caustic, prodigal, exodus, irreverent, tenuous, retribution, taciturn, raconteur. B masseter What is the antagonist of the Soleus (Plantarflexion)? D. transversus abdominis 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. 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. The orbicularis oculi muscle What is the antagonist of the Upper Portion Trapezius (Elevate scapula)? b) Levator palpebrae superioris. C. extensor pollicis longus. D. 1 and 4 E. The. i think it's the rectus capi lateralus. Author: holds it in place) so that the prime mover can act more efficiently. It is also known as SCM or Sternomastoid or Sterno muscle. a. Biceps brachii b. Triceps brachii c. Jaw d. Tongue. Describe what would happen to the surface temperature of a star if its radius doubled but there was no change in the stars luminosity. a. intermittent claudication b. spasmodic torticollis c. myasthenia gravis d. contracture, What muscle performs the opposite action (antagonist) of soleus? B. semispinalis capitis C. contributes to laughing and smiling. D- orbicularis oris- puckers lips, Which muscle is NOT paired with its correct function? B hemoglobin in muscles A. flexors. D flex the arm, The muscle on the posterior side of the shoulder that raises the shoulder is the: deltoid; at a right angle to D adductor group, The mucle on the lateral side of the hip that abducts the thigh is the: A. injuries resulting from excessive stress on the tibialis posterior. Do you experience neck pain at work? What are the muscles in the neck and the chest area? Previously, a single source of progenitor cells was thought to be responsible for the formation of the cardiac muscle. What is the antagonist of the Scalenes (Neck extension)? C. contributes to laughing and smiling. C. Diaphragm. A. pectoralis major Some of the antagonistic pairs are as follows: Biceps and triceps Gluteus maximum and hip flexors Hamstrings and quadriceps Pectoralis major and latissimus dorsi C. brachialis Identify the muscle that performs the following function: Two muscles that close the mouth. The main forearm extensor is the __________. Which of the following muscles is a flexor of the thigh? D myoglobin in muscles, Which statement is NOT true of oxygen and muscles? three, moose, plane. A. forearm. transversus thoracis, levator scapulae, pectoralis minor, rhomboideus muscles, serratus anterior, trapezius, choose all that apply: A quadriceps femoris - The number of muscle fibers best determines how powerful a muscle will be. That is, how are did_{\mathrm{i}}di and dod_{\mathrm{o}}do related? Which of the following muscles is responsible for closing the eyelids? Tilt your head to the right as far as you comfortably can. D. levator palpebrae superioris B hamstring group Which muscle is known as the "boxer's muscle" for its ability to move the arm horizontally, as in throwing a punch? E. soleus, Which of the following is inserted on the calcaneus by the Achilles tendon? E. fibularis brevis, . inversion D the most strenuous muscle contractions, The part of the brain that initiates muscle contraction is the: During the collision with the ground, he comes to rest in a time of 0.010 s. The average force exerted on him by the ground is + 18 000 N, where the upward direction is taken to be the positive direction. D. transversus abdominis D. rhomboidal. D gastrocnemius, David N. Shier, Jackie L. Butler, Ricki Lewis, Hole's Essentials of Human Anatomy and Physiology, David Shier, Jackie Butler, John Hole, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, 3.1 - Definitions (Monitoring, Process Contro, Unit 2 - Cell Structure and Function AP BIO. a) Biceps femoris b) Gluteus medius c) Tensor fasciae latae d) Adductor longus e) Rectus femoris. A. puckers the mouth for kissing. C twitch/tetanus (ii) Is the magnitude of the ground-state momentum - the location of the muscle A unilateral contraction of the sternocleidomastoid muscle flexes the cervical vertebral column to the same side (lateral flexion) and rotates the head to the opposite side. E. raises the eyelid. Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. B. procerus TLR9 is an important receptor expressed in immune system cells including dendritic cells, macrophages, natural killer cells, and other antigen presenting cells. a) Temporalis b) Frontalis c) Sternocleidomastoid d) Risorius. coccygeus D. flexor digitorum profundus List the muscles of the Thenar eminence and their function. E. extend and laterally flex the neck, Which of the following muscles does NOT extend the neck? C both A and B Name five muscles that extend the vertebral column. Select all that apply. A gluteus medius What are the three muscles in the group of arm flexors, innervated by the musculocutaneous nerve? B. triceps brachii E. fixator. E. transverses thoracis. If the head is fixed, it elevates the sternum and clavicle and, thus, expands the thoracic cavity (inspiratory breathing muscle). D. subclavius Muscles that change the shape of the tongue are called C. interspinales A. deltoid in this case, it's the upper trapezius and another muscle in the front of the neck called sternocleidomastoid. The deltoid is a muscle named according to __________. B. gastrocnemius. C. interspinales D troponin and myosin, When nerve impulses arrive so rapidly that a muscle fiber has no chance to relax, the result is In the following exercise, the first sentence describes someone or something. C. are smooth muscles rather than skeletal muscles. The sternocleidomastoid is the prime mover and the splenius cervicis is the antagonist. A. sternocleidomastoid muscles B. scalene muscles C. pectoralis major D. masseter, When the biceps brachii flexes, what is the antagonist? D. flexor digitorum profundus D. posterior compartment syndrome. 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 classic example of this condition is the muscular torticollis, a tonic spasm of the sternocleidomastoid. C. orbicularis oculi c. Spinalis. E. coracobrachialis, The teres major and teres minor are not involved in The radial pulse can be felt just lateral to the tendon of the (c) equal for both wells? D. vastus medialis Muscles that work like this are called antagonistic pairs. Muscle antagonists In order to maintain a balance of tension at a joint we also have a muscle or muscles that resist a movement. B pump more blood to muscles C. trapezius the long axis A muscle that assists the prime mover muscle. A. retinacula. E. down. A. erector spinae The sternocleidomastoid muscle creates the borders for both the anterior and the posterior triangles of the neck, and is innervated by the spinal accessory nerve (). The lateral and posterior neck muscles are involved in what head movements? serratus anterior The attachment site of the muscle tendon to the more-movable bone is called the __________. B sacromere - the locations of the muscle attachments What are the muscles of the face and neck? From what height did the student fall? Which of the following muscles is involved in chewing gum? C biceps brachii A. levator ani only. - the number of origins for the muscle D. causes crow's feet wrinkles. Choose the BEST answer and use each answer only once for full points. B the parietal lobes of the cerebrum integrate conscious muscle sense D. tummy tucks. A third charge is placed so that the entire three-charge system is in static equilibrium. Which of the following muscles moves the scapula? Antagonist - drug that inhibits or slows activity to receptor -1 - increases mean blood pressure by vaso constriction. D. rotate the head toward the left. E. 1, 2, 3. back muscles are strong to maintain erect posture. A. brachioradialis and anconeus. Which of the following muscles is named for its action? B. longissimus capitis A. extensor indicis. The prime mover of arm flexion is the __________. C teres major d) buccinator. E. lifting weight with your arm. could be wrong, but im. C. D creatine phosphate/creatine, In cell respiration in muscles, the product that is a waste product is: C. vastus intermedius A. erector spinae Which large muscle has an attachment on the external occipital protuberance and extends the neck? A muscle that crosses the posterior side of a joint will always cause extension. B. infrahyoid Which of these muscles is not the muscle of inspiration? A student (m = 63 kg) falls freely from rest and strikes the ground. It pulls the charge forward. A. pectineus E. trapezius, hold the head of the humerus in the glenoid fossa of the scapula, The rotator cuff muscles skeletal muscle contracts and pulls on bone. What is this muscle called? A muscle sense E. zygomaticus and buccinator. B muscle tone Which of the following is a part of the quadriceps femoris muscle group? . E. biceps femoris. The trapezius muscle is a large, triangular, paired muscle located on the posterior aspect of the neck and thorax. The trapezius has many attachment points, extending from the skull and vertebral column to the shoulder girdle . C. extensor digitorum longus E. brachioradialis. Contracting the right sternocleidomastoid muscle would B. deep transverse perineum muscle. Damage to the muscle called the levator ani would result in B. soleus E. extensor digiti minimi. B. class II lever system. B. lumbricals. A. gastrocnemius A. Brachialis B. Deltoid C. Triceps Brachii D. Brachioradialis E. Trapezius. D. suprahyoid Agonists are the prime movers for an action. Provide their functions. trapezius D. extensor hallicus longus (1) right lateral rectus D increase the blood supply within muscles, A single muscle fiber contraction is called a ______, and the sustained contraction of a muscle fiber is called ______. Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae. A deltoid An agonist (prime mover) b. pennate arrangement of fascicles; spindle-shaped muscle Which of the following is found in the posterior group of forearm muscles? What is the antagonist of the Adductor Magnus (adduction of femur)? Their antagonists are the _____ muscles. - the nervous system's control of the muscle, the nervous system's control of the muscle. When both muscles of this pair are contracted simultaneously, they flex the neck forward. A. quadriceps femoris Register now D. thumb; index finger A. a dimple in the chin. A. extend the neck. C. flexor pollicis brevis Appendicular muscles work to control the movements of the arms and legs, while the axial muscles are located in the head, neck and trunk. B. origin and insertion. The sternocleidomastoid muscle inserts on the ________. A. tibialis posterior What is the antagonist of the Brachioradialis (Flexion of forearm)? B. deglutition muscles. D. biceps femoris a muscle working in opposition to another muscle A. pennate. D. multifidus E. gracilis, Which muscle abducts and flexes the thigh? C. latissimus dorsi C myosin filaments - gastrocnemius tendon at the ankle: first-class lever, biceps brachii at the elbow; third-class lever, Identify the action of the transversus abdominis. A. levator scapulae 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. The carotid pulse may be felt in the middle third of the front edge. B sacrospinalis D. B. the end of the muscle where the action occurs. Hold for 30 seconds. Study Anatomy Semester 1 exam review flashcards. C heat A end lines of a sarcomere, and actin filaments are attached A muscle that stabilizes the origin of the prime mover (i.e. A. straight. A. infraspinatus articular muscle one that has one end attached to the capsule of a joint. d. Splenius. - triceps brachii at the elbow; third-class lever (b) greater for well 2, or C. extensor digitorum longus d) occipitalis. C buccinator Thanks rx0711. The two heads join into one muscle belly that goes on to insert on the lateral surface of themastoid process of the temporal bone and the lateral half of thesuperior nuchal line of the occipital bone. E. orbicularis oculi. What is the antagonist of the Vastus Intermedius (knee extension)? A muscle that extends both the wrist and the index finger is the C acetylcholine to transmit the impulse to the muscle fiber A latissimus dorsi Musculus sternocleidomastoideus 1/3 Synonyms: SCM The sternocleidomastoid muscle is a two-headed neck muscle, which true to its name bears attachments to the manubrium of sternum (sterno-), the clavicle (-cleido-), and the mastoid process of the temporal bone (-mastoid). anterior scalene, Eversion and plantar flexion is accomplished by muscles in the ______ compartment. Which of these muscles is the muscle of expiration? Wiki User. B. opening the mouth. C. inability of a male to have an erection. C. extensor digitorum longus inferior oblique Sternocleidomastoid muscle: want to learn more about it? E. swallowing. The sternocleidomastoid is innervated by the accessory nerve . C. external abdominal oblique. D. subclavius A hemoglobin in blood plasma All rights reserved. To define the origin, insertion, and belly of a skeletal muscle. The subclavian muscle originates on the _____. This can be muscle tissue, fascia, tendons and ligaments. E. quadratus lumborum, difficult defecation and decreased support for the pelvic viscera. A cerebrum: frontal lobes The sternocleidomastoid muscle flexes the neck and helps with movement of the head. B. deep back muscles extend from the vertebrae to the ribs. All of these muscles working together can create an efficient, consistent stream of air that will help a singer create a strong and beautiful . Which muscle group is the antagonist? Which of the following muscles would be considered an antagonist to the rectus femoris? splenius capitis What is the antagonist of the Rhomboids (Retract scapula)? D. anconeus and supinator. Platysma and the sternocleidomastoid muscle A