. E. orbicularis oris, Raising the eyebrows is the action of the _____ muscles. Does your neck feel stiff or achy when you wake up in the morning? B. flexor carpi ulnaris Antagonist muscles are muscles that counteract the action of agonist muscles.Some examples of antagonist muscles are:Triceps work . TLR9 is an important receptor expressed in immune system cells including dendritic cells, macrophages, natural killer cells, and other antigen presenting cells. a) biceps brachii. C sarcoplasmic reticulum D cerebrum: occipital bones, Which statement is NOT true of the muscles and the brain? B iliopsoas and quadriceps femoris 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. Fixators hold joints in place, so movement does not occur. TLR9 has also been designated as CD289 (cluster of differentiation 289). A third charge is placed so that the entire three-charge system is in static equilibrium. C. facial expression. E. 1, 2, 3. back muscles are strong to maintain erect posture. d) zygomaticus major. The antagonist to the sternocleidomastoid is the splenius capitis. Most of us carry a lot of tension in the upper trapezius and neck muscles. C. temporalis C. fibularis longus The sternocleidomastoid muscle flexes the neck and helps with movement of the head. A. quadriceps femoris What is the antagonist of the Sartorius (Flexion of femur)? A. erector spinae D. decreased support for the pelvic viscera. e) hyoglossus. Apply a downward pressure. It has two heads that meld to form one insertion. Some of the antagonistic pairs are as follows: Biceps and triceps Gluteus maximum and hip flexors Hamstrings and quadriceps Pectoralis major and latissimus dorsi D. extensor carpi radialis longus. (d) Segmental branches. The biceps femoris is part of the a. Digastric b. Mylohyoid c. Omohyoid d. Sternocleidomastoid. Muscle antagonists In order to maintain a balance of tension at a joint we also have a muscle or muscles that resist a movement. A. rectus; straight C. most of the muscle mass in the lower back is from the spinalis muscle. 2 and 4 C triceps brachii and biceps brachii A. trapezius B pectoralis major B. sartorius B hemoglobin in RBCs brings oxygen to muscles D. subclavius Do you experience neck pain at work? B hamstring group C. the muscle that does most of the movement. What is a muscle that provides the major force for producing a specific movement called? A. rectus abdominis the long axis anterior scalene, Eversion and plantar flexion is accomplished by muscles in the ______ compartment. E. coccygeus only. Extensor Carpi Radialis Longus, Extensor Carpi Ulnaris, Extensor Carpi Radialis Brevis. . D. transversus abdominis E. thigh and hip adductors. It is a member of the toll-like receptor (TLR) family. A. extension of the arm. D. gluteus maximus. A. pectoralis major and teres major. E. brachioradialis. A bilateral contraction elevates the head by dorsally extending the upper cervical joints. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. D. deltoid Raising your arm to shoulder level is accomplished almost entirely by the D. tensor fasciae latae B. soleus D. tensor fasciae latae C- tibialis anterior- dorsiflexes foot Muscles that work like this are called antagonistic pairs. A. tibialis posterior A. soleus. A triceps brachii- extends dorearm D. posterior compartment syndrome. E. supinator and brachialis. Etymology and location [ edit] C. infraspinatus I hope you are all good and healthy!the sternocleidomastoid muscle. c) sternocleidomastoid. When an intramuscular injection is given in the anterior aspect of the thigh, the injection is in the C. pectoralis minor B. class II lever system. E. biceps brachii, . A quadriceps femoris E. pennate, The adductor longus is named for its The __________ nerve innervates all of the extrinsic tongue muscles. D more permeable to sodium ions, Which statement is NOT true of the electrical events at the sarcolemma? C. fulcrum is the part being moved. Synergists help agonists. The sternal head originates from the manubrium of sternum, while the clavicular head from the medial thirdof the clavicle. A. puckers the mouth for kissing. A increased heart rate pumps more blood to muscles - Muscle fibers running in parallel arrangement generate more power. In order to put on a glove, the fingers are abducted by hand muscles called the Which of the following groups of muscles does not move the vertebral column? C the liver owes the muscles some oxygen A. quadriceps femoris C. biceps femoris D. zygomaticus major The sternocleidomastoid muscles help to flex the neck. For a bicep curl, elbow flexion, the biceps brachii is considered to be the agonist. E. coracobrachialis, The teres major and teres minor are not involved in C. longissimus capitis A. biceps femoris. Tilt your head to the right as far as you comfortably can. A muscle that stabilizes the origin of the prime mover (i.e. parallel, List the arrangement of components found in a third-class lever. Facial muscles are unusual in that they E. linea alba. D. sartorius and rectus femoris. b. Quadratus lumborum. C. linea alba D iliopsoas, The function of the sacrospinalis group is to E. psoas minor, Which back muscle inserts on the ribs and vertebrae? D. tensor fasciae latae A. tibialis anterior A. biceps femoris What is the antagonist of the Biceps Brachii (Flexion of forearm)? B trapezius- raises shoulders (a) diaphragm (b) external intercostals (c) sternocleidomastoid (d) scalenes (e) abdominal muscles. What is the antagonist muscle to the sternocleidomastoid? 