s: muscle that makes up the scalp with a frontal belly and an occipital belly, omohyoid patellar tendo In: Finnegan L, Eagle S. Finnegan L, & Eagle S(Eds. Suprahyoid muscles are superior to it, and the infrahyoid muscles are located inferiorly. : muscle that originates on the soft palate to elevate the back of the tongue, posterior scalene , located deep to the biceps in the upper arm, are both synergists that aid in this motion. Muscles That Move the Wrist, Hand, and Fingers, Muscles of the Arm That Move the Wrists, Hands, and Fingers, Appendicular Muscles of the Pelvic Girdle and Lower Limbs, Thigh Muscles That Move the Femur, Tibia, and Fibula, Deep fascia in the thigh separates it into medial, anterior, and posterior compartments (see. Figure . The external oblique muscles form the superficial layer. Medical definitions, flashcards and ICD-10 codes organized by body system. Deep fascia in the thigh separates it into medial, anterior, and posterior compartments (see : muscle that flexes and abducts the hand at the wrist, flexor carpi ulnaris : small muscle that is associated with the extensor digitorum longus, flexor digitorum longus : muscle that retracts the mandible, thyrohyoid : cruciate ligament of the ankle, inferior gemellus A synergist can also be a fixator that stabilizes the bone that is the attachment for the prime mover’s origin. The adductor longus, adductor brevis, and adductor magnus can both medially and laterally rotate the thigh depending on the placement of the foot. : muscle of the spinalis group associated with the thoracic region, splenius Because it is so moveable, the tongue facilitates complex speech patterns and sounds. Parallel muscles have fascicles that are arranged in the same direction as the long axis of the muscle ( There are three flat skeletal muscles in the antero-lateral wall of the abdomen. : muscle of the lumbar region that helps extend and laterally flex the vertebral column, mylohyoid The majority of skeletal muscles in the body have this type of organization. : muscle group that extends, flexes, rotates, adducts, and abducts the femur, gluteus maximus In other words, there is a muscle on the forehead (frontalis) and one on the back of the head (occipitalis), but there is no muscle across the top of the head. This chapter also will describe how skeletal muscles are arranged to accomplish movement, and how other muscles may assist, or be arranged on the skeleton to resist or carry out the opposite movement. Cardiac muscle tissue: Striated, inv… : muscle that has superior and inferior bellies and depresses the hyoid bone, orbicularis oculi : rounded contour of muscle at the base of the thumb, trapezius When you inhale, your chest rises because the cavity expands. Standards A clear and concise 6-page worksheet on medical terminology of the muscular system used to describe its parts, processes, conditions, and procedures that can be performed on it. Finally, the intermediate muscles act on all the fingers and include the lumbrical, the palmar interossei, and the dorsal interossei. The posterior abdominal wall is formed by the lumbar vertebrae, parts of the ilia of the hip bones, psoas major and iliacus muscles, and quadratus lumborum muscle. Pronunciation: dis´trah-fe. infrahyoid : group of muscles on the medial aspect of the palm, hypothenar eminence :muscle that laterally rotates and extends the arm, thenar : move away from midline in the sagittal plane, agonist : muscle that is partly deep to the tibialis anterior and extensor digitorum longus, femoral triangle These enclose the rectus abdominis muscles (a pair of long, linear muscles, commonly called the “sit-up” muscles) that originate at the pubic crest and symphysis, and extend the length of the body’s trunk. Tendons emerge from both ends of the belly and connect the muscle to the bones, allowing the skeleton to move. The muscles in this compartment are large and strong and keep humans upright. : shoulder muscle that abducts the arm as well as flexes and medially rotates it, and extends and laterally rotates it, dorsal interossei The principal support for the longitudinal arch of the foot is a deep fascia called plantar aponeurosis, which runs from the calcaneus bone to the toes (inflammation of this tissue is the cause of “plantar fasciitis,” which can affect runners. The 11 pairs of internal intercostal muscles, just under the externals, are used for expiration because they draw the ribs together to constrict the rib cage.  muscle that abducts the little finger, adductor pollicis A more common name for this muscle is endomysium Learn vocabulary, terms, and more with flashcards, games, and other study tools. The muscles in the anterior compartment of the leg: the tibialis anterior, a long and thick muscle on the lateral surface of the tibia, the extensor hallucis longus, deep under it, and the extensor digitorum longus, lateral to it, all contribute to raising the front of the foot when they contract. Based on the patterns of fascicle arrangement, skeletal muscles can be classified in several ways. The muscles that stabilize the pectoral girdle make it a steady base on which other muscles can move the arm. Most medical terms are comprised of a root word plus a suffix (word ending) and/or a prefix (beginning of the word). corrugator supercilii : broad, triangular axial muscle located on the inferior part of the back, lumbrical : band of connective tissue that extends over the palmar surface of the hand, hypothenar extend and stabilize the knee. The physicians originally studying human anatomy thought the skull looked like an apple. The muscles along the dorsal side of the foot (a) generally extend the toes while the muscles of the plantar side of the foot (b, c, d) generally flex the toes. Medical Terminology – Muscular System. Alternately, when you exhale, your chest falls because the thoracic cavity decreases in size. : muscle that adducts and medially rotates the thigh, adductor longus The skeletal muscles of the body typically come in seven different general shapes. 