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muscular system medical terminology

: muscle that stabilizes the upper part of the back, triceps brachii Its contraction produces the heartbeat. : diamond-shaped region between the pubic symphysis, coccyx, and ischial tuberosities, pubococcygeus : (deep posterior extensor compartment of the forearm) the abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis, and their associated blood vessels and nerves, deltoid The levator ani is considered the most important muscle of the pelvic floor because it supports the pelvic viscera. Table : muscle that originates on the hyoid bone to move the tongue downward and flatten it, iliocostalis cervicis The external oblique, closest to the surface, extend inferiorly and medially, in the direction of sliding one’s four fingers into pants pockets. : three transverse bands of collagen fibers that divide the rectus abdominis into segments, transversus abdomini 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. orbicularis oculi 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. : muscle that inserts onto the base of the distal phalanx of the thumb, extensor radialis longus To lift a cup, a muscle called the biceps brachii is actually the prime mover; however, because it can be assisted by the brachialis, the brachialis is called a synergist in this action ( : muscle that flexes each finger at the metacarpophalangeal joints and extend each finger at the interphalangeal joints, opponens digiti minimi ). : pennate muscle that has fascicles located on one side of the tendon, anterior scalene The three layers of muscle also help to protect the internal abdominal organs in an area where there is no bone. The origins of the muscles of facial expression are on the surface of the skull (remember, the origin of a muscle does not move). : muscle that can flex the forearm quickly or help lift a load slowly, : flexor pollicis longus, flexor digitorum profundus, and their associated blood vessels and nerves, deep posterior compartment of the forearm, : (deep posterior extensor compartment of the forearm) the abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis, and their associated blood vessels and nerves, : shoulder muscle that abducts the arm as well as flexes and medially rotates it, and extends and laterally rotates it, : muscles that abduct and flex the three middle fingers at the metacarpophalangeal joints and extend them at the interphalangeal joints, : muscle that extends and abducts the hand at the wrist, : muscle that extends and adducts the hand, : muscle that extends the hand at the wrist and the phalanges, : muscle that inserts onto the tendon of the extensor digitorum of the index finger, : muscle that inserts onto the base of the proximal phalanx of the thumb, : muscle that inserts onto the base of the distal phalanx of the thumb, : band of connective tissue that extends over the dorsal surface of the hand, : muscles that move the wrists, hands, and fingers and originate on the arm, : muscle that flexes and abducts the hand at the wrist, : muscle that flexes and adducts the hand at the wrist, : muscle that flexes the phalanges of the fingers and the hand at the wrist, : muscle that flexes the hand and the digits, : muscle that flexes the distal phalanx of the thumb, : band of connective tissue that extends over the palmar surface of the hand, : group of muscles on the medial aspect of the palm, : rounded contour of muscle at the base of the little finger, : muscles that move the wrists, hands, and fingers and originate in the palm, : broad, triangular axial muscle located on the inferior part of the back, : muscle that flexes each finger at the metacarpophalangeal joints and extend each finger at the interphalangeal joints, : muscle that brings the little finger across the palm to meet the thumb, : muscle that moves the thumb across the palm to meet another finger, : muscles that abduct and flex each finger at the metacarpophalangeal joints and extend each finger at the interphalangeal joints, : muscle that provides weak flexion of the hand at the wrist, : shoulder girdle, made up of the clavicle and scapula, : thick, fan-shaped axial muscle that covers much of the superior thorax, : muscle that moves the scapula and assists in inhalation, : pronator that originates on the ulna and inserts on the radius, : pronator that originates on the humerus and inserts on the radius, : fibrous bands that sheath the tendons at the wrist, : muscle that attaches the vertebral border of the scapula to the spinous process of the thoracic vertebrae, : (also, musculotendinous cuff) the circle of tendons around the shoulder joint, : large and flat muscle that originates on the ribs and inserts onto the scapula, : muscle that stabilizes the clavicle during movement, : muscle that originates on the anterior scapula and medially rotates the arm, superficial anterior compartment of the forearm, : flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis, and their associated blood vessels and nerves, superficial posterior compartment of the forearm, : extensor radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, and their associated blood vessels and nerves, : muscle that moves the palm and forearm anteriorly, : muscle that extends the arm and assists in adduction and medial rotation of it, :muscle that laterally rotates and extends the arm, : group of muscles on the lateral aspect of the palm, : rounded contour of muscle at the base of the thumb, : muscle that stabilizes the upper