. Ninety-eight specimens with rupture of some portion of the left ventricle complicating acute myocardial infarction from atherosclerotic coronary disease were studied. Almost all skeletal muscle in humans is twitch muscle. Action: stabilizes (abducts) thigh, extends and laterally rotates leg. Origin: medial condyle of femur, lateral condyle of femur. When it hits the target, it penetrates to a depth of $0.083 \mathrm{~m}$. myorrhexis Which type of muscle is located in the walls of internal organs whose function is to move and control the flow of fluids through these structures? Insertion: iliotibial tract of fascia lata. Getting straight to the point: A rupture and a tear are the same thing. 1. early revascularization (PCI or fibrinolytic). Insertion: nasal edge of eyeball in front of its equator. Nerve: median (C7-C8). Study with Quizlet and memorize flashcards containing terms like kinesi/o, -cele, fibr/o and more. Thigh muscle. Origin: lower half of pubis. d. Some balls are not round. Action: changes tension of vocal cords. prognosis The medical screening of patients to determine their priority of need and the proper place of treatment is called ______. Extraocular muscle. Nerve: femoral (L2-L4). Ultrasound. Nerve: obturator (L2-L3). A typical muscle has a central portion called the belly and two or more attachment ends with tendons; the more stationary of the attachments is called the muscle's origin, while the more movable attachment is called the muscle's insertion. Insertion: tricuspid and mitral valve leaflets via chordae tendinae. Triceps Rupture. Tendons muscle (redirected from muscle rupture) Also found in: Dictionary, Thesaurus, Medical . Tongue muscle. Action: flexes leg, rotates leg laterally, extends thigh. Origin: inside front lower margin of maxillary part of orbit. The cookie is used to store the user consent for the cookies in the category "Other. A rupture or dysfunction of these muscles, as can be caused by a heart infarct and Ischemia (respectively), can give rise to a complicated condition known as Mitral Valve Prolapse. Nerve: hypoglossal (CN XII). Nerve: median (C8-T1). Nerve: sciatic (L5-S2). Cardiac muscle is innervated by both sympathetic and parasympathetic autonomic motor axons. the heart muscle; the muscles of the arm. Nerve: musculocutaneous and radial (C5-C7). Skeletal muscle is by far the most common type of muscle in the body and it plays a major role in normal metabolism, e.g., after a meal, excess glucose is removed from the blood stream primarily by skeletal muscle. See: The major or the minor rhomboid muscle -- shoulder muscles. Nerve: abducens (CN VI). A muscle that supports a body segment so muscles attached to it can function. Triceps tendon is intact. Troponin activated by the calcium displaces tropomyosin, which prevents myosin bridges from binding with actin fibrils. If the top of the bar becomes positive relative to the bottom, what is the direction of the magnetic field. Action: adducts hand, extends wrist. This could be in forms of vomiting, taking laxatives, excessive exercising or even fasting. Thigh muscle. 1. Action: pulls scapulae toward each other. Insertion: medial palpebral raphe (after encircling orbit), lateral palpebral raphe, tarsi of eyelids. Front half of occipitofrontalis muscle a facial muscle. Muscles are classified according to structure as non-striated (or unstriated or unstriped or smooth) or striated (or striped), by control as voluntary or involuntary, or by location as cardiac, skeletal or visceral. Insertion: base of proximal phalanx of digit 5. What muscle is found on the lateral aspect of the shoulder and elevates the arm? . Nerve: suprascapular (C4-C6). Nerve: femoral (L2-L4). Myosin and actin. Under the microscope, the ends of the blocks look like lines, making skeletal muscle cells appear to have regularly arranged striations. Action: adducts and medially rotates arm. Muscles that pull against gravity to maintain normal posture. Action: anchor leaflets of valves during heart contractions. These cells largely generate energy via aerobic oxidation and are suited for maintaining contractions for an extended time. . Ear: anterior, posterior, and superior auricular muscles. Insertion: extensor tendons of toes. Tonic muscles are uncommon in humans and are found only in the extraocular muscles, stapedius muscle, and intrafusal fibers of the muscle spindles. Action: everts and plantar flexes foot. Default blog caption. Foot muscle. when do ventricular septal defects occur post MI? Origin: edges of sclera. Origin: capitate bone of wrist and metacarpals 2-3. Nerve: anterior belly -- trigeminal (CN V), posterior belly -- facial (CN VII). Best Answer. Thigh muscle. The smooth muscle fibers around the origin of the urethra. Any of several muscles arising from the ribs or vertebrae by separate slips. Wiki User. Origin: iliac fossa. The tensor tympani and stapedius muscles. 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. Origin: front of pubis (below crest). Most human muscles are composed of a mix of twitch muscle cell types. Action: compresses check against teeth, retracts angle of mouth. Rupture of the biceps tendon can occur proximally (at the shoulder) or distally (at the elbow). Nerve: obturator (L2-L4). Origin: lateral side of proximal femur. