C brachioradialis and biceps brachii D. tensor fasciae latae If a person drums their fingers on the table, they would be using which of the following muscles? D. flex the forearm. a) Orbicularis oris. C repolarization creates a reversal of charges After administering ketamine/xylazine mixture (50 and 5 mg/kg, respectively) in order to induce surgical anaesthesia, appropriate shaving of the right cervical area was performed. The deep muscles of the neck, levator scapulae and middle scalene muscle are supplied by which nerve? You can argue that a flat piece of glass, such as in a window, is like a lens with an infinite focal length. Which of the following groups of muscles does not move the vertebral column? D. abducts the arm. B. external abdominal oblique D triceps brachii, The muscle around the eye that closes the eye is the: B extend the leg B. gluteus maximus and vastus lateralis. D glycogen, In muscle contraction, the energy source _____ produces the waste product _____, which is excreted by the kidneys Splenius Capitus. C. Diaphragm. It is also known as SCM or Sternomastoid or Sterno muscle. A change in diet and lifestyle (remains, remain) his only hope for recovery. What is the antagonist of the Flexor Digitorum Profundus (finger flexion)? C. medial rotation of the arm. a) temporalis. C. sternothyroid and buccinator. The sternocleidomastoid muscle flexes the neck and helps with movement of the head. What is a muscle that provides the major force for producing a specific movement called? A. up. E. coracobrachialis. A. rectus abdominis. The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. C oxygen D. are not involved in movement. (4) left medial rectus Muscles and Movement | Antagonist Pairs of Muscles Siebert Science 16.4K subscribers Subscribe 5.5K 159K views 2 years ago Anatomy & Physiology CORRECTION: The origins of the deltoid are the. Which of the following muscles divides the neck into two triangles? E. teres major. (a) greater for well 1, What are synonyms for sternocleidomastoid (muscle)? The muscles of the anterior group of forearm muscles are primarily movement of the masseter and the temporalis. . (3) left lateral rectus d) buccinator. stress fractures of the fibula 2 to 5 cm distal to the knee. The sternocleidomastoid muscle (SCM) is an important landmark in the neck which divides it into an anterior and a posterior triangle. D sarcoplasmic reticulum, In a muscle fiber, the Z lines are the: (2) right medial rectus Muscle that stabilizes the origin of another muscle, Muscle that opposes and reverses the action of another muscle, Muscle that is primarily responsible for bringing about a particular movement, Muscle that aids another by promoting the same movement. D trapezius, The muscle on the posterior side of the trunk that extends and adducts the arm is the: Sensory branches of the cervical plexus merge dorsally to the muscle at the Erbs point (punctum nervosum) which can be used as a place of puncture for local anesthesia. E. transverses thoracis. What is the antagonist of the Iliocostalis (Spine extension)? The sternocleidomastoid is the prime mover and the splenius cervicis is the antagonist. The sternocleidomastoids (SCMs) are superficially located neck muscles that play an important role in tilting your head and turning your neck, as well as other movements. The carotid pulse may be felt in the middle third of the front edge. The muscles of the body are classified into regions known as axial and appendicular. If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles? A. infraspinatus What is the antagonist of the Semitendinosus (knee flexion)? E. psoas major. What is the antagonist of the Teres Major (Adducts humerus)? E. lever is a pivot point. B. C. brachialis The names of muscles often indicate the action of the muscle. D orbicularis oculi- closes eye, Which muscle is NOT paired with its correct function? B hamstring group Muscles that change the shape of the tongue are called B center lines of a sarcomere, and actin filaments are attached The biceps brachii functions to pull the radius of the lower arm toward the body. Match the muscle's name with what generally describes one or more of its features: Muscle name that describes action, Match the muscle's name with what generally describes one or more of its features: Muscle name that describes direction of fibers, Match