loose connective tissue layer called the superficial cervical fascia is present between the platysma and the sternocleidomastoid muscle, which allows an easy glide of the platysma over the sternocleidomastoid. The chicken embryo, which develops in the egg, outside the mother can easily be manipulated in vivo and in vitro. What is the antagonist of the Rectus Abdominus (Trunk flexion)? D trapezius, The muscle on the posterior side of the trunk that extends and adducts the arm is the: A orbicularis oris D. deltoid What is the antagonist of the Teres Minor (Lateral rotation humerus)? E. external intercostals. The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. B extend the leg A increased heart rate pumps more blood to muscles c) sternocleidomastoid. Ans ) 1)Sternocleidomastoid - splenius Action : Sternocleidomastoid ; flex and rotate head side to side Splenius : Extension of head 2)Br View the full answer Transcribed image text: Match each muscle on the left with an antagonistic muscle on the right. D there is too little oxygen in the lungs, In the neuromuscular junction, the membrane of the muscle fiber is called the: a) Clavicle b) Cervical vertebrae c) Scapula d) Sacrum. The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. A. E. fibularis brevis, Which muscle everts and plantar flexes the foot? Contracting the trapezius muscle would B. flexor carpi ulnaris The pelvic diaphragm consists of what two muscles? C. pectoralis minor In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the _____ muscle group is used. Discover the muscles of the face, neck, and back. You can argue that a flat piece of glass, such as in a window, is like a lens with an infinite focal length. D increase the blood supply within muscles, The muscle on the lateral surface of the shoulder that abducts the arm is the C. internal abdominal oblique fulcrum-weight-pull, internal intercostals, transversus thoracis, choose all that apply: B trapezius- raises shoulders C. ring finger; thumb B cerebellum Splenius Cervicis. B. tibialis anterior Splenius Capitus. Sternocleidomastoid is the most superficial and largest muscle in the front portion of the neck. (b) greater for well 2, or A. rectus abdominis B. Abdominal. B center lines of a sarcomere, and actin filaments are attached Most of us carry a lot of tension in the upper trapezius and neck muscles. E. stylohyoid. 10. Infer information from the first sentence, and then choose the word from the Word Bank that best completes the second sentence. E. teres major. Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. E. coracobrachialis. What is the antagonist of the Spinalis (Spine extension)? C. vastus lateralis D. transversus abdominis stress fractures of the fibula 2 to 5 cm distal to the knee. A. rectus femoris An antagonist muscle is in opposition to a prime mover in that it provides some resistance and/or reverses a given movement. B. D. extensor hallicus longus a. platysma b. occipitalis c. sternohyoid d. mylohyoid. What is the antagonist of the Semitendinosus (knee flexion)? a. external intercostal b. abdominal wall muscles c. diaphragm d. sternocleidomastoid e. pectoralis major, Protrusion-Retrusion involves the movements of which muscle? Which of the following muscles performs cervical extension only? C. a wonderful smile. If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles? Dimitrios Mytilinaios MD, PhD Rectus Abdominus, external oblique, internal oblique D gastrocnemius, The muscle on the anterior thigh that extends the lower leg is the: A. supraspinatus A. up. What action would a muscle have to be responsible for in order for the muscle to be an antagonist of the triceps brachia at the shoulder joint? What is the antagonist of the Glutues Maximus (extension of femur)? The digastric muscle is involved in B semispinalis capitis and sternocleidomastoid auricular m's 1. the extrinsic auricular muscles, including the anterior, posterior, and superior auricular muscles. @article{GravenNielsen1997EffectsOE, title={Effects of experimental muscle pain on muscle activity and co-ordination during static and dynamic motor function. C. medially rotates the arm. D. triceps brachii D. causes crow's feet wrinkles. Teres Major, Latissimus Dorsi, Pectoralis Major, Coracobrachialis. A gastrocnemius and soleus Muscles that elevate the jaw and close the mouth include the C. thenar muscles A. levator scapulae A muscle in opposition to the action of a prime mover muscle. C. the muscle that does most of the movement. E. All of these choices are correct. D. tensor fasciae latae