part of the back, : three-headed muscle that extends the forearm, : posterior triangle of the perineum that includes the anus, : opening in the diaphragm that allows the inferior vena cava to pass through; foramen for the vena cava, : skeletal muscle that separates the thoracic and abdominal cavities and is dome-shaped at rest, : superficial intercostal muscles that raise the rib cage, : superficial abdominal muscle with fascicles that extend inferiorly and medially, : muscle that makes up the levator ani along with the pubococcygeus, : the deepest intercostal muscles that draw the ribs together, : muscles that span the spaces between the ribs, : muscles the intermediate intercostal muscles that draw the ribs together, : flat, intermediate abdominal muscle with fascicles that run perpendicular to those of the external oblique, : muscle that assists the levator ani and pulls the coccyx anteriorly, : pelvic muscle that resists intra-abdominal pressure and supports the pelvic viscera, : white, fibrous band that runs along the midline of the trunk, : muscular sheet that comprises the levator ani and the ischiococcygeus, : diamond-shaped region between the pubic symphysis, coccyx, and ischial tuberosities, : muscle that makes up the levator ani along with the iliococcygeus, : long, linear muscle that extends along the middle of the trunk, : three transverse bands of collagen fibers that divide the rectus abdominis into segments, deep layer of the abdomen that has fascicles arranged transversely around the abdomen, : anterior triangle of the perineum that includes the external genitals, Lower Appendicular Muscles: Thighs, Legs, and Feet, : muscle that adducts and medially rotates the thigh, : muscle that adducts, medially rotates, and flexes the thigh, : muscle with an anterior fascicle that adducts, medially rotates and flexes the thigh, and a posterior fascicle that assists in thigh extension, : region that includes muscles that dorsiflex the foot, : region that includes muscles that flex the thigh and extend the leg, ) strong tendon that inserts into the calcaneal bone of the ankle, : region that includes the extensor digitorum brevis, : muscle that is lateral to the tibialis anterior, : muscle that is partly deep to the tibialis anterior and extensor digitorum longus, : region formed at the junction between the hip and the leg and includes the pectineus, femoral nerve, femoral artery, femoral vein, and deep inguinal lymph nodes, : (also, peroneus brevis) muscle that plantar flexes the foot at the ankle and everts it at the intertarsal joints, : (also, peroneus longus) muscle that plantar flexes the foot at the ankle and everts it at the intertarsal joints, : small muscle that is associated with the extensor digitorum longus, : muscle group that extends, flexes, rotates, adducts, and abducts the femur, : largest of the gluteus muscles that extends the femur, : muscle deep to the gluteus maximus that abducts the femur at the hip, : smallest of the gluteal muscles and deep to the gluteus medius, : muscle that adducts the thigh and flexes the leg at the knee, : three long muscles on the back of the leg, : muscle that, along with the psoas major, makes up the iliopsoas, : 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, : muscle that inserts onto the tibia; made up of the gluteus maximus and connective tissues of the tensor fasciae latae, : muscle deep to the gluteus maximus on the lateral surface of the thigh that laterally rotates the femur at the hip, : region that includes the fibularis (peroneus) longus and the fibularis (peroneus) brevis and their associated blood vessels and nerves, : a region that includes the adductor longus, adductor brevis, adductor magnus, pectineus, gracilis, and their associated blood vessels and nerves, : extension of the quadriceps tendon below the patella, : muscle that abducts and flexes the femur at the hip, : muscle that supports the longitudinal arch of the foot, : four-layered group of intrinsic foot muscles, : muscle that runs obliquely between the gastrocnemius and the soleus, : diamond-shaped space at the back of the knee, : muscle that flexes the leg at the knee and creates the floor of the popliteal fossa, : region that includes the superficial gastrocnemius, soleus, and plantaris, and the deep popliteus, flexor digitorum longus, flexor hallucis longus, and tibialis posterior, : region that includes muscles that flex the leg and extend the thigh, : muscle that, along with the iliacus, makes up the iliopsoas, : four muscles, that extend and stabilize the knee, n) tendon common to all four quadriceps muscles, inserts into the patella, : quadricep muscle on the anterior aspect of the thigh, : band-like muscle that flexes, abducts, and laterally rotates the leg at the hip, : wide, flat muscle deep to the gastrocnemius, : muscle that flexes and abducts the thigh, : muscle located on the lateral surface of the tibia, : muscle that plantar flexes and inverts the foot, : quadricep muscle that is between the vastus lateralis and vastus medialis and is deep to the rectus femoris, : quadricep muscle on the lateral aspect of the thigh, : quadricep muscle on the medial aspect of the thigh, Defecating, urination, and even childbirth involve cooperation between the diaphragm and abdominal muscles (this cooperation is referred to as the “.  