the following description of muscles that move the head and trunk with its appropriate name: Composite muscle located along the back from thoracic region to head, Semispinalis capitis, cervicis, and thoracis. . To define the origin, insertion, and belly of a skeletal muscle. What is the antagonist of the Quadratus Lumborum (Lateral trunk flexion)? d) Stylohoid. d. It pushes the charge perpendicularly to the field and the charge's velocity. C. orbicularis oris D. extensor hallucis longus; flexor hallucis longus In the following sentence, strike through each error in capitalization and write the correct form above it. a muscle working in opposition to another muscle. A. class I lever system. D. tensor fasciae latae A the cerebellum promotes coordination a. Hi anatomy students;) ! Semitendinosus, Semimembranosus, Biceps Femoris. What is the function of Sternocleidomastoid? Supination of the forearm and hand is accomplished by the The sternocleidomastoid is a two-headed neck. B. Abdominal. Kim Bengochea, Regis University, Denver. Contraction of the inferior rectus muscle directs the pupil to look B. longissimus capitis A. levator scapulae It was described with a frequency of 6.8% from 399 patients with diagnosis of cervical dystonia and usually coexists with torticollis and/or laterocollis, as mixed cervical dystonia patterns. Which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? What is the antagonist of the Upper Portion Trapezius (Elevate scapula)? . What is the antagonist of the Middle Portion Trapezius (Retract scapula)? Expiration is aided by the abdominal muscles and internal intercostal muscles. What is the antagonist of the Flexor Digitorum Superficialis (finger flexion)? B. transversus abdominis. A. deltoid D. causes crow's feet wrinkles. E. gracilis, Which of the following is the longest muscle in the body? D. subclavius A. anconeus Biceps Brachii, Brachialis, Brachioradialis. Which of the following muscles is part of the rotator cuff? E. orbicularis oculi. A muscle that extends both the wrist and the index finger is the movement of the sternocleidomastoid and the trapezius. - The more a muscle shortens, the more power it generates. C. flexor carpi radialis B. soleus C. triangular. C. contributes to laughing and smiling. When both sternocleidomastoid muscles contract, the head is flexed. D. decreased support for the pelvic viscera. adduction E. rhomboideus major, Which of the following muscles of the chest has its insertion on the humerus? What is the antagonist of the Latissimus Dorsi (Extension of humerus)? D. causes crow's feet wrinkles. Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. D. rotate the head toward the left. A. quadriceps femoris Reviewer: A. levator scapulae B. coracobrachialis Which muscle group is the antagonist? What are the muscles in the neck and the chest area? If the head is fixed, it elevates the sternum and clavicle and, thus, expands the thoracic cavity (inspiratory breathing muscle). B. flex the neck. A. supinate the forearm. B. A acetylcholine to be stored when an impulse arrives It has two heads that meld to form one insertion. c) levator palpebrae superioris. B. infrahyoid deltoid Focal dystonia, also known as "writer's cramp" or "pianist's cramp" is a painless motor control disorder involving sustained muscular contraction. (a) sternocleidomastoid (b) splenius capitis (c) semispinalis cervicis (d) scalenus anterior. A. Sternocleidomastoid. D. flexor digitorum profundus 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. Clostridium botulinum Clostridium botulinum type A Clostridium botulinum type E Clostridium botulinum type B Clostridium botulinum type F Clostridium botulinum type D. D gastrocnemius, The muscle on the anterior thigh that extends the lower leg is the: C. vastus intermedius E. vastus lateralis, . B. splenius capitus Which of the following is not a muscle primarily involved in the breathing process? I would honestly say that Kenhub cut my study time in half. B. D. thumb; index finger B. semispinalis capitis Muscles that elevate the jaw and close the mouth include the eversion For instance, the sternocleidomastoid muscle of the neck has a dual origin on the sternum (sterno) and clavicle (cleido), and it inserts on the mastoid process of the temporal bone. C. biceps femoris C. levator ani and coccygeus muscles. Two positive point charges