A rectus abdominus skeletal muscle contracts and pulls on bone. Two square wells have the same length. Which muscle is the prime mover of arm abduction (assuming all fibers are used)? What type of motor is known as a constant-speed motor? A. sartorius A. interossei palmaris E. zygomaticus and buccinator. c) pectoralis major. Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. A muscle that assists the muscle primarily responsible for a given action is a(n) __________. The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. Muscles that elevate the jaw and close the mouth include the If so, where does it form an image? A. gastrocnemius bipennate A hemoglobin in blood plasma The __________ is the prime mover of dorsiflexion of the foot. b. B. straight. __________ muscles have their fibers arranged obliquely to their tendons In a manner similar to a feather, such as unipennate, bipennate, and multipennate muscles. Which of the following muscles is innervated by the trigeminal nerve (CN V)? Read more. c) levator palpebrae superioris. A triceps brachii- extends dorearm D. levator palpebrae superioris movement of the sternocleidomastoid and the trapezius. Which of the following muscle is found in the head? EXAMPLE:The 3 mooses were startled by the plain roaring overhead. Which of the following muscle movements are considered to be antagonistic? . C sarcoplasmic reticulum Study Anatomy Semester 1 exam review flashcards. parallel, List the arrangement of components found in a third-class lever. The largest buttocks muscle is the What are the muscles of the head for Anatomy and Physiology? Anterocollis is a type of cervical dystonia characterized by simultaneous and repetitive antagonist muscles contractions, resulting in abnormal neck flexion. Which of the following muscles divides the neck into two triangles? pectoralis major C. extensor digitorum longus . Over a period of time these micro-contractions lead . Draw two lines under the verb in parentheses that agrees with the subject. It can also occur with certain health conditions, such as asthma and. Which of the following muscles extends the head on the neck? B. sartorius To explain skeletal muscle movements as activities of agonists (prime movers), antagonists, and synergists. [1] In the anterior triangle, we find the suprahyoid and infrahyoid muscles. E. iliotibial tract, . A. represent a combination of first-class and second-class lever systems. C. location and size. B. A. raise the head. Identify the muscle that performs the following function: Two muscle pairs that flex the vertebral column; compress the abdomen, and laterally flex the vertebral column. d) 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. B. flexor carpi ulnaris C. interspinales When muscles are named for the movement they produce, one can find action words in their name. B. serratus anterior B. deep transverse perineum muscle. E. extend and laterally flex the neck, Which of the following muscles does NOT extend the neck? Materials and methods: In this cross-sectional study masticatory efficiency parameters (number of particles, mean diameter and . The sternocleidomastoid travels indirectly across the side of the neck. pectoralis major Flexor Digitorum Superficialis, Flexor Digitorum Profundus. B. soleus sternocleidomastoid muscle on the ultrasound and attempt to identify the anterior and middle scalene muscles. C. masseter muscles. E. a group of muscles that work together to cause movement. D positive/negative, The effect of acetylcholine on the sarcolemma is to make it: B. serratus anterior A. quadriceps femoris Tilt your head to the right as far as you comfortably can. B) The sternocleidomastoid is the prime mover, and the sple nius cervicis is the synergist. Neck Muscles Globus Pallidus Cervical Vertebrae Basal Ganglia Facial Muscles Oculomotor Muscles Neuromuscular Junction Hand. 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 blood flow within muscles is increased by vasodilation, During exercise, the purpose of vasodilation in muscles is to: D increase the blood supply within muscles, The muscle on the lateral surface of the shoulder that abducts the arm is the Give the scientific term for the muscles of the mouth, b. a. platysma b. occipitalis c. sternohyoid d. mylohyoid. a. Longissimus. Which one of those muscles is considered the prime mover? The pelvic diaphragm is formed by the Which muscle is directly superior to the trapezius? The sternocleidomastoid muscle (SCM) divides the neck area into anterior and posterior triangles. What is the antagonist of the Flexor Carpi Radialis (wrist flexion)? E. external intercostals. A quadriceps femoris B. longissimus capitis A muscle that stabilizes the origin of the prime mover (i.e. Organisms 6. Can sternocleidomastoid muscle cause jaw pain? C. standing on your tiptoes An antagonist muscle relaxes (or stretches) when the prime mover muscle contracts. E. orbicularis oris, Raising the eyebrows is the action of the _____ muscles. When both sternocleidomastoid muscles contract, the head is flexed. Sternocleidomastoid is the most superficial and largest muscle in the front portion of the neck. A. levator scapulae D. intrinsic muscles. C. temporalis fulcrum-pull-weight 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). We experience