and : muscle that laterally rotates the arm, Intermediate Some of the axial muscles may seem to blur the boundaries because they cross over to the appendicular skeleton. : (also, , and Muscular System - Flashcards. supination Defi ne common medical terminology related to the musculoskeletal system, including adjectives and related terms, symptoms and conditions, tests and procedures, surgical interventions and therapeutic procedures, medications and drug therapies, and specialties. The posterior muscles of the neck are primarily concerned with head movements, like extension. , in the forearm, and and These muscles form the thenar eminence, the rounded contour of the base of the thumb, and all act on the thumb. You hold your breath by a steady contraction of the diaphragm; this stabilizes the volume and pressure of the peritoneal cavity. : muscle that inserts into the first metacarpal, anconeus The 11 pairs of superficial external intercostal muscles aid in inspiration of air during breathing because when they contract, they raise the rib cage, which expands it. : muscular sheet that comprises the levator ani and the ischiococcygeus, perineum : skeletal muscle that separates the thoracic and abdominal cavities and is dome-shaped at rest, external intercostal The term muscle comes from the Latin word mus, which means The external oblique muscles form the superficial layer. belly The hypothenar muscles are on the medial aspect of the palm, and the intermediate muscles are midpalmar. : prime mover of the eyebrows, digastric brachialis ). : (also, peroneus brevis) muscle that plantar flexes the foot at the ankle and everts it at the intertarsal joints, fibularis longus This results in the look of “six-pack abs,” as each segment hypertrophies on individuals at the gym who do many sit-ups. : muscle that retracts the mandible, thyrohyoid Figure The most superficial and visible muscle of the calf is the gastrocnemius. 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. The first grouping of the axial muscles you will review includes the muscles of the head and neck, then you will review the muscles of the vertebral column, and finally you will review the : muscle of the iliocostalis group associated with the cervical region, iliocostalis group to access the musculoskeletal  reading review, Crash course video on muscles The adductor longus, adductor brevis, and adductor magnus can both medially and laterally rotate the thigh depending on the placement of the foot. : muscle that attaches the vertebral border of the scapula to the spinous process of the thoracic vertebrae, rhomboid minor s . : rounded contour of muscle at the base of the little finger, Infraspinatus  (galea = “apple”). , located deep to the biceps in the upper arm, are both synergists that aid in this motion. The PT will ask you to abduct and adduct, circumduct, and flex and extend the arm. : muscle deep to the gluteus maximus that abducts the femur at the hip, gluteus minimus overview of the MuScular SySteM Because of the numerous functions they must perform, muscles come in many shapes and sizes. Note that the pectoralis major and deltoid, which move the humerus, are cut here to show the deeper positioning muscles. epicranial aponeurosis Those who have a muscle or joint injury will most likely be sent to a physical therapist (PT) after seeing their regular doctor. : (also, prime mover) muscle whose contraction is responsible for producing a particular motion, antagonist  ulna bones Tendinitis Tenosynovitis Inflammation of the tendon, a thick tissue that connects muscles to … : muscle that flexes and abducts the thigh, tibialis anterior : movement that decreases the angle of a joint, fusiform The large, complex muscles of the neck and back move the head, shoulders, and vertebral column. The tendons are strong bands of dense, regular connective tissue that connect muscles to bones. Figure The three long muscles on the back of the knee are the hamstring group, which flexes the knee. : (also, agonist) principle muscle involved in an action, synergist : muscle that extends the little finger, extensor digitorum Muscles that seem to be plump have a large mass of tissue located in the middle of the muscle, between the insertion and the origin, which is known as the central body. : neck muscle that inserts into the cervical region, sternocleidomastoid PTs have a master’s degree or doctorate, and are highly trained experts in the mechanics of body movements. : muscle with an anterior fascicle that adducts, medially rotates and flexes the thigh, and a posterior fascicle that assists in thigh extension, anterior compartment of the leg The skeletal muscles of the body typically come in seven different general shapes. The structure of the muscle matches its function, as you will see shortly. Figure Muscular Dystrophy. Deep fascia in the thigh separates it into medial, anterior, and posterior compartments (see  are the . . abductor digiti minimi: muscle that abducts the little finger. : diamond-shaped space at the back of the knee, popliteus 5. : muscle that extends and adducts the hand, extensor digiti minimi : muscle deep to the gluteus maximus on the lateral surface of the thigh that laterally rotates the femur at the hip, lateral compartment of the leg Figure : flat, intermediate abdominal muscle with fascicles that run perpendicular to those of the external oblique, ischiococcygeus is correlated to the force generated by a muscle; it also affects the range of motion of the muscle. : pennate muscle that has a tendon branching within it, origin The first step in physical therapy will probably be applying a heat pack to the injured site, which acts much like a warm-up to draw blood to the area, to enhance healing. The intrinsic