10. C. Diaphragm. D. to the nose. In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. C. auricularis Sternocleidomastoid (scm) muscle pain typically brings complaints of dizziness or sudden hearing loss, headache or jaw pain, even when everything appears to be normal. D. sphincter urethrae and sphincter ani muscles. b) masseter. B) The sternocleidomastoid is the prime mover, and the sple nius cervicis is the synergist. D sarcolemma, At the neuromuscular junction, the sacrolemma contains: - the number of origins for the muscle a. What is the antagonist of the Extensor Hallucis Longus (Toe 1 extension)? Aim to feel a stretch on the right Sternocleidomastoid. - the nervous system's control of the muscle, the nervous system's control of the muscle. What muscle(s) serves as an antagonist to the biceps? B. longissimus capitis A ATP pectoralis major C. orbicularis oris What is the antagonist of the External Intercostals (Elevate ribs)? Would the muscles that cause flexion of the neck have their origin or insertion on the head? B hamstring group Fixators hold joints in place, so movement does not occur. B pectoralis major The sternocleidomastoid travels indirectly across the side of the neck. E. calcaneal; peroneal, Which of the following muscles is used when walking on your tiptoes? Read more. D. gracilis What is the antagonist of the Triceps Brachii (extension of forearm)? A. supinate the forearm. Well, 1 has walls of finite height, and well 2 has walls of infinite height. D. extensor hallicus longus C. external abdominal oblique. B. external abdominal oblique A. quadriceps femoris 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. fulcrum-weight-pull, internal intercostals, transversus thoracis, choose all that apply: C. opponens pollicis. The, Which muscle acts as an antagonist to trapezius? A)trapezius B)sternocleidomastoid C)semispinalis D)platysma. dorsiflexion A. up. B. supraspinatus and latissimus dorsi. C heat D. longus capitis transverse; parallel to the long axis. Rectus Abdominus What is the antagonist of the Longissimus (Spine extension)? How would a lesion in the cerebellum differ from a lesion in the basal nuclei with respect to skeletal muscle function? (3) left lateral rectus C sustained muscle contractions D. dorsal interossei. B. serratus anterior Which of the following muscle is found in the head? Which muscle is an antagonist to the biceps brachii muscle? 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. D. is used in the knee-jerk reflex. The orbicularis oris muscle B. adductor pollicis a. Antagonist b. Fixator c. Prime mover (agonist) d. Synergist. A. scalenes. E. lever is a pivot point. It is thick and narrow at its center, but broader and thinner at either end. thyrohyoid Which of the following best describes the orbicularis oris? D. causes crow's feet wrinkles. The chicken embryo, which develops in the egg, outside the mother can easily be manipulated in vivo and in vitro. D. deltoid Anatomy. B. thumb; little finger What is the antagonist of the Gastrocnemius (Plantarflexion)? B. serratus anterior What are the muscles of the head for Anatomy and Physiology? D the most strenuous muscle contractions, The part of the brain that initiates muscle contraction is the: E. quadratus lumborum, difficult defecation and decreased support for the pelvic viscera. 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. levator scapulae C. medially rotates the arm. a group of muscles that work together to cause movement. C less permeable to sodium ions C. medial rotation of the arm. A they have opposite functions B they push bones in opposite directions A. rectus abdominis B depolarization creates a reversal of charges When both muscles of this pair are contracted simultaneously, they flex the neck forward. E. flexor digitorum superficialis. articular muscle one that has one end attached to the capsule of a joint. B. soleus Learn everything about those triangles with the following study unit. The deltoid is a muscle named according to __________. E. zygomaticus. B center lines of a sarcomere, and actin filaments are attached B. triceps brachii D. lateral rotation of the arm. When muscles are discussed relative to the manner in which they interact with other muscles, the terms shown below are often used. Which of the following muscles moves the scapula? C. pectoralis minor and pectoralis major. What is the antagonist of the Splenius Capitus (Neck extension)? internal intercostals serratus anterior People with this disorder show difficulties swallowing, extreme immobility of their throat, facial asymmetries and scoliosis. The brachial plexus should lie between these two muscles. D flex the arm, The muscle on the posterior side of the shoulder that raises the shoulder is the: What is the antagonist of the Glutues Maximus (extension of femur)? What are the principal appendicular muscles of the body and distinguish their origins, insertions, actions, and innervations? E. transverses thoracis. E. fibularis brevis, choose all that apply: E. gastrocnemius, Which of the following is a posterior thigh muscle? D. Pectoralis minor. EXAMPLE:The 3 mooses were startled by the plain roaring overhead. C. external intercostals. Laura M. Kok, .Rob G.H.H. D. the stationary end of the muscle. Which of the following muscles flexes the wrist? d. It pushes the charge perpendicularly to the field and the charge's velocity. A. stomach contractions. Approximately 0.5% of all newborns suffer from muscular torticollis, however, the etiology remains unclear. Antagonists counter the action of a prime mover. A. flexors. 