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Muscles are responsible for locomotion and play an important part in performing vital body functions. Insertion: tendon connecting both bellies in a loop of fascia that is attached to hyoid bone. Origin: midline of inner surface of thyroid cartilage. Deep layer: erector spinae and splenius. Which of the following is a protrusion of a muscle through its ruptured sheath or fascia? Nerve: median (C6-C7). Origin: tendinous ring around optic nerve at rear of orbit. Nerve: upper and lower subscapular (C5-C7). Action: adducts, flexes, and medially rotates thigh. Nerve: tibial (S2-S3). Insertion: muscular process of arytenoid cartilage. Insertion: skin of lower face. Insertion: skin of eyebrows, root of nose. Action: flexes hand. 11 Other sites included the triceps epicondyle, flexor tendon sheath, patellar tendon, quadriceps muscle, rotator cuff, and subscapularis terrea. A table explaining the differences between strains and sprains. Diaphragm Which muscle is used to control breathing? development of immediate cardiogenic shock and pulseless electrical activity. But opting out of some of these cookies may affect your browsing experience. Support. Age: 35. Each muscle cell is filled with parallel actin and myosin filaments. Isolated tears of the brachialis muscle are rare and often take on the clinical appearance of other pathology, such as a distal biceps brachii tendon tear or an intramuscular tumor, thus making diagnosis especially difficult. (Use Bernoullis equation.). Extraocular muscle. They cover anatomy and approaches; glenohumeral instability; rotator cuff and biceps; sternoclavicular joint and clavicle fractures; humeral and scapular fractures; glenhumeral arthritis; They vary from the rupture of a few fibres, as in the pulled hamstring of the footballer, and the partial tear of the gastrocnemius or the tennis elbow to the more serious frank tendon and. what is the treatment of acute mitral regurgitation? A tissue composed of mitochondrion-filled muscle cells that also contain neatly packed actin and myosin filaments; the filaments are arranged in cylindrical bundles called myofibrils. The word fasciitis refers to inflammation of the fascia, which is the tough fibrous tissue that lies on top of and between the muscles. The rectus femoris, vastus intermedius, vastus lateralis, and vastus medius muscles together. Origin: medial epicondyle of humerus. Arm muscle. Explain. Forearm, posterior: abductor pollicis longus, anconeus, brachioradialis, extensor carpi radialis brevis, extensor carpi radialis longus, extensor carpi ulnaris, extensor digitorum, extensor digitorum minimi, extensor indicis, extensor pollicis brevis, extensor pollicis longus, and supinator muscles. In each cell, the myofibrils are all aligned in the same direction and are parceled into longitudinal blocks (called sarcomeres) of similar lengths. Origin: proximal three-fourths of ulna. Insertion: upper edge of eyeball in front of its equator. 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. Sometimes the mechanism of injury can be trivial, with patients reporting they just lunged for the ball, or turned to run . Medial: adductor brevis, adductor longus, adductor magnus, gracilis, and pectineus muscles. Insertion: coronoid process of mandible. Analytical cookies are used to understand how visitors interact with the website. The three-layered muscular wall of the urinary bladder. Nerve: genitofemoral (L1-L2). They are made up of fibres which are unfortunately susceptible to tears when placed under tension and overstretched. Nerve: ulnar, median (C8-T1). Study with Quizlet and memorize flashcards containing terms like movement, motion, hernia, fibrous connective tissue and more. Quizlet . Internal conical heart muscles. Torn or twisted ligament (tissue that connects the joints) Overstretched or torn muscle (also known as a pulled muscle) Most common in: wrists, ankles, thumbs, knees. A short muscle along the back of and outside the elbow. The abdominal muscles are made up of the cremaster, external abdominal oblique, iliacus, psoas major, pyramidalis, quadratus lumborum, rectus abdominis, and transversus abdominis muscles. Insertion: posterior side of greater tubercle of humerus. Nerve: deep peroneal (S1-S2). Acute rupture frequently results in severe mitral valve regurgitation and subsequent acute life-threatening cardiogenic shock and pulmonary edema. Action: flexes forearm, supinates hand. 1. harsh systolic murmur HBA apex with radiation to base. It depresses the sides of the tongue and is innervated by cranial nerve XII (hypoglossal nerve). 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). The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Insertion: common tendon of quadratus muscles, tibial tuberosity via patellar ligament. 1. preload reduction with diuretics & nitrates. Nerve, foot: medial plantar (S2-S3), lateral plantar (S2-S3). It flexes and adducts the thumb (brings it across the palm) and is controlled by the median nerve. Nerve: superior laryngeal of the vagus (CN X). 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. Shoulder muscle. Insertion: palmar surface of flexor retinaculum, palmar aponeurosis. 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