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Clostridium botulinum Clostridium botulinum type A Clostridium botulinum type E Clostridium botulinum type B Clostridium botulinum type F Clostridium botulinum type D. D blood flow within muscles is increased by vasodilation, During exercise, the purpose of vasodilation in muscles is to: Which muscle lies directly posterior to the musculus serratus posterior inferior right and left muscle groups? a muscle working in opposition to another muscle B. belly. A. rectus abdominis D troponin and myosin, When nerve impulses arrive so rapidly that a muscle fiber has no chance to relax, the result is What is the antagonist of the Scalenes (Neck extension)? What is the antagonist of the Biceps Femoris (knee flexion)? A. erector spinae Identify the muscle that performs the following function: Paired muscle that flexes head and rotates the head to the side. E. function and size, The brachioradialis is named for its The muscle that is used to cross the legs is the a. buccinator b. temporalis c. masseter d. orbicularis oris. D positive/negative, The effect of acetylcholine on the sarcolemma is to make it: Materials and methods: In this cross-sectional study masticatory efficiency parameters (number of particles, mean diameter and . D muscle fibers must have oxygen to complete cell respiration, The term "oxygen debt" means D. multifidus The sternocleidomastoid muscle is named according to its bony attachments (sternum, clavicle, and mastoid process).. B. straight. D. extensor hallicus longus If a person drums their fingers on the table, they would be using which of the following muscles? Match the muscle's name with what generally describes one or more of its features: Muscle name that describes size. B. gluteus maximus and vastus lateralis. Does your neck feel stiff or achy when you wake up in the morning? coccygeus Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. A muscle that assists the muscle primarily responsible for a given action is a(n) __________. Define each term. The deep muscles of the neck, levator scapulae and middle scalene muscle are supplied by which nerve? This is an example of muscles working as. A. straight. B. biceps brachii. The sternocleidomastoid muscle is innervated by the accessory nerve (cranial nerve XI) and direct branches of the cervical plexus (C2-C3). D the most strenuous muscle contractions, The part of the brain that initiates muscle contraction is the: D. subclavius A the cerebellum promotes coordination C. triceps brachii Organisms 6. To explain skeletal muscle movements as activities of agonists (prime movers), antagonists, and synergists. Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster. Which of the following are correctly matched? D there is too little oxygen in the lungs, In the neuromuscular junction, the membrane of the muscle fiber is called the: A. injuries resulting from excessive stress on the tibialis posterior. C. pectoralis minor 2. trapezius Describe what would happen to the surface temperature of a star if its radius doubled but there was no change in the stars luminosity. Match the muscle with its correct origin and insertion: Temporalis, Origin: temporal fossa D. subclavius C. styloglossus A. index finger; little finger E. internal intercostals. B. origin and insertion. D. causes crow's feet wrinkles. Antagonists play two important roles in muscle function: (1) they maintain body or limb position, such as holding the arm out or standing erect; and (2) they control rapid movement, as in shadow boxing without landing a punch or the ability to check the motion of a limb. The major head flexor muscles are the __________. (c) equal for both wells? A. supraspinatus Which of the following muscles is primarily a postural muscle? A. iliopsoas. A. levator scapulae Createyouraccount. B muscle tone An exception to this generalization is the extensor-flexor musculature of the ______. The cervical plexus will have a honeycomb appearance of hypoechoic nodules super-cial to the brachial plexus within the groove between the inter-scalene muscles as shown in Fig. The biceps brachii functions to pull the radius of the lower arm toward the body. Our experts can answer your tough homework and study questions. A simple example of an antagonist is the Queen in Snow White and the Seven Dwarfs, who opposes and wants to destroy Snow White. What is the antagonist of the Gluteus Medius (abduction of femur)? C. masseter muscles. c. Which two muscles in that group are synergists? A. genioglossus Grounded on academic literature and research, validated by experts, and trusted by more than 2 million users. The SCM muscle group can contain a whopping seven trigger points, making it's trigger point density one of the highest in the body. All rights reserved. B sacrospinalis Which of the following muscles would be considered an antagonist to the rectus femoris? D calcium ions, In a muscle fiber, calcium ions are stored in the: The sternocleidomastoid muscles help to flex the neck. A hemoglobin in blood plasma Find the center of mass of the uniform, solid cone of height h, base radius R, and constant density \rho shown in the given figure. movement of Vastus lateralis and Vastus medialis. C. orbicular. Fixators hold joints in place, so movement does not occur. C. A. rectus abdominis D. masseter and medial pterygoid. Match the following fascicle arrangement with the appropriate power generation or description: Parallel, Straplike with an expanded belly; great ability to shorten but not usually very powerful. If this is the case it might be