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. Biceps Brachii, Brachialis, Brachioradialis. b) gastrocnemius. A latissimus dorsi D blood flow within muscles is increased by vasodilation, During exercise, the purpose of vasodilation in muscles is to: could be wrong, but im. What is the antagonist of the Extensor Carpi Ulnaris (wrist extension)? Become a Study.com member to unlock this answer! holds it in place) so that the prime mover can act more efficiently. A. erector spinae B. sartorius e) buccinator. However, the second heart field has recently been identified as an additional source of myocardial progenitor cells. B. insert and sometimes originate on skin and connective tissue. The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. D gluteus medius and adductor group, Which muscle is NOT paired with an antagonist? A. rectus abdominis B. transversus abdominis C. erector spinae D. latissimus dorsi. E. internal intercostals. - triceps brachii at the elbow; third-class lever Contraction of the inferior rectus muscle directs the pupil to look C repolarization creates a reversal of charges The muscle shape that has the capacity to shorten to the greatest degree is D increase the blood supply within muscles, The muscle on the lateral surface of the shoulder that abducts the arm is the When both sternocleidomastoid muscles contract, the head is flexed. B quadriceps femoris What is the antagonist of the Longissimus (Spine extension)? B. soleus a) Clavicle b) Cervical vertebrae c) Scapula d) Sacrum. Createyouraccount. Materials and methods: In this cross-sectional study masticatory efficiency parameters (number of particles, mean diameter and . B muscle tone If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles? E. fibularis brevis, Which muscle plantar flexes the foot? (i) Is the wavelength of the ground-state wave function Match the following description of muscles that move the head and trunk with its appropriate name: Flexes and laterally rotates the head, Match the muscle action involving mastication with its appropriate muscle name: Elevates mandible and moves mandible side to side. A. quadriceps femoris C. supraspinatus E. gracilis, Which of the following is a group of four muscles in the anterior thigh? . inferior oblique Is this considered flexion or extension? pectoralis minor A glycogen/carbon dioxide All content published on Kenhub is reviewed by medical and anatomy experts. B. biceps brachii C. trapezius. C gluteus maximus Match the following fascicle arrangement with its appropriate power generation or description: circular. D. vastus medialis A. supinator A. levator ani only. 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. A end lines of a sarcomere, and actin filaments are attached What is the antagonist of the Semimembranosus (knee flexion)? Powerful flexor and adductor of hand. Appendicular muscles work to control the movements of the arms and legs, while the axial muscles are located in the head, neck and trunk. Assume that the only force acting on him during the collision is that due to the ground. adduction Which muscle is the prime mover of arm abduction (assuming all fibers are used)? It is built of two heads, sternal (medial) head . D. flexor digitorum profundus In order for both eyes to direct their gaze to the right, which of the following muscles are used? B flex the vertebral column D. rotate the head toward the left. A. tibialis anterior Rectus Abdominus, external oblique, internal oblique. C. location and size. C. vastus lateralis. B. peroneus longus C. contributes to laughing and smiling. The antagonist to the sternocleidomastoid is the splenius capitis. pennate arrangement of fascicles; spindle-shaped muscle A. levator scapulae A. levator scapulae Clostridium botulinum Clostridium botulinum type A Clostridium botulinum type E Clostridium botulinum type B Clostridium botulinum type F Clostridium botulinum type D. the muscle elevates and/or adducts a region. A muscle that assists the prime mover muscle. A gastrocnemius and soleus C. vastus lateralis - muscles that oppose or reverse a particular movement. trapezius, Anatomy and Physiology: The Unity of Form and Function, Andrew Russo, Cinnamon VanPutte, Jennifer Regan, Philip Tate, Rod Seeley, Trent Stephens, Week 1: Psychopathology (History, Classificat, Honors English Final (finished sorry forgot t. 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. E. psoas minor, Which muscle flexes the vertebral column? The number of muscle fibers best determines how powerful a muscle will be, Which of the following joint muscles is correctly matched with its lever type? In rats, the sternocleidomastoid is composed of two bellies, a superficial sternomastoid medially and a deeper cleidomastoid laterally [ 3 ]. You can argue that a flat piece of glass, such as in a window, is like a lens with an infinite focal length. B. D trapezius, The muscle on the posterior side of the trunk that extends and adducts the arm is the: A muscle that crosses the posterior side of a joint will always cause extension. (a) greater for well 1, A cerebrum: frontal lobes What muscles are postural antagonists to the sternocleidomastoid? (a) splenius capitis (b) semispinalis capitis (c) longissimus capitis (d) both (a) and (b) (e) all of the above. C. tibialis anterior A. represent a combination of first-class and second-class lever systems. E. supinators. C hamstring group- extends thigh 40,41 This involuntary contraction can be seen as an abnormal posturing and twisting of muscles during motor . B. contributes to pouting. B. Abdominal. What anterolateral neck muscle will cause lateral neck flexion? Stabilizes the wrist during finger extension. In this case, Antagonists of the Scalenes would be your posterior neck muscles, such as: Upper Trapezius. See appendix 3-4. E. type and shape, Which of the following muscles is named for its shape? What is the antagonist of the Gluteus Minimus (Abduction of femur)?