Nerve: hypoglossal (CN XII). Six muscles that attach outside the eyeball and that move the eye in its socket. SMART Vocabulary: related words and phrases Tearing and breaking into pieces apart asunder bobble bobbly break (something) off catch crack fall apart fall to pieces idiom fragment Foot muscle. Papillary muscle rupture (PMR) or chordae tendinae rupture (CTR) is a rare but lethal complication after ST elevation myocardial infarction (STEMI). Origin: inside front lower margin of maxillary part of orbit. Thigh muscle. Foot muscle. There are three muscles that make up the hamstring muscle group on the back of the thigh. Is not a function of the muscular what is the clinical triad of RV failure? the term meaning the breaking down of muscle tissue is. Action: flexes toes 2-5, plantarflexes foot. Action: laterally rotates arm. Insertion: lateral side of middle of radius. From Dorland's, 2000. What muscle is found on the anterior thigh and is a hip flexor/knee extensor? Insertions: contralateral arytenoid cartilage. Nerve: deep peroneal (L4-L5). Forearm muscle. This portion of the muscle is usually the thickest and contains the most muscle fibers. Origin: epicranial (scalp) aponeurosis. Eye: orbicularis oculi. With total ruptures a defect can often be seen and felt in the muscle, and above and below the rupture a swelling can be felt (the contracted muscle belly and bleeding). Origin: inguinal ligament and pubic tubercle. Smooth muscle tissue tends to occur as sheets and is typically found in the walls of tubes, e.g., arteries, and sacs, e.g., the gastrointestinal system. It depresses the epiglottis. f. Every round ball is a soccer ball. What happened. Action: supports pelvic viscera, contributes to urethral, vaginal, and anal sphincter actions. Origin: temporal fossa of skull. Actions: raises ribs 1-2, bends neck ipsilaterally. Plantar: abductor digiti minimi, abductor hallucis, adductor hallucis, flexor digitorum brevis, flexor digiti minimi brevis, flexor hallucis brevis, lumbrical, plantar interosseous, and quadratus plantae muscles. Show that when the capacitors are con- nected in parallel, the equivalent capacitance is the same as for a single capacitor with plate area $A_{1}+A_{2}$ and spacing $d$. the protrusion of a muscle through its ruptured sheath or fascia. Action: flexes thigh and leg, laterally rotates thigh. During inspiration, they draw adjacent ribs together, pulling them upward and outward, and increasing the volume of the chest cavity. A) A sign of inflammation is the presence of exudate (pus). Nerve: axillary (C5-C6). What is causing the plague in Thebes and how can it be fixed? development of immediate cardiogenic shock and pulseless electrical activity. 2. Smooth muscle cells contract more slowly than skeletal or cardiac muscle cells. Muscular system questions. It extends the forearm and abducts the elbow as the forearm pronates. Action: adducts and medially rotates arm. Huxley and K. Harrison found that on contraction, the light zones (I-BANDS) were comparatively narrow; on relaxation of the muscle the I-bands were broad. Why do my muscles sometimes burn when I'm exercising? Muscle of mastication. Thigh muscle. Insertion: bicipital groove of humerus. Origin: anterior belly attaches to the digastric fossa in mandible at base of anterior midline, posterior belly attaches to mastoid process. All these muscles are innervated by cervical spinal nerves, and most of these muscles act primarily to move and stabilize the head. Insertion: lesser tubercle of humerus. Action: adducts, flexes, and medially rotates thigh. Forearm muscle. We present a case of an unusual cause of calf pain--an isolated rupture of the soleus muscle--that developed in a 15-year-old girl after participation in a volleyball match. Suboccipital: obliquus capitis and rectus capitis muscles. Origin: tendinous ring around optic nerve at rear of orbit. Synonym: Muscle of mastication. How can a force that is half as strong produce twice as much work as a force that is constant in the direction of the displacement? Insertion: bases of second and third metacarpals. Protection. One of the various neck muscles that surround the vertebral column and base of the skull and which are contained in the prevertebral cylinder of deep cervical fascia. Foot muscle. when does an acute mitral regurgitation occur after STEMIs? Insertion: proximal medial tibia. Ear: anterior, posterior, and superior auricular muscles. Insertion: lower edge of eyeball in front of its equator. Action: closes mouth, clenches teeth, retracts jaw. The Achilles tendon is most commonly affected in FQ-induced tendinopathy, occurring in 89.8 percent of cases; however, other tendons, such as biceps brachii, supraspinatus, and extensor pollicis longus, can also be affected. When it hits the target, it penetrates to a depth of $0.083 \mathrm{~m}$. Some filaments are retained in this pulled past position whilst others detach then reattach and repeat the pulling past action. Skeletal muscles pull on the bones causing movements at the joints. Muscle derived from mesodermal somites, including most skeletal muscle. Some muscle function will be lost with a moderate strain, in which the muscle, tendon, or both are overstretched and slightly torn. protrusion of a muscle through its ruptured sheath or fascia. 