C. extensor digitorum longus C. internal abdominal oblique B creatine phosphate the muscle elevates and/or adducts a region. A. pectoralis major. Antonyms for sternocleidomastoid (muscle). A. erector spinae B. flexor carpi radialis 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. The sternocleidomastoid muscle is an axial muscle located on either side of the neck and supports forward and lateral flexion at the neck as well as rotation and elevation of the sternum and. This is an example of muscles working as. I would honestly say that Kenhub cut my study time in half. a. Digastric b. Mylohyoid c. Omohyoid d. Sternocleidomastoid. Please rename your sets if you copy mine and DO NOT include the term Sap's Student in the title of your set. joint act as a fulcrum. C. peroneus brevis A glycogen/carbon dioxide What is the antagonist of the Biceps Brachii (Flexion of forearm)? A. stomach contractions. A raise the shoulder a) Deltoid b) Pec Major c) Bicep Brachii d) Supraspinatus. a. Longissimus. a) Splenius capitis b) Semispinalis capitis c) Sternocleidomastoid d) Trapezius. C. vastus lateralis D iliopsoas, The muscle on the anterior thigh that flexes the thigh is the: movement of the masseter and the temporalis. . B. accounts for a sprinter's stance. C gluteus maximus flexes thigh Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)? . a. pectoralis minor b. infraspinatus c. rhomboid major d. serratus anterior. The splenius captis is located on the lateral side of the C7. B. serratus anterior B. force or pull is applied by the bone. Under the sternocleidomastoid region runs a neurovascular bundle containing: When putting a central venous catheter (CVC), the medial edge of the sternocleidomastoid muscle serves as a lead structure. Flexor Carpi Ulnaris, Flexor Carpi Radialis. The major head flexor muscles are the __________. E. attach at the distal end of the humerus, A tennis player complains of severe pain in the shoulder when serving or returning an overhead volley. hope you all enjoy the vid!enjoy the video and reflect on the mod. B. It is a member of the toll-like receptor (TLR) family. B. supraspinatus and latissimus dorsi. E. multipennate. C. rotate the head toward the right. What is the relationship between these muscles when bowing your head? D. gluteus maximus. D. tensor fasciae latae A. iliopsoas. EXAMPLE:The 3 mooses were startled by the plain roaring overhead. E. gastrocnemius, Which of the following is a posterior thigh muscle? A. flexor carpi ulnaris. C. urination. What is the antagonist of the Internal Oblique (Trunk flexion)? All other trademarks and copyrights are the property of their respective owners. C. biceps femoris . Tuck your chin in and downwards. A. quadriceps femoris E. a group of muscles that work together to cause movement. d) masseter. To identify the relationship between bones and skeletal muscles in producing movement. The muscle is closely related to certain neurovascular structures that pass through the neck on their way either to the head or to the periphery of the body. A actin and troponin How many origins are there for the biceps brachii muscle? Which of the following muscles acts to protract the mandible? Which of the following statements is correct? . C. thumb. eversion Antagonists: Longissimus Capitis Spinalis Capitis Splenius Capitis Semispinalis Capitis Sternocleidomastoid (posterior fibers) 3. B pectoralis major (a) diaphragm (b) external intercostals (c) sternocleidomastoid (d) scalenes (e) abdominal muscles. D gluteus medius and adductor group, Which muscle is NOT paired with an antagonist? B circulate more blood to muscles The arm is attached to the thorax by the B. fingers. What is the antagonist of the Quadratus Lumborum (Lateral trunk flexion)? E. type and shape, Which of the following muscles is named for its shape? What is the antagonist of the Peroneus Longus (eversion)? The ________ vertebrae are located in the neck. Which of the following muscles has two heads? What is the antagonist of the Internal Intercostals (Depress ribs)? Lateral flexion of the head and cervical spine when acting unilaterally Agonists: Splenius Capitis Antagonists: Splenius Capitis - contralateral side 4. A. tibialis anterior C. psoas major and iliacus. a. Semitendinosus, Semimembranosus, Biceps Femoris. What are the functions of the sternocleidomastoid muscle? E. quadratus lumborum, Which abdominal wall muscle is the most superficial of the oblique muscles? E. psoas minor, Which back muscle inserts on the ribs and vertebrae? c) medial pterygoid. D more permeable to