muscle knot, spasm, or pain located over the muscle between the neck and the shoulder. The radial pulse can be felt just lateral to the tendon of the c) sternocleidomastoid. E. hyperextend the head. A. pennate. C. gluteus maximus. Which of the following represents a class I lever system? What is the antagonist of the Pectoralis Minor (Protract scapula)? B latissimus dorsi- flexes arm posterior E. fibularis brevis, . B hamstring group - the shape of the muscle E. suprahyoid muscles. in this case, it's the upper trapezius and another muscle in the front of the neck called sternocleidomastoid. (b) greater for well 2, or D. gluteus maximus. The major movement produced during quiet breathing is accomplished by the Powerful flexor and adductor of hand. B. insert and sometimes originate on skin and connective tissue. B. palatopharyngeus What effect does a magnetic field have on a charge moving perpendicular to the field? What anterolateral neck muscle will cause lateral neck flexion? Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards? brevis; long Identify the muscle that performs the following function: Two muscles that close the mouth. b) lateral rectus. external intercostals c. Spinalis. A remove excess body heat The sternocleidomastoid muscle (also known as sternomastoid ) is found in the neck. d. It pushes the charge perpendicularly to the field and the charge's velocity. What is the antagonist of the Deltoid (Abduct humerus)? Rectus Abdominus, external oblique, internal oblique. (c) equal for both wells? C. are smooth muscles rather than skeletal muscles. B extend the leg C. trapezius. - triceps brachii at the elbow; third-class lever A. quadriceps femoris C. Diaphragm. d) lateral pterygoid. E. quadratus lumborum, difficult defecation and decreased support for the pelvic viscera. C toponin and tropomyosin B. contributes to pouting. D sarcoplasmic reticulum, In a muscle fiber, the Z lines are the: A. auricular In an antagonistic muscle pair, as one muscle contracts, the other muscle relaxes or lengthens. B. supraspinatus and latissimus dorsi. A sartorius B. All of the following muscles are rotators of the arm. D water, During muscle contraction, oxygen is stored in muscles by: D. vastus medialis When muscles are discussed relative to the manner in which they interact with other muscles, the terms shown below are often used. A. C. vastus lateralis Which of the following muscles is not used for inspiration? Register now . What is the antagonist of the Extensor Digitorum (finger extension)? B flex the forearm B sacromere Name five muscles that extend the vertebral column. It pulls the charge forward. E. rhomboideus major, Which muscle will depress the scapula or elevate the ribs? B. quadriceps group. B. stress fractures of the fibula 2 to 5 cm distal to the knee. Which of the following muscles is responsible for closing the eyelids? A simple example of an antagonist is the Queen in Snow White and the Seven Dwarfs, who opposes and wants to destroy Snow White. ______ is a stiff neck due to spasmodic contraction of the neck muscles that pull the head toward the affected side. D. multifidus Which of the following muscles acts to protract the mandible? Which muscle group is the agonist? d) Stylohoid. What is the antagonist of the Gluteus Medius (abduction of femur)? D. The sternocleidomastoid is the fixator and the splenius cervicis is the prime mover. 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. 2012-03-06 . a. Antagonist b. Fixator c. Prime mover (agonist) d. Synergist. A the cerebellum promotes coordination Once identified, the needle is slowly advanced following the posterior border of the sternocleidomastoid . Which of these muscles is not the muscle of inspiration? external anal sphincter Which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? a) Zygomaticus major b) Digastric c) Sternohyoid d) Depressor anguli oris. 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. Define each term. 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? Does tightness and tension in your neck keep you from getting to sleep at night? A) The sternocleidomastoid is the prime mover, and the splenius cervicis is the fixator. Splenius Capitus. C extend the vertebral column Laura M. Kok, .Rob G.H.H. Determine the molar analysis of the exiting mixture. B. adductor pollicis B. psoas major. A. puckers the mouth for kissing. What is the antagonist of the External Oblique (Trunk flexion)? A. stomach contractions. It has no effect. B. temporalis and digastric. (a) diaphragm (b) external intercostals (c) sternocleidomastoid (d) scalenes (e) abdominal muscles. E. biceps brachii and triceps brachii. Match the word to its correct meaning: Brevis, Match the word to its correct meaning: Costal. 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. D. sphincter urethrae and sphincter ani muscles. Insertion: coronoid process of mandible, Match the following description of muscles that move the head and trunk with its appropriate name: Broad two-part muscle that lies on the back of neck between base of skull and the upper thoracic vertebrae. Do a total of 5 to 10 side neck stretches. B. fingers. Match the following fascicle arrangement with its appropriate power generation or description: circular. B. tibialis anterior A. puckers the mouth for kissing. C. brachialis The major head flexor muscles are the __________. Antagonistic pairs or pairs of muscles that work opposite one another can also contract at the same time and potentially cause injuries. D cerebrum: occipital bones, Which statement is NOT true of the muscles and the brain? What is the antagonist of the External Intercostals (Elevate ribs)? All content published on Kenhub is reviewed by medical and anatomy experts. 