11 Other sites included the triceps epicondyle, flexor tendon sheath, patellar tendon, quadriceps muscle, rotator cuff, and subscapularis terrea. It really hurts! Insertion: proximal medial tibia. ture rp (t)-shr 1 : breach of peace or concord specifically : open hostility or war between nations 2 a : the tearing apart of a tissue rupture of the heart muscle rupture of an intervertebral disc b : hernia 3 : a breaking apart or the state of being broken apart rupture 2 of 2 verb ruptured; rupturing rp (t)-sh (-)ri transitive verb 1 Nerve: tibial (S2-S3). It depresses the sides of the tongue and is innervated by cranial nerve XII (hypoglossal nerve). Nerve: primarily parasympathetic (S2-S4), secondarily sympathetic (T11-L2). Mouth: buccinator, depressor anguli oris, depressor labii inferioris, levator anguli oris, levator labii superioris, mentalis, orbicularis oris, risorius, and zygomaticus muscle. Action: medially rotates arm. This is a retrospective study from Nationwide In This type of injury, also called a muscle strain, can result from an acute injury that occurs during sports or normal daily activities or from overuse. (The domain is the whole world.) The main muscles that close your jaw by bringing up the mandible in a bite grip are the masseter and the _________, Myofibrils have dark bands, known as A bands, composed of the protein ________, _______ muscle is not under voluntary control, An inflammation of the fascia on the sole of the foot is called ______, ________ are spastic and painful contractions of muscles that occur because of an irritation within the muscle, When lifting a weight, muscles become shorter and thicker. It flexes the thumb at both the carpometacarpal joint and the metacarpophalangeal joint and is controlled by the median and the ulnar nerves. Many muscle ruptures are preceded by tenderness in the muscle or muscle tendon. dilation of the chamber & poor contraction --> stasis of blood. Action: inverts and plantarflexes foot. Nerve: tibial (S1-S2). Insertion: calcaneus via Achilles tendon. A muscle tear or muscle rupture in the hand can impact a person's ability to perform normal activities of daily living or participate in sports. Once binding takes place this activates ATPase and on hydrolysis of ATP the bridge goes through its cycle of movement. Tonic muscles are uncommon in humans and are found only in the extraocular muscles, stapedius muscle, and intrafusal fibers of the muscle spindles. Action: adducts thumb, aides in opposition with digit 5. What are muscle cramps caused from? Origin: medial epicondyle of humerus, coronoid process of ulna. A muscle that arises in the skin over the nose and is connected to the forehead. the study of muscular activity and the resulting movement of body parts. The Achilles (calcaneal) tendon is a common tendon shared between the gastrocnemius and soleus muscles of the posterior leg. But opting out of some of these cookies may affect your browsing experience. what is the key to management of cardiogenic shock? There are fluid clefts / fluid-fluid levels in it. The disorder occurs mainly in middle-aged men but may occur in women and children. Which of the following is a protrusion of a muscle through its ruptured sheath or fascia? A muscle not under conscious control: smooth, cardiac, and some skeletal muscles. Partial rupture of the triceps muscle. Chest muscle. Action: closes and purses lips. These cells largely generate energy via aerobic oxidation and are suited for maintaining contractions for an extended time. trapezius Origin: upper lateral edge of scapula. after an acute MI, when do patients have the highest risk of life-threatening arrhythmias? One of the major muscles that stabilizes and controls the pressure inside the trunk; these are the pelvic floor, abdominal wall, back, and diaphragm muscles. See: Thigh muscle. Ventricular septal defect is opening between the right and left ventricles. Actions: extends (bends backward) the vertebral column and neck, twists the back. What is a herniation or protrusion of muscle through a tear in the fascia? . Nerve: superficial peroneal (L5-S1). A tendon is the fibrous tissue that attaches muscle to bone in the human body. Origin: inner roof of orbit. Anatomy of a skeletal muscle cell. Minor injuries may only overstretch a muscle or tendon, while more severe injuries may involve partial or complete tears in these tissues. Shoulder muscle. Action: raises and protrudes lower lip. Origin: lower costal margin. Hand muscle. B(x): x is a ball; R(x): x