sodium ions, Which statement is NOT true of the electrical events at the sarcolemma? A. auricular A. puckers the mouth for kissing. A. rectus abdominis B. transversus abdominis C. erector spinae D. latissimus dorsi. [2] It protects the vertical neurovascular bundle of neck, branches of cervical plexus, deep cervical lymph nodes and soft tissues of neck from damage [2 . If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF? Which of the following muscles is involved in forced expiration? Do a total of 5 to 10 side neck stretches. E. piriformis and quadratus femoris. D. abducts the arm. C. abductors. extension A. class I lever system. A. function and orientation. This article will discuss the anatomy, function and clinical relations of the sternocleidomastoid muscle. What is the antagonist of the Flexor Carpi Ulnaris (wrist flexion)? E. abductor pollicis brevis. What is the antagonist of the Iliocostalis (Spine extension)? Synergists help agonists. E. psoas minor, Which muscle flexes the vertebral column? B. diaphragm. The Sternocleidomastoid Trigger Points. D. lateral rotation of the arm. What is the antagonist of the Pronator Teres (pronate forearm)? b. C gluteus maximus C. temporalis A. biceps femoris 1 and 3 C more heat is produced as cell respiration decreases What are the magnitude, sign, and xxx-coordinate of the third charge? C. interspinales B tetanus What are synonyms for sternocleidomastoid (muscle)? Repeat on other side. E. biceps femoris. C. abductor pollicis longus Which description of a muscle action is NOT correct? B. obliquely. C increase the removal of carbon dioxide What is the antagonist of the External Intercostals (Elevate ribs)? The end of the muscle that connects to the sternum is the, When a skeletal muscle contracts to cause a given movement, the more movable end of attachment of the muscle is termed its, When you "pull your tummy in" and compress your abdomen, you use the rectus abdominis, external abdominal oblique, internal abdominal oblique, and transversus abdominis muscles. Fixators hold joints in place, so movement does not occur. Which statement is NOT true of organ systems and movement? D deltoid and brachioradialis, The muscle on the posterior lower leg that plantar flexes the foot is the: The muscle(s) of mastication include which of the following? The trapezius muscle runs from the back and sides of your neck to your shoulder blades. D. extensor hallicus longus The sternocleidomastoid muscles help to flex the neck. Identify two muscles that are antagonists of tibialis posterior. - biceps brachii at the elbow; third-class lever Which of the rotator cuff muscles is probably damaged? Anatomy. If this is the case it might be time to consider a muscular or mechanical reason for the symptoms. Each of the following terms is a descriptive term for a muscle's action, except __________. C- tibialis anterior- dorsiflexes foot A. deltoid A. sacral B. thoracic C. cervical D. cranial, Which muscle acts as an agonist with the teres minor during lateral rotation of the shoulder? D. intrinsic muscles. A. rhomboideus major B tetanus/coordination In humans Focal dystonia, also known as "writer's cramp" or "pianist's cramp" is a painless motor control disorder involving sustained muscular contraction. The sternocleidomastoid muscle (also known as sternomastoid ) is found in the neck. B. quadriceps femoris I hope you are all good and healthy!the sternocleidomastoid muscle. C. medial rotation of the arm. Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor? a. teres major b. infraspinatus c. latissimus dorsi d. subscapularis, Holds other joints in position during contraction a) Acetylcholine b) Antagonist muscle c) Synergist muscle d) Fixator muscle, Which of the following muscles is an important elevator of the scapula? D. retinaculum. b. Muscles that have their fasciculi arranged like barbs of a feather along a common tendon are called. C. pectoralis minor and pectoralis major. Choose the letter that best answers the question or completes the statement. D. extensor digitorum longus external anal sphincter lateral flexion (c) Transverse cervical. D. tibialis posterior Explain how the sternocleidomastoid and splenius muscles can act as either synergists or antagonists for the actions of the neck flexion, extension, and lateral rotation. What is the antagonist of the Extensor Carpi Radialis Longus (wrist extension)? C impulses from the brain are needed for voluntary movement All of the following muscles are rotators of the arm.

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