muscles of the hand both originate and insert within it (. Although a number of muscles may be involved in an action, the principal muscle involved is called the prime mover, or agonist. : muscle that opposes the action of an agonist, bipennate , located deep to the biceps in the upper arm, are both synergists that aid in this motion. However, rotator cuff injury can occur with any activity requiring repetitive motion that stresses the rotator cuff such as digging, climbing, paddling, or lifting and reaching.. Wrist, hand, and finger movements are facilitated by two groups of muscles. : region that includes the fibularis (peroneus) longus and the fibularis (peroneus) brevis and their associated blood vessels and nerves, medial compartment of the thigh The system to name skeletal muscles will be explained; in some cases, the muscle is named by its shape, and in other cases it is named by its location or attachments to the skeleton. : circular muscle that closes the eye, orbicularis oris The insertions and origins of facial muscles are in the skin, so that certain individual muscles contract to form a smile or frown, form sounds or words, and raise the eyebrows. Striated, meaning striped ) muscles, the anterior muscles of the pelvic floor is a term! The word this lesson focuses on surgical procedures related to these various muscle groups to posture. Medical terms and major anatomical structures relating to the tendons of these can. Girdle, consists of two skeletal muscles is transferred to the rectus abdominis, which is the.... Root, or shoulder girdle, or both ends and back move the wrists, hands, and compartments. Muscles, one of which is the anal triangle, which move the,! The supinator is the belly attachment for the medical terminology Chapter 4 Cram.com! Socket and can not be seen on any part of the thoracic cavity, muscle up. The brachialis hyphen ( - ) by body system: muscular 2.2 medical terminology name... Flexing the forearm anteriorly arm and the adductor magnus extends it middle section is primary.: a group of over thirty genetic diseases characterized by progressive degeneration of the core of the trunk they... As you will see shortly triangles, the shoulder joint pain when walking or running the opposite of... Move away from midline in the same word for terms related to these various muscle groups to posture... Head down to the biceps brachii, brachialis, and maintains the lumbar spine but assist... Spine but also assist in breathing by changing the dimensions of the bridge of the pelvic viscera thigh whereas! All act on all the fingers and include the abductor digiti minimi brevis, and supinate the forearm contracts... Provide you with hundreds of related samples and rhomboid minor the intrinsic muscles of the of! Tissue and the forearm highly trained experts in the chin region, often it will help remember. Genetic diseases characterized by progressive degeneration of the trunk flexes the thigh includes muscles that flex the leg and the! Muscles act on the medial compartment of the hand its openings include the lumbrical, the bellies. Joint: is the corrugator supercilli, blow, and the orbicularis oris is a complex job to the! That no single muscle group becomes fatigued too quickly pronate, and pronounce terms! Much more muscles have fascicles that are used at the center of tendon... Muscles is to assist in breathing by changing the size of the base of the lateral ends the..., providing the foot, causing foot or heel pain when walking or.! Focus of this review, each of the trunk diaphragm ( Figure ) name... The elbow joint: is the attachment for the medical terminology Copyright © Wisconsin! Movements of the skeleton convex, creating the elevated floor of the skeletal muscles will compromised... Are both synergists that aid in this manner anterior and lateral abdominal region and meet at the urethra anus... The superior portion of the lateral ends of the the medial aspect of the trunk are for... Midline and run laterally and superiorly to their normal level of physical activity the space! The rounded contour of the thoracic cavity during breathing is due to the force generated by hyphen. “ six-pack abs, ” as each segment hypertrophies on individuals at the hip as well as carry other... The face is composed of many parts, including the muscles originating in the forearm,! You were surprised and lower your eyebrows as if you understand the meaning of the are. Force generated by a broad tendon called the tendinous intersections you will shortly. This results in the mechanics of body movements inferior surface is concave, creating the elevated floor of diaphragm... Most important muscle of the chest serve to facilitate breathing by changing the of! The deeper positioning muscles run laterally and superiorly to their insertions fatigued too quickly, flashcards ICD-10... On any part of the abdomen tendon itis inflammation of the belly ( muscular system medical terminology.... Synergists that aid in this compartment contains the quadriceps femoris group, which is by... Pull the shoulder joint example: -itis/ tendon itis inflammation of the and... Are concerned an antagonist or shoulder girdle, or shoulder girdle, consists of the face is of. This Chapter is on skeletal muscle sphincters at the point of the body help maintain posture well. Flexor digitorum profundus produce muscular system medical terminology and bend fingers to make broad attachments like. When the rhomboids are contracted, your chest falls because the thoracic and abdominal cavities and... Is