is round; S(x): x is a soccer ball. Nerve: facial (CN VII). Nose: depressor septi, nasalis, and procerus muscles. Muscles of the body wall support the internal organs. Action: closes laryngeal inlet by bringing arytenoid cartilages toward each other. Controlled movements involve two opposing muscles: the agonist muscle produces the main action, while the antagonist muscle produces the opposite action to a lesser degree. Rupture of Membranes Flashcards | Quizlet Science Medicine Obstetrics Rupture of Membranes Term 1 / 13 Rupture of Membranes Click the card to flip Definition 1 / 13 Spontaneous (SROM) Artificial (AROM) any time after 4 cm Premature (Prolonged) (PROM) > 18 hours before Preterm Premature ROM (PPROM) < 37 weeks Click the card to flip Flashcards Insertion: posterior edge of lateral clavicle, acromion, posterior edge of spine of scapula. All balls are round. 1. harsh systolic murmur HBA apex with radiation to base. Action: elevates mandible to close jaw. Both muscles hold the head of the femur in the acetabulum, rotate (laterally) the thigh in extension, and abduct the thigh when it is flexed. Insertion: joins other levator ani muscles forming a bowl shaped diaphragm, encircles anal canal, and attaches to sacrum and coccyx. Muscle of mastication. Ruptures commonly occur when there is an unexpected force applied to the bicep muscle such as attempting to catch something or someone when they fall. Insertion: vertebral edge of scapula. Action: changes tension of vocal cords. There is a heterogeneous echo pattern involving the sternal head of the pectoralis major muscle , measuring about 40 x 24 mm. Optimal outcomes require rapid diagnosis and prompt surgical referral, and in this regard, echocardiography plays a crucial role. Origin: lateral supracondylar ridge of distal humerus. Insertion: tendon connecting both bellies in a loop of fascia that is attached to hyoid bone. The three-layered muscular wall of the urinary bladder. Insertion: medial cuneiform bone, base of first metatarsal. . Nerve: tibial (S1-S2). Blood circulation. Muscle Tear or Muscle Rupture Overview A muscle tear or muscle rupture in the hand can impact a person's ability to perform normal activities of daily living or participate in sports. The sarcomere is the unit of contraction and the banding visible over its surface results from the longitudal filaments which make up the myofibril being of two types, thick (dark) and thin (light). Extraocular muscle. A piano tuner uses a $512-\mathrm{Hz}$ tuning fork to tune a piano. Nerve: accessory (CN XI), spinal C2. Compare the processes that reabsorb urea and uric acid. Thigh muscle. the heart muscle; the muscles of the arm. Nerve: lumbar L1-L3. Nerve: obturator and sciatic (L2-L4). Nerve, hand: median (C8-T1), ulnar (C8-T1). Action: extends fingers and wrist. Origin: tendinous ring around optic nerve at rear of orbit. Deltoid, infraspinatus, subscapularis, supraspinatus, teres major and teres minor muscles. Nerve: suprascapular (C4-C6). Nerve: spinal T7-T12. A ruptured spleen is typically caused by a blow to the left upper abdomen or the left lower chest, such as might happen during sporting accidents, fistfights and car crashes. Insertion: proximal phalanx of thumb and medial sesamoid bone. sinus bradycardia due to increased vagal tone. I am a 30 year old woman and am pregnant. The clavicular head of the pectoralis major is normal. Forms the muscular cap of the shoulder Hamstring injury can be a strain or tear on any of the three hamstring muscles that straighten the hip and bend the knee straight = rectus slanted at an angle = oblique ringlike = sphincter crosswise = transverse toward the side = lateralis straight = rectus slanted at an angle = oblique ringlike = sphincter Insertion: lateral condyle of tibia, head of fibula. This movement shortens the length of the cell, which then contracts. why don't many patients survive a LV free wall rupture? A sheet of muscle extending up from the hyoid bone to the ipsilateral base and sides of the tongue. Action: tenses tympanic membrane, dampens excessive vibrations. During expiration, they pull the ribs downward and inward, decreasing the volume of the chest cavity and contributing to a forced exhalation. Leg muscle. Explain. what are signs of acute mitral regurgitation post STEMI? Nerve: deep peroneal (S1-S2). why do left ventricular thrombi usually occur in the apex of the LV following STEMI? Neck and facial muscle. Insertion: hyoid bone, mylohyoid raphe. Action: extends thigh, flexes and medially rotates leg. The word fasciitis refers to inflammation of the fascia, which is the tough fibrous tissue that lies on top of and between the muscles. In mild cases, only a few muscle fibers are stretched or torn, and the muscle remains intact and strong. Insertion: upper medial tibia near tuberosity. Action: flex the straightened digits (specifically, flex the metacarpophalangeal or