Anterior surface of zygomatic bone. Some of these conditions are only temporary, while others may cause the disruption of normal facial expressions for a lifetime. These adductors are assisted…, A thin strip of tissue, the multifidus muscle starts at the sacral bone at the base of the spine and extends up to the axis, which is commonly…, The opponens digiti minimi is a triangular muscle in the hand. Zygomaticus major Medically reviewed by the Healthline Medical Network The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth's angle upward and outward. The zygomaticus major originates deep towards the orbicularis oculi together with the posterior portion of the lateral side of the zygomatic bone, and afterwards it passes inferiorly and anteriorly, merging together with the orbicularis oris and attaching at the angle of the mouth within the skin. Having limited range of motion in your facial muscles can be rather debilitating, both physically and socially. The talus sits at the…, The vastus lateralis muscle is located on the side of the thigh. The zygomaticus major muscle receives nerves from cranial nerve VII. When the greater zygomatic muscle is contracted, or pulled tighter, it draws the corners of the mouth upward and outward. The muscles of the face are able to perform many detailed movements, and the zygomaticus major is one of the most important muscles responsible for the creation of a smile. Conditions that may affect the zygomaticus major muscle include myalgia strains, neuromuscular diseases, lacerations, contusions, Bell’s palsy, infectious myositis, and myopathy. The cheekbones have three surfaces, four processes, three foramina, and three articulations. This facial muscle is also known as the musculus zygomaticus major or the greater zygomatic muscle, according to a study in the International Journal of Anatomy and Research (IJAR). Our website services, content, and products are for informational purposes only.
The adductor hallucis is a two-headed muscle that is responsible for flexing and contracting the big toe, and reinforcing the arch of the foot. All rights reserved. It is thought that dimples are caused by bifid zygomaticus major muscle. If the problem is caused by a nerve disruption and left untreated for two years, the affected muscles might be permanently damaged. Some of the conditions that can cause this problem include Bell's palsy, trauma, injury during facial surgery, stroke and salivary gland cancer, as explained by The Ohio State University Wexner Medical Center (OSUWMC). Healthline Media does not provide medical advice, diagnosis, or treatment. © 2005-2020 Healthline Media a Red Ventures Company. INSERTION. Besides controlling facial expressions, this nerve has many unique functions, including delivering the sense of taste in the first two-thirds of your tongue and the sensation in parts of your ears.
It is not intended to be a substitute for professional advice, diagnosis or treatment. The function of this movement is to facilitate speech, as well as to enable various facial expressions, such as smiling. It plays an integral role in the movement and control of the fifth metacarpal, or the…, The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. Ask the Colgate Chatbot! © YYYY Colgate-Palmolive Company. Key facts about the zygomaticus minor muscle. The zygomaticus major muscle is a muscle that controls facial expression, drawing the mouth’s angle upward and outward. Usually a single unit, Dimples are caused by variations in form. The facial nerve transmits messages between your brain and your muscles to prompt the movement of the zygomaticus, as well as all muscles of facial expression, as explained by the Yale School of Medicine. This facial muscle is also known as the musculus zygomaticus major or the greater zygomatic muscle, according to a study in the International Journal of Anatomy and Research … Written by the Healthline Editorial Team. Origin. Insertion. An inability to smile at the appropriate times can easily be misunderstood as a person being disinterested or unhappy when this may not be the case at all. Elevates and draws angle of mouth laterally. The muscle attaches at the top of the check below each eye and extends diagonally down and to the outside of each end of the upper lip. The facial artery supplies blood to the muscle. Zygomaticus Minor Function. When this muscle relaxes, or loosens, your lips go back down to their normal resting position. It plays an integral role in the movement and control of the fifth metacarpal, or the…, The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. The zygomaticus major muscle starts at the cheekbone and extends to the corner of the mouth. Variations of the zygomaticus major muscle cause dimples to form. The Ohio State University Wexner Medical Center (OSUWMC). Always seek the advice of your dentist or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment. Both muscles work together to make facial expressions. As explained in the IJAR, natural variations in the zygomaticus muscle between people cause the formation (or absence) of dimples. This muscle causes the corners of a person’s mouth to rise when they smile. This phenomenon is actually the result of a birth defect which causes the muscle to split, but fortunately it is one that most people welcome. The muscles are connected to the healthy appearance of the face. ORIGIN. Facial nerve.
Colgate Reaches Children in Need Across the Globe With the Power of a Bright Smile. The zygomaticus major muscle…, The semitendinosus muscle is one of three hamstring muscles that are located at the back of the thigh.