time to consider a muscular or mechanical reason for the symptoms. What are the muscles of the face and neck? E. type and shape, Which of the following muscles is named for its shape? D. back muscles are not very strong. As the agonist flexes, the opposite muscle (the. A negative/positive C. auricularis sternocleidomastoid Question: The sternocleidomastoid muscles flex the neck, and the splenius cervicis muscles extend it. Which muscle is an antagonist to the psoas major? The __________ is the prime mover of dorsiflexion of the foot. 75 Free NCLEX Questions - c/o BrilliantNurse., David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Intro to Sociology Final Exam Study Guide. D trapezius, The muscle on the anterior side of the trunk that flexes and adducts the arm is the: E. fibularis brevis, . The SCMs on each side of your body course from the breastbone and collar bone in the upper part of the chest to the back of the head. B. sartorius The major abductor muscle of the upper arm is the __________. What is the antagonist of the Extensor Hallucis Longus (Toe 1 extension)? (a) greater for well 1, Aim of this study was to evaluate difference in masticatory efficiency in association with previously named factors. E. Scalenes. D. zygomaticus major An antagonist for a muscle on the posterior side of the thigh would be found on the: Which statement is NOT true of antagonistic muscles? C- tibialis anterior- dorsiflexes foot B. longissimus capitis D. insertion. The zygomaticus major muscle B. opening the mouth. The muscle lies very superficially so that it is both easily visible and palpable. What is the antagonist of the Extensor Digitorum Longus (Toes 2-5 extension)? pennate arrangement of fascicles; spindle-shaped muscle B extend the leg D adductor group, The muscle on the posterior thigh that extends the thigh is the: (a) greater for well 1, In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the _____ muscle group is used. A. scalenes. Which of the following muscles contracts during forced expiration? circular arrangement of fascicles; describes the deltoid muscle, convergent arrangement of fascicles; fan-shaped muscle. joint act as a fulcrum. B. subscapularis B. rectus femoris the end of the muscle where the action occurs. E. psoas minor, Which back muscle extends and rotates the vertebral column? Provide their functions. Which of the following muscles helps to open the mouth (depress the mandible)? Which muscle is known as the "boxer's muscle" for its ability to move the arm horizontally, as in throwing a punch? The muscle(s) of mastication include which of the following? A. tibialis anterior b) Levator palpebrae superioris. Hold for 30 seconds. List the muscle(s) that are antagonistic to the gastrocnemius. C. psoas major and iliacus. D. defecation. The trapezius has many attachment points, extending from the skull and vertebral column to the shoulder girdle . B masseter . E. rhomboideus major, Which muscle rotates and protracts the scapula, and elevates the ribs? A muscle that assists the prime mover muscle. The anconeus works with the triceps brachii to They both work together to help you walk, sit, stand up, and do many other actions. B. contributes to pouting. - Muscle fibers running in parallel arrangement generate more power. C. urination. This can be muscle tissue, fascia, tendons and ligaments. B pectoralis major A muscle that stabilizes the origin of the prime mover (i.e. Which of these muscles is not the muscle of inspiration? C. opponens pollicis. B. tibialis anterior Balance between muscle groups is ideal, as it will decrease pressure in your joints. C both A and B a group of muscles that work together to cause movement. You can argue that a flat piece of glass, such as in a window, is like a lens with an infinite focal length. A sodium ions C twitch/tetanus C teres major A. Sternocleidomastoid. C. serratus anterior C. gluteus maximus. B. adductor pollicis Their antagonists are the _____ muscles. A deltoid E. psoas minor. (a) the erector spinae (b) the rhomboid group (c) the splenius group (d) the scalenes (e) the transversospinalis. Create flashcards for FREE and quiz yourself with an interactive flipper. Match the following muscle action involving facial expression with its appropriate muscle: Sphincter muscle of the eyelids, which permits squinting and blinking. external intercostals C. interspinales Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor? C acetylcholine to transmit the impulse to the muscle fiber C. latissimus dorsi Assume that the only force acting on him during the collision is that due to the ground. B. crow's feet wrinkles. If so, where does it form an image? pectoralis major Flexor Carpi Ulnaris, Flexor Carpi Radialis. D. tummy tucks. A. infraspinatus EXAMPLE:The 3 mooses were startled by the plain roaring overhead. Test your knowledge about the sternocleidomastoid and other anterior muscles of the neck with the following quiz: During pathological changes of the sternocleidomastoid the clinical picture of the wryneck occurs (bending of the head to the affected muscle and rotation to the healthy side). a. platysma b. occipitalis c. sternohyoid d. mylohyoid. Which of the following muscles is named for its action? Give the scientific term for the muscles of the mouth, b. C. vastus lateralis What is the antagonist of the Sartorius (Flexion of femur)? Match the following muscle action with its appropriate term: The muscles that perform most of the action in producing the movement, Match the action with its appropriate muscle name: Extends, adducts, and rotates arm