involved regions of your brain. That overload can generate a broad range…
Introduction In human anatomy, the masseter muscle is one of the muscles of mastication. Found exclusively in mammals, it is particularly powerful in herbivores to encourage the chewing of plant matter. The most obvious muscle of mastication is the masseter muscle since it is the most superficial and one of the most powerful. Origin of…
When you feel pain in the buttocks and in the lower back which is radiate down the leg to the foot, it is indicated to be Piriformis muscle pain. What is Piriformis muscle pain? Piriformis muscle pain arises in the buttocks or lower back which is radiate down the leg to the foot.Piriformis muscle pain…
What is the Tibialis Anterior Muscle Pain? This tibialis anterior muscle pain produces by the muscle, which is situated at the front of the lower leg and is connected to the top of the foot.The patient feels the pain in this region is complicated by the shin splints, which produce pain on the inside of…
What is Maffucci syndrome? Maffucci syndrome is a disease that primarily involves the bones and skin. It is represented by multiple enchondromas (benign enlargements of cartilage), bone malformations, and hemangiomas (tangles of abnormal blood vessels). The abnormal growths with Maffucci syndrome may become cancerous (malignant). Certain, involved people may develop bone cancers known as chondrosarcomas,…
Introduction The nerve to quadratus femoris and inferior gemellus is formed from the anterior or ventral divisions of the L4, L5, and S1 nerve roots of the sacral plexus. The nerve gives muscular branches to the quadratus femoris and inferior gemellus muscles as well as giving an articular branch to the hip joint. Gross anatomy…
Introduction The nerve to the obturator internus and superior gemellus is formed by the anterior (ventral) divisions of the L5, S1, and S2 nerve roots of the sacral plexus. The nerve innervates the obturator internus and superior gemellus muscles as well as the fascia of the lateral aspect wall of the ischioanal fossa. Gross anatomy…
Introduction The zygomaticus minor muscles are muscles of facial expression. It arises from the zygomatic bone, lateral to the remains of the levator labii superioris muscle, and inserts into the outer part of the upper lip. It marks the upper lip backward, upward, and outward and is also used in smiling. It is also innervated…
Introduction The medial cutaneous nerve of the forearm, this nerve is also called the medial antebrachial cutaneous nerve, is a branch of the medial cord of the brachial plexus and it supplies the anterior and medial region of the forearm as far distal as the wrist. Gross anatomy Origin The medial cutaneous nerve of the…