2. : four-layered group of intrinsic foot muscles, plantaris Gradually, as the injury heals, the shoulder will begin to function correctly. (muscles of the trunk and head) and : region that includes the extensor digitorum brevis, extensor digitorum brevis : pennate muscle that has fascicles located on one side of the tendon, anterior scalene Figure Chapter 7 Muscular System - Medical Terminology 3215 with Vorhees at University of Central Missouri - … Because the muscles insert in the skin rather than on bone, when they contract, the skin moves to create facial expression ( The patellar ligament attaches to the tibial tuberosity. The plantaris runs obliquely between the two; some people may have two of these muscles, whereas no plantaris is observed in about seven percent of other cadaver dissections. : originate outside the eye and insert onto the outer surface of the white of the eye, and create eyeball movement, frontalis Muscles, Fascia, & … : three transverse bands of collagen fibers that divide the rectus abdominis into segments, transversus abdomini Some of the axial muscles may seem to blur the boundaries because they cross over to the appendicular skeleton. The most superficial and visible muscle of the calf is the gastrocnemius. Along with the adductor longus, adductor brevis, adductor magnus, and pectineus, the strap-like gracilis adducts the thigh in addition to flexing the leg at the knee. : (also, musculotendinous cuff) the circle of tendons around the shoulder joint, serratus anterior : quadricep muscle that is between the vastus lateralis and vastus medialis and is deep to the rectus femoris, vastus lateralis Cardiac (involuntary striated) muscle has branching fibers and forms most of the wall of the heart. The PT will ask you to abduct and adduct, circumduct, and flex and extend the arm. , in the forearm, and I. : flex, laterally flex, and rotate the head; contribute to deep inhalation, segmental muscle group : muscle group consisting of iliacus and psoas major muscles, that flexes the thigh at the hip, rotates it laterally, and flexes the trunk of the body onto the hip, iliotibial tract Prefixes are used at the beginning of a word to modify or vary the meaning of the word. A synergist can also be a fixator that stabilizes the bone that is the attachment for the prime mover’s origin. The three layers of muscle also help to protect the internal abdominal organs in an area where there is no bone. : muscle that extends the toes, extensor digitorum longus Figure The linea alba is a white, fibrous band that is made of the bilateral rectus sheaths that join at the anterior midline of the body. : region that includes muscles that dorsiflex the foot, anterior compartment of the thigh The superior surface of the diaphragm is convex, creating the elevated floor of the thoracic cavity. These muscles of the anterolateral abdominal wall can be divided into four groups: the external obliques, the internal obliques, the transversus abdominis, and the rectus abdominis ( Some of the most serious diseases affect the muscular system. The : muscle that flexes and abducts the thigh, tibialis anterior The anterior muscles include the subclavius, pectoralis minor, and serratus anterior. . Example: -itis/ tendon itis inflammation of a tendon Figure 1: WebMD. The perineum is the diamond-shaped space between the pubic symphysis (anteriorly), the coccyx (posteriorly), and the ischial tuberosities (laterally), lying just inferior to the pelvic diaphragm (levator ani and coccygeus). : muscle that moves the mandible from side to side, longissimus capitis These muscles are divided into three groups. This results in the look of “six-pack abs,” as each segment hypertrophies on individuals at the gym who do many sit-ups. Fascicle arrangement by ) strong tendon that inserts into the calcaneal bone of the ankle, dorsal group : muscle that has anterior and posterior bellies and elevates the hyoid bone and larynx when one swallows; it also depresses the mandible, epicranial aponeurosis The lateral and medial muscles in both compartments invert, evert, and rotate the foot. The fibularis tertius, a small muscle that originates on the anterior surface of the fibula, is associated with the extensor digitorum longus and sometimes fused to it, but is not present in all people. : thick, fan-shaped axial muscle that covers much of the superior thorax, pectoralis minor : muscle that moves the scapula and assists in inhalation, pronator quadratus : muscle of the spinalis group associated with the cervical region, spinalis group With these movements, you can feel the action of the corrugator supercilli. The deep muscles of the core of the body help maintain posture as well as carry out other functions. The muscles of the anterior neck assist in deglutition (swallowing) and speech by controlling the positions of the larynx (voice box), and the hyoid bone, a horseshoe-shaped bone that functions as a solid foundation on which the tongue can move. : muscle that provides weak flexion of the hand at the wrist, pectoral girdle Muscles for Tongue Movement, Swallowing, and Speech. ). : muscles that move the wrists, hands, and fingers and originate on the arm, flexor carpi radialis Patients with diseases of skeletal and muscular system, circulatory system, and tumor made up 90.48% of the population, indicating that the diagnosis as well as treatment of those disease categories cost much more higher than that of other disease categories, which meant diagnosing and treating these diseases were more difficult and called for advanced medical technologies in the process. , along with the proximal end of the humerus, and the muscles covering these three bones to stabilize the shoulder joint. : muscle of the iliocostalis group associated with the lumbar region, iliocostalis thoracis : muscle that extends the little finger, extensor digitorum • Correctly place bones in either the axial or the appendicular There are four pairs of abdominal muscles that cover the anterior and lateral abdominal region and meet at the anterior midline. : muscle deep to the gluteus maximus on the lateral surface of the thigh that laterally rotates the femur at the hip, patellar ligament : tissue that makes up the linea alba, sphincter urethrovaginalis For example, extend and then flex your biceps brachii muscle; the large, middle section is the belly ( The pectoralis major is thick and fan-shaped, covering much of the superior portion of the When a muscle contracts, the contractile fibers shorten it to an even larger bulge. : muscle that adducts, medially rotates, and flexes the thigh, adductor magnus 2.2 Medical Terminology Chart Name Aadil Siddiqui Date _____ Directions: Review the muscular system terms listed below.  and Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems To move the skeleton, the tension created by the contraction of the fibers in … Other parallel muscles are rotund with tendons at one or both ends. : fascicles that are arranged differently based on their angles to the tendon, prime mover ). 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