medially. C. orbicularis oris a) 212Rn{ }^{212} \mathrm{Rn}212Rn D gluteus medius and adductor group, Which muscle is NOT paired with an antagonist? Which muscle fixes the clavicle or elevates the first rib? Aim to feel a stretch on the right Sternocleidomastoid. E. quadratus lumborum, Which abdominal wall muscle is the most superficial of the oblique muscles? E. swallowing. inhalation Which description of a muscle action is NOT correct? A. stylohyoid and procerus. a) orbicularis oris b) platysma c) orbicularis oculi d) sternocleidomastoid. load is the weight of the object. A gastrocnemius and soleus A change in diet and lifestyle (remains, remain) his only hope for recovery. What are the muscles of mastication? C. vastus lateralis Of the following muscles of the thigh, which one is on the posterior side? C both hemoglobin and myoglobin are lipids that contain iron B. flex the neck. D gastrocnemius, The muscle on the anterior thigh that extends the lower leg is the: D. rotate the head toward the left. What is the antagonist of the Internal Oblique (Trunk flexion)? C biceps brachii B. the end of the muscle where the action occurs. E. zygomaticus and buccinator. The pair consists of muscles wherein one contracts while the other relaxes. It can also occur with certain health conditions, such as asthma and. Introduction ; 11.1 Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems ; 11.2 Naming Skeletal Muscles ; 11.3 Axial Muscles of the Head, Neck, and Back ; 11.4 Axial Muscles of the Abdominal Wall, and Thorax ; 11.5 Muscles of the Pectoral Girdle and Upper Limbs ; 11.6 Appendicular Muscles of the Pelvic Girdle and Lower Limbs ; Key Terms In the body's lever systems, the E. Scalenes. All of the following muscles are rotators of the arm. Which of the following muscles is involved in chewing gum? D flex the sacrum, The muscle on the buttock that extends the thigh is the: C more heat is produced as cell respiration decreases What are the functions of the sternocleidomastoid muscle? a. external intercostal b. abdominal wall muscles c. diaphragm d. sternocleidomastoid e. pectoralis major, Protrusion-Retrusion involves the movements of which muscle? E. rhomboideus major, Which of the following muscles of the chest has its insertion on the humerus? C myoglobin in blood plasma Become a Study.com member to unlock this answer! a. . Reviewer: . C. medially rotates the arm. Rectus Abdominus, External oblique, Internal oblique What is the antagonist of the Spinalis (Spine extension)? E. extensor carpi radialis longus, Flexion of the hip is a movement produced by the (a) greater for well 1, The trapezius muscle runs from the back and sides of your neck to your shoulder blades. B. difficult defecation. E. difficult defecation and decreased support for the pelvic viscera. What is the antagonist of the Semimembranosus (knee flexion)? We could also say that the antagonist is the main muscle that does the opposite of the action that it is resisting. The, Which muscle acts as an antagonist to trapezius? E. blood accumulation around the gastrocnemius. bones serve as levers. D adductor group, The mucle on the lateral side of the hip that abducts the thigh is the: What are the three muscles in the group of arm flexors, innervated by the musculocutaneous nerve? Teres Major, Pectoralis Major, Latissimus dorsi. Neck Elongation. The trapezius muscle is a large, triangular, paired muscle located on the posterior aspect of the neck and thorax. D. levator anguli oris Laura M. Kok, .Rob G.H.H. Which description of a muscle action is NOT correct? What is the function of Sternocleidomastoid? Which of the rotator cuff muscles is probably damaged? A during polarization there is a positive charge outside Thanks rx0711. E. transverses thoracis. a) sternocleidomastoid b) orbicularis oculi c) trapezius d) platysma, Which of the following muscles are innervated by the trigeminal nerve? C extend the vertebral column B. gastrocnemius. rotation, Choosing from the lateral neck muscles, which muscle is the prime mover for flexion of the head at the neck? C less permeable to sodium ions 2. Once identified, the needle is slowly advanced following the posterior border of the sternocleidomastoid . B carbon dioxide is removed rapidly by incerased respiration What is the antagonist of the Rhomboids (Retract scapula)? However, the second heart field has recently been identified as an additional source of myocardial progenitor cells. D. deltoid appendicular muscle one of the muscles of a limb. Some of the antagonistic pairs are as follows: Biceps and triceps Gluteus maximum and hip flexors Hamstrings and quadriceps Pectoralis major and latissimus dorsi B. soleus The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the splenius capitis Two positive point charges qqq and 4q4 q4q are at x=0x=0x=0 and x=Lx=Lx=L, respectively, and free to move. __________ muscles have their fibers arranged obliquely to their tendons In a manner similar to a feather, such as unipennate, bipennate, and multipennate muscles. B. pectoralis minor Which of the following is NOT used as a criterion for naming muscles? (ii) Is the magnitude of the ground-state momentum What is the antagonist of the Extensor Carpi Radialis Brevis (wrist extension)? D the frontal lobes of the cerebellum initiate muscle contraction, The direct energy source for muscle contraction is: B pectoralis major E. All of these choices are correct. A. quadriceps femoris - gastrocnemius tendon at the ankle: first-class lever, biceps brachii at the elbow; third-class lever, Identify the action of the transversus abdominis.