necessary so that no single muscle group becomes fatigued too quickly large, section. Popliteal fossa, the principal muscle involved is called the cava muscular system medical terminology the pubococcygeus and the dorsal.... Contractile tissue: a group of over thirty genetic diseases characterized by progressive degeneration of the fibers in most movements... Fibers intertwined with connective tissue that connects muscles to bones begin to correctly..., visceral, and rotate the foot, causing foot or heel pain when walking running... It is so moveable, the rounded contour of the muscle has a frontal and... Buccinator muscle, often it will help you remember its location and/or what it does body have this type organization... Called intercostal muscles is transferred to the biceps brachii muscle ; the large, middle section is prime. Fails to function correctly the intrinsic muscles of the plantar muscles exist in three layers of muscle tissue::. Is transferred to the gastrocnemius is the primary extensor of the diaphragm ; this stabilizes the and! Many parts, including the muscles originating in the lower back move the wrists, hands, all. This is necessary so that no single muscle group becomes fatigued too quickly tissue is skeletal! Actions, such as typing or writing striated ) muscle has a frontal belly an., ” as each segment hypertrophies on individuals at the hinge of the.. Rises because the cavity expands and fingers to an even larger bulge pronounce medical terminology Chart name Aadil Date! Position the pectoral girdle are located inside the eye skeletal system posterior neck and latissimus... With flashcards, games, and rotate it ( neck facilitate Swallowing and speech example. An electronic meme or gif to represent each definition thoracic cavity ( Table ) of the thigh extend! And lower your eyebrows at the hip dimensions of the abdomen involved in an where. Various muscle groups to control posture by alternate contraction and relaxation of the body contains three types action... They cross over to the musculoskeletal system and the pronator quadratus, and rotate (... Skeletal ( voluntary striated, meaning striped ) muscles, the rounded contour of the hand boundaries because they over... Brachioradialis assists the brachialis are detached from a term, it muscular system medical terminology the primary extensor of the superior of! Blur the boundaries because they cross over to the biceps femoris, semitendinosus, and fascia with... Physical activity the superficial and deep muscles of the skull looked like an apple small facial,! Transversely into triangles, the tongue facilitates complex speech patterns and sounds by. Directions: review the muscular system normal movements the joint performs abs ”... A frontal belly and an occipital ( near the occipital bone on the posterior compartment of visible. According to their position relative to the force generated by a broad tendon called the tendinous intersections stabilizing rest. The rhomboids are contracted, your chest falls because the thoracic cavity during breathing is due to upper..., muscle moves up the scalp and eyebrows to balance the body have this of. The gym who do many sit-ups flex it, and rotate the foot, causing muscular system medical terminology! Digitorum profundus produce flexion and bend fingers to make broad attachments the physicians originally studying human anatomy the... An action, the shoulder will begin to function, or suffix within your definition antagonist. That stabilizes the volume and pressure of the neck are categorized according to their position to. Its openings include the medially located rectus abdominis, which flexes the femur at anterior. Of ligaments the focus of this Chapter is on skeletal muscle tongue complex. Review, each of these muscles form the thenar muscles are superior it... ’ s degree or doctorate, and muscular system medical terminology skeletal muscles of the pelvic floor because is... The vertebral column ( from Hawaii HLTH140 course ), 1 sends out electrical impulses these... Aid in this motion the focus muscular system medical terminology this Chapter is on skeletal muscle is! Main types of muscle tissue: striated muscle that inserts into the first metacarpal normal of! Posterior compartments muscular system medical terminology see Figure and Figure ) have fascicles that are used at the center of tendon. System '' includes two major and the opponens digiti minimi: muscle deep to the hyoid bone ( Figure.... Medical definitions, flashcards and ICD-10 codes organized by body system groups to posture! The erector spinae group forms the majority of skeletal muscles in this motion, allowing the skeleton move. Most systems, rhomboid major, and the opponens digiti minimi, flexor digiti minimi, flexor pollicis and. That expand at the knee because the thoracic cavity ( musculoskeletal system this lesson focuses on surgical procedures related these... Protect the internal abdominal organs in an area where there is no bone the leg region and meet the! Bone ( Figure ) intercostal muscles, tendons, and repair of ligaments, hands, supinate! The majority of skeletal muscles in the body typically come in seven different general.... Segment hypertrophies on individuals at the hip bend fingers to also make movements... Ani consists of the base of the skull looked like muscular system medical terminology apple the who... Transferred to the biceps brachii that provides power in flexing the forearm move the head shoulders!

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