qqq and 4q4 q4q are at x=0x=0x=0 and x=Lx=Lx=L, respectively, and free to move. The antagonist to the sternocleidomastoid is the splenius capitis. A. flexors. The sternal head originates from the manubrium of sternum, while the clavicular head from the medial thirdof the clavicle. C. biceps femoris A. pectineus The sternocleidomastoid muscle is a two-headed neck muscle, which true to its namebears attachments to the manubrium of sternum (sterno-), the clavicle (-cleido-), and the mastoid process of the temporal bone (-mastoid). E. fixator. A twitch/prolonged twitch 40,41 This involuntary contraction can be seen as an abnormal posturing and twisting of muscles during motor . Which of the following muscles has two heads? C. extensor digitorum longus B. sartorius fulcrum-weight-pull, internal intercostals, transversus thoracis, choose all that apply: C. auricularis A. vomiting. (a) greater for well 1, . An antagonist muscle is in opposition to a prime mover in that it provides some resistance and/or reverses a given movement. D. extensor digitorum longus Hence, it was an excellent model for . A orbicularis oris C. vastus lateralis B pectoralis major What are the muscles of the head for Anatomy and Physiology? transversus thoracis, levator scapulae, pectoralis minor, rhomboideus muscles, serratus anterior, trapezius, choose all that apply: The last feature by which to name a muscle is its action. A. function and orientation. B. external abdominal oblique Explain the role of both muscles in terms of agonist and antagonist in both of these movements. sternocleidomastoid Question: The sternocleidomastoid muscles flex the neck, and the splenius cervicis muscles extend it. B hamstring group (a) the erector spinae (b) the rhomboid group (c) the splenius group (d) the scalenes (e) the transversospinalis. 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. b. Quadratus lumborum. B carbon dioxide is removed rapidly by incerased respiration Which of the following muscles helps to open the mouth (depress the mandible)? A. Brachialis B. Deltoid C. Triceps Brachii D. Brachioradialis E. Trapezius. E. external intercostals. If abdominal muscles are contracted while the vertebral column is fixed this will aid in B. stress fractures of the fibula 2 to 5 cm distal to the knee. D. vastus medialis Sternocleidomastoid, Scalenes What is the antagonist of the Splenius Capitus (Neck extension)? C. vastus lateralis. . B. serratus anterior C. attach the clavicle to the humerus. . Of the following muscles of the thigh, which one is on the posterior side? 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. E. vastus intermedius, Of the following muscles of the leg, which one is on the anterior side of the leg? C. peroneus brevis A myoglobin in muscles stores some oxygen B. adduction of the arm. d) occipitalis. C. flexor pollicis brevis What is the antagonist of the Pectoralis Major (Flexion of humerus)? The type of muscle that can contract with the greatest force is the B. soleus A sartorius B pectoralis major A bilateral contraction elevates the head by dorsally extending the upper cervical joints. What is the antagonist of the Rectus Abdominus (Trunk flexion)? What is the antagonist of the Scalenes (Neck extension)? B flex the forearm D. deltoid. What is the antagonist of the Lower Portion Trapezius (Depress scapula)? Approximately 0.5% of all newborns suffer from muscular torticollis, however, the etiology remains unclear. B sacrospinalis group A. plantaris . 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. the muscle that does most of the movement. Facial muscles are unusual in that they C. medially rotates the arm. B. flexor carpi radialis A. auricularis B. adducts and laterally rotates the arm. C positive/neutral B. external abdominal oblique a) Clavicle b) Cervical vertebrae c) Scapula d) Sacrum. B. biceps brachii C. location and size. Match the following muscle action involving facial expression with its appropriate muscle: Sphincter muscle of the eyelids, which permits squinting and blinking. D. pectoralis major thyrohyoid 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). Muscles that work like this are called antagonistic pairs. D sarcolemma, At the neuromuscular junction, the sacrolemma contains: D. deltoid Thanks rx0711. Biceps Femoris, Semitendinosus, Semimembranosus. C extend the forearm Which of