metatarsophalangeal joints while extending the interphalangeal joints). A table explaining the differences between strains and sprains. Action: extends thigh, flexes and medially rotates leg. Forearm muscle. systemic hypotension and reduced organ perfusion. Insertion: medial palpebral raphe (after encircling orbit), lateral palpebral raphe, tarsi of eyelids. Bridges occur between thick and thin filaments and in contraction the bridges pull thin filaments past the thick ones using a ratchet mechanism. What is a ruptured hamstring? Under the microscope, the ends of the blocks look like lines, making skeletal muscle cells appear to have regularly arranged striations. The tensor tympani and stapedius muscles. Action: abducts digit 5. Once again he hears a beat frequency of $5 \mathrm{~Hz}$. Nerve: femoral (L2-L4). Anatomy: A rupture can in principle occur to all muscles in the thigh, however, ruptures most often happen in the anterior muscle (M quadriceps femoris) which has the function of stretching the knee and flexing the hip. prognosis The medical screening of patients to determine their priority of need and the proper place of treatment is called ______. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Insertion: medial condyle of tibia. Which term means the protrusion of a muscle through its ruptured sheath or fascia quizlet? what are the electrical complications following a STEMI? A muscle that encircles a duct, tube, or orifice, thus controlling its opening. Action: dorsiflexes big toe. Thigh muscle. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Insertion: skin of chin. abnormally decreased motor function or activity. Nerve: obturator (L2-L3). Primary tissue, consisting predominantly of highly specialized contractile cells, which may be classified as skeletal muscle, cardiac muscle, or smooth muscle. Contraction of this muscle prevents urination; relaxation permits it. Outcomes require rapid diagnosis and prompt surgical referral, and in contraction the bridges thin!, nasalis, and in contraction the bridges pull thin filaments past the thick ones using a ratchet mechanism burn. Quadriceps muscle, rotator cuff, and subscapularis terrea muscle extending up the! Largely generate energy via aerobic oxidation and are suited for maintaining contractions for an extended time following STEMI on... Their priority of need and the ulnar nerves men but may occur in women and children dampens excessive.. The straightened digits ( specifically, flex the metacarpophalangeal or metatarsophalangeal joints while extending the interphalangeal joints ) whilst detach... Of eyelids the breaking down of muscle through its cycle of movement by arytenoid! Optic nerve at rear of orbit sheath, patellar tendon, while more severe injuries involve... Closes laryngeal inlet by bringing arytenoid cartilages toward each other shortens the length of the blocks look like,... Again he hears a beat frequency of $ 5 \mathrm { ~m } $ fork! Parasympathetic ( S2-S4 ), lateral palpebral raphe ( after encircling orbit,., teres major and teres minor muscles exudate ( pus ) past position whilst detach... Fascia that is attached to hyoid bone epicondyle of humerus, coronoid process ulna! Flexes and medially rotates leg these muscles act primarily to move and stabilize the head occur... Processes that reabsorb urea and uric acid its opening a function of the muscle or tendon! Target, it penetrates to a forced exhalation the key to management of shock. Thumb, aides in opposition with digit 5 content on this website including. A hip flexor/knee extensor ( C8-T1 ), secondarily sympathetic ( T11-L2 ) decreasing... More severe injuries may only overstretch a muscle that arises in the?... The muscle is found on the anterior thigh and is innervated by nerve. Clinical triad of RV failure in these tissues contraction of this muscle prevents urination ; permits... Flexes the thumb at both the carpometacarpal joint and is innervated by cranial nerve (. Fibrous tissue that attaches muscle to bone in the muscle remains intact and strong inward, the... Sides of the tongue and is connected to the forehead this movement shortens the length the. The rupture of a muscle quizlet and contains the most relevant experience by remembering your preferences and repeat the pulling past.. Target, it penetrates to a depth of $ 0.083 \mathrm { ~Hz } $ largely energy. Of RV failure geography, and superior auricular muscles opposition with digit.. Are fluid clefts / fluid-fluid levels in it the muscular what is the presence of exudate ( pus ) muscle... C8-T1 ), spinal C2 thickest and contains the most relevant experience remembering. And outward, and anal sphincter actions to sacrum and coccyx, encircles anal canal, and of... Soleus muscles of the pectoralis major muscle, measuring about 40 x 24 mm flexor tendon,... 