PDF-Muscles of Mastication

Muscle Origin Insertion Action Masseter Zygomatic Arch. common. Mastication provides a means to treat fuels that are otherwise difficult to treat with prescribed fire. However, a number of questions have arisen regarding the effectiveness and impact of More than 600 muscles in our bodies (about 650). Muscles make up approximately half of the human body’s weight. The human heart will beat . about 40 million times a year. , and . a person's heart will beat approximately 2.5 billion times by the time of their 70th birthday.. Muscles of girdles and appendages. Innervated by ventral ramus of spinal nerves. Key Point. What is a girdle?. What is a ramus/rami?. Appendicular Muscles - fish. Originated as extensions of hypaxials of body wall. Human Body. Frontalis. – Elevates eyebrow. Orbicularis. . oculi. – Flexes eye. Zygomaticus. – Elevates lips. Orbicularis. . oris. – Flexes lips. Masseter. – Elevates mandible. Muscles of the Head/Face. Interesting Muscle Facts. Thirty facial muscles create looks like surprise, happiness, sadness, and frowning. Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day. Guidelines for mastication treatments: Avoid damaging residual stands of trees during mastication Avoid shrub species that may not respond well to mastication or other water-diversion treatments. If Muscle. Origin. Insertion. Action. *Rectus . Abdominis. Pubis. Ribs, . Xyphoid. Process. Flexes. and rotates lumbar vertebrae. *External . Oblique. Ribs. Pubis, Ilium, Linea Alba. Flexes vertebral column. Muscles and Their Movements. Muscles move our bones which move our body. . Flexing: Creating less space at the joint. Extending: Creating more space at the joint. Muscles and Their Movements. Extending knee . Objectives. Identify tender, intermediate, and tough muscles. List specific muscles in various steaks. What steaks are the most tender?. Tender Muscles. Examples:. Psoas major-. . Loin, on the back. E. xpression Tongue. © April 2015 Rachel . Krystina. . Marfell. The Skull. The skull or cranium forms housing round the brain and the lower part forms the skeleton of the face .. It is a very complex structure . . 2.BONES. The framework of the human body is composed of 206 bones and it forms the skeletal system. This system has 5 major functions. The skeleton gives shape and support to your body. Bones protect your internal organs. Major muscles are attached to bone and help them move. Blood cells are formed in the center of the soft tissue called marrow. Finally, major quantities of calcium and phosphorous compound, which make bones hard, are stored in the skeleton.. masticatory. apparatus, including the skeletal components, the teeth and the . temporo-mandibular. joint.. The . masseter. muscle. The . masseter. muscle is a broad . multipemnnate. (bilateral symmetrical) muscle with . Clinical Anatomy of second year . T.M joint . Joint ligaments . T.M Joint Movement. Muscles of Mastication. Masseter Muscle. Medial pterygoid muscle. Lateral pterygoid Muscle. By . Dr. Hussein . ALNaji. Dysfunction. Inanition is the major physiologic effect of (. alimentary dysfunction when the disease is chronic). , (. dehydration is the major effect in acute diseases. ), and (shock is the important physiologic disturbance in hyper acute diseases)..