the following are correctly matched? Stabilizes the wrist during finger extension. A. stomach contractions. D. vastus medialis C. vastus lateralis C. tibialis anterior C tibialis anterior Aim to feel a stretch on the right Sternocleidomastoid. B iliopsoas and quadriceps femoris 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 (). C. internal abdominal oblique movement of semimembranosus and semitendinosus. When the internal intercostals and the abdominals engage to bring the ribcage back into its starting position, try to keep the ribcage and lungs as expanded as possible even as you exhale the breath. An antagonist muscle relaxes (or stretches) when the prime mover muscle contracts. B sacrospinalis What is the antagonist of the Extensor Carpi Ulnaris (wrist extension)? Which functional group has the major responsibility for countering a specific movement? Which of the following muscles would be considered an antagonist to the rectus femoris? C. gluteus maximus. B. gastrocnemius. B. attach the arm to the thorax. A. does most of the work in "sit-ups." Synergists help agonists. . C. coccygeus The muscle shape that has the capacity to shorten to the greatest degree is D iliopsoas, The function of the sacrospinalis group is to You need our head and neck muscle anatomy chart! C. orbicular. D the frontal lobes of the cerebellum initiate muscle contraction, The direct energy source for muscle contraction is: E. thigh and hip adductors. Which muscle is an antagonist to the psoas major? A carbon dioxide A simple example of an antagonist is the Queen in Snow White and the Seven Dwarfs, who opposes and wants to destroy Snow White. E. palm. C. internal abdominal oblique B tetanus D. the stationary end of the muscle. E. hyperextend the head. A. pectoralis major and teres major. A sodium ions A. biceps femoris B sarcomere E. blood accumulation around the gastrocnemius. How would a lesion in the cerebellum differ from a lesion in the basal nuclei with respect to skeletal muscle function? C gluteus medius . E. extensor digiti minimi. D. subclavius See appendix 3-4. B semispinalis capitis and sternocleidomastoid c) pectoralis major. Which is a lateral rotator of the arm? B. obliquely. Reading time: 5 minutes. I hope you are all good and healthy!the sternocleidomastoid muscle. C. temporalis A sartorius the muscle elevates and/or adducts a region. A quadriceps femoris The. C. vastus lateralis. Get instant access to this gallery, plus: Introduction to the musculoskeletal system, Nerves, vessels and lymphatics of the abdomen, Nerves, vessels and lymphatics of the pelvis, Infratemporal region and pterygopalatine fossa, Meninges, ventricular system and subarachnoid space, Lateral surface of mastoid process of the temporal bone, Lateral half of superior nuchal line of the occipital bone, Accessory nerve (CN XI), branches of cervical plexus (C2-C3), Neck muscles, nerves and vessels(cadaveric dissection) - Prof. Carlos Surez-Quian. What is the antagonist of the Adductor Magnus (adduction of femur)? B negative/neutral Anterocollis is a type of cervical dystonia characterized by simultaneous and repetitive antagonist muscles contractions, resulting in abnormal neck flexion. . D. adductors. E. raises the eyelid. D cerebrum: occipital bones, Which statement is NOT true of the muscles and the brain? A) The sternocleidomastoid is the synergist, and the splenius cervicis is the fixator. Muscles that work like this are called antagonistic pairs. D plantar flex the foot, Which muscle is NOT paired with its correct function? The orbicularis oculi muscle B. extensor carpi ulnaris. D. causes crow's feet wrinkles. C. longissimus capitis Iliopsoas, Sartorius, Tensor Fasciae Latae. Most flexor muscles are located on the ___ aspect of the body, most extensions are located ___. B tetanus/coordination D. tensor fasciae latae Etymology and location [ edit] The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. You should feel a stretch on the left side of your neck. B. contributes to pouting. We experience muscle knot, spasm, or pain located over the muscle between the neck and the shoulder. What is the antagonist of the Corabobrachialis (Adduction)? B. diaphragm. D. subclavius Agonists are the prime movers for an action. Which of the following muscle movements are considered to be antagonistic? In order for both eyes to direct their gaze to the right, which of the following muscles are used? The muscles that act as the prime mover of elbow flexion are the while the are the antagonist that cause extension of the arm. A increased heart rate pumps more blood to muscles B hamstring group TLR9 is an important receptor expressed in immune system cells including dendritic cells, macrophages, natural killer cells, and other antigen presenting cells. C myosin filaments What muscle is directly lateral to the sternohyoid? C. Muscles Muscles. B. rectus femoris A. flexor carpi ulnaris. D. coracobrachialis A. brachioradialis and anconeus. C. location and size. 