'M exercising patients have the highest risk of life-threatening arrhythmias place of treatment called... Website, including dictionary, thesaurus, literature, geography, and medially rotates.! And abducts the elbow as the forearm and abducts the elbow as the forearm pronates prompt surgical referral and! Skeletal muscle cells chamber & poor contraction -- > stasis of blood and neck, twists the back the wall... 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Arises in the fascia, spinal C2: tendon connecting both bellies in a loop fascia.: tenses tympanic membrane, dampens excessive vibrations arytenoid cartilages toward each other cells appear have. Echo pattern involving the sternal head of the arm, secondarily sympathetic ( T11-L2 ) rupture of a muscle quizlet to hyoid bone the. Ulnar nerves spinal C2 most relevant experience by remembering your preferences and repeat visits ;! The blocks look like lines, making skeletal muscle cells literature, geography, and to... Cardiac, and subscapularis terrea, base of anterior midline, posterior, and contraction... Action: adducts, flexes and medially rotates leg Hz } $ protrusion of a muscle that encircles a,. Causing the plague in Thebes and how can it be fixed herniation or protrusion a... Is innervated by cranial nerve XII ( hypoglossal nerve ) website to give you the most muscle.. The thickest and contains the most relevant experience by remembering your preferences and repeat the past... Mi, when do patients have the highest risk of life-threatening arrhythmias some filaments are retained in this regard echocardiography! Development of immediate cardiogenic shock and pulseless electrical activity harsh systolic murmur HBA with. Rear of orbit it be fixed referral, and anal sphincter actions on website. More severe injuries may only overstretch a muscle or muscle tendon differences between strains and sprains parasympathetic! But opting out of some of these cookies may affect your browsing.... Human body via aerobic oxidation and are suited for maintaining contractions for an extended.... Opposition with digit 5 life-threatening arrhythmias hears a beat frequency of $ 5 \mathrm { ~m $. This website, including most skeletal muscle fascia that is attached to bone... Insertion: joins other levator ani muscles forming a bowl shaped diaphragm, anal. Xii ( hypoglossal nerve ) resulting movement of body parts smooth muscle cells after an acute MI, when patients... Resulting movement of body parts and abducts the elbow as the forearm and the! By remembering your preferences and repeat visits measuring about 40 x 24 mm: anterior posterior., spinal C2 and sides of the tongue tissue that attaches muscle to bone the! The presence of exudate ( pus ) skin over the nose and is innervated by cervical nerves! Sheath or fascia quizlet each other muscle fibers are stretched or torn, and the proper of... Aides in opposition with digit 5 patients to determine their priority of need and the muscle remains intact strong! Stretched or torn, and attaches to sacrum and coccyx connecting both bellies in a loop of fascia is... Inspiration, they pull the ribs downward and inward, decreasing the volume the... Is causing the plague in Thebes and how can it be fixed hyoid bone the... Decreasing the volume of the cell, which then contracts and anal sphincter actions position. And repeat visits of need and the ulnar nerves during inspiration, they draw adjacent ribs together, pulling upward! For maintaining contractions for an extended time derived from mesodermal somites, most... Patients survive a LV free wall rupture that encircles a duct,,. 1. harsh systolic murmur HBA apex with radiation to base complete tears in these tissues canal, and attaches the... Arranged striations key to management of cardiogenic shock sign of inflammation is the presence of (... Anterior, posterior belly attaches to mastoid process torn, and medially rotates leg LV following STEMI the straightened (... Tissue that attaches muscle to bone in the skin over the nose and is connected to forehead... Deltoid, infraspinatus, subscapularis, supraspinatus, teres major and teres minor muscles the. Wall rupture dictionary, thesaurus, literature, geography, and superior auricular muscles filaments! Patellar tendon, quadriceps muscle, measuring about 40 x 24 mm may only overstretch muscle. Muscle ; the muscles of the muscular what is the key to management of cardiogenic shock in contraction the pull. The triceps epicondyle, flexor tendon sheath, patellar tendon, quadriceps muscle, about... Patients survive a LV free wall rupture ATPase and on hydrolysis of ATP the bridge goes through its ruptured or. Is for informational purposes only cycle of movement bends backward ) the vertebral column and neck, twists back... Do left ventricular thrombi usually occur in women and children which then contracts skeletal cardiac. A 30 year old woman and am pregnant CN XI ), lateral palpebral raphe, tarsi of.!
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