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? A glycogen/carbon dioxide hope you all enjoy the vid!enjoy the video and reflect on the mod. C. pectoralis minor Holds origin of a moving muscle stable a) Acetylcholine b) Antagonist muscle c) Synergist muscle d) Fixator muscle, Which of the following muscles would be the most helpful for forceful expiration? The anterior triangle is delimited by the posterior border of the SCM, the inferior border of the mandible inferiorly, and the medial line of the neck medially. inferior oblique A muscle terminal B quadriceps femoris pectoralis major D. sartorius and rectus femoris. B ATP/carbon dioxide B the parietal lobes of the cerebrum integrate conscious muscle sense E. is a common site for injections. B. insert and sometimes originate on skin and connective tissue. From what height did the student fall? Toll-like receptor 9 is a protein that in humans is encoded by the TLR9 gene. 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. The __________ nerve innervates all of the extrinsic tongue muscles. Agonists are the prime movers for an action. C. peroneus longus; plantaris E. suprahyoid muscles. D. internal intercostals. C impulses from the brain are needed for voluntary movement a. Digastric b. Mylohyoid c. Omohyoid d. Sternocleidomastoid. F. a muscle working in opposition to another muscle E. calcaneal tendon, Which of the following muscles is found in the lateral compartment of the leg? D. multifidus The muscle lies very superficially so that it is both easily visible and palpable. E. iliotibial tract, . joint act as a fulcrum. The main muscle that resists a movement is called the antagonist. a) diaphragm b) sternocleidomastoid c) pectoralis major d) scalenes. A. The splenius captis is located on the lateral side of the C7. C. extensor pollicis longus. Antagonistic muscle that is paired with an agonist muscle is referred together as antagonistic pairs. B. crow's feet wrinkles. C. rectus femoris. What is the antagonist of the Pronator Teres (pronate forearm)? The names of the muscles can indicate all of the following, except __________. C. triceps brachii What type of motor is known as a constant-speed motor? holds it in place) so that the prime mover can act more efficiently. This can be muscle tissue, fascia, tendons and ligaments. Would the muscles that cause flexion of the neck have their origin or insertion on the head? B. soleus The sternocleidomastoid muscles help to flex the neck. C triceps brachii and biceps brachii A sartorius A. levator scapulae Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)? B masseter 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. A. extension of the arm. B. supraspinatus and latissimus dorsi. bones serve as levers. B. A. palmaris longus A gluteus medius E. fibularis brevis, Which muscle plantar flexes the foot? What is the antagonist of the Tensor Fasciae Latae (Abduction of femur)? E. raises the eyelid. Which of the following muscles extends the head on the neck? Which of the following is not an intrinsic muscle of the head? load is the weight of the object. Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius. A quadriceps femoris C gluteus medius Which of the following is found in the posterior group of forearm muscles? A. straight. The external intercostal muscles are used primarily in __________. sternocleidomastoid muscle on the ultrasound and attempt to identify the anterior and middle scalene muscles. Two square wells have the same length. D adductor group, The muscle on the posterior thigh that extends the thigh is the: Which has an insertion on the mandible? E. difficult defecation and decreased support for the pelvic viscera. 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?