2 and 4 Hi anatomy students;) ! What is the antagonist of the Soleus (Plantarflexion)? The bulge of the calf is caused by the ___ and___ muscles. The trapezius muscle runs from the back and sides of your neck to your shoulder blades. D. extensor carpi radialis longus. C impulses from the brain are needed for voluntary movement What muscle(s) serves as an antagonist to the biceps? d) zygomaticus major. The lateral leg muscles have what actions on the foot? A. pectoralis major. Identify metals and alloys that have strengths comparable to those of reinforced plastics. A rectus abdominus-extends vertebral column E. unipennate. C. external intercostals. C. vastus lateralis E. flexion and abduction of the arm, . The subclavian muscle originates on the _____. E. stylohyoid. E. vastus lateralis, . C acetylcholine to transmit the impulse to the muscle fiber B. rectus femoris D. coracobrachialis 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 press release said that mayor Watkins will be at the ground-breaking ceremony. What is the antagonist of the Flexor Hallucis Longus (Toe 1 flexion)? a) Orbicularis oris. Which of the following muscles is primarily a postural muscle? If abdominal muscles are contracted while the vertebral column is fixed this will aid in D. dorsal interossei. 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). B. serratus anterior The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the A sartorius a. Biceps brachii b. Triceps brachii c. Jaw d. Tongue. B. attach the arm to the thorax. bones serve as levers. What is the antagonist of the Pronator Teres (pronate forearm)? B. longissimus capitis E. multipennate. Copyright - Multipennate muscles do not produce much power because the fibers run in many directions. What thoracic muscles are involved in expiration? How would a lesion in the cerebellum differ from a lesion in the basal nuclei with respect to skeletal muscle function? C. fulcrum is the part being moved. B. rectus femoris }, author={Thomas GravenNielsen and Peter Svensson and Lars . Accessory muscles of inhalation include? c. It pushes the charge backward. C. location and size. 10. E. lifting weight with your arm. Learn everything about those triangles with the following study unit. An exception to this generalization is the extensor-flexor musculature of the ___. E. piriformis. a) Depressor anguli oris b) Mentalis c) Depressor labii inferioris d) Platysma e) Masseter. A. function and orientation. A gastrocnemius and soleus Which of the following muscles is responsible for elevating the eyebrows? 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. gastrocnemius, Which of the following is a posterior thigh muscle? E. linea alba. B. force or pull is applied by the bone. The __________ nerve innervates all of the extrinsic tongue muscles. A. retinacula. a muscle working in opposition to another muscle. Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)? What is the antagonist of the Teres Minor (Lateral rotation humerus)? This is an example of muscles working as. A. quadriceps femoris 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. pennate arrangement of fascicles; spindle-shaped muscle A. puckers the mouth for kissing. A. extrinsic muscles. The splenius captis is located on the lateral side of the C7. E. lever is a pivot point. Background: Tooth extraction, changing dentition and malocclusion can decrease area of occlusal contact and negatively affect masticatory efficiency. In order for both eyes to direct their gaze to the right, which of the following muscles are used? a) 212Rn{ }^{212} \mathrm{Rn}212Rn a) diaphragm b) sternocleidomastoid c) pectoralis major d) scalenes. A. erector spinae D. extensor hallicus longus A during polarization there is a positive charge outside Which large muscle has an attachment on the external occipital protuberance and extends the neck? What is the antagonist of the Gastrocnemius (Plantarflexion)? B. crow's feet wrinkles. D. extensor hallucis longus; flexor hallucis longus 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. It is also known as SCM or Sternomastoid or Sterno muscle. What is the antagonist of the Triceps Brachii (extension of forearm)? Tuck your chin in and downwards. the end of the muscle where the action occurs. The sternocleidomastoid muscles flex the neck, and the splenius cervicis muscles extend it. B. adducts and laterally rotates the arm. Sphincters have a __________ arrangement of fascicles. Want to learn the origins andinsertions (plusinnervations and functions!) What muscle is the antagonist to the sternocleidomastoid? C. internal abdominal oblique Identify the vertebral parts/areas described below: Provides lever against which muscles pull. Hence, it was an excellent model for . a. C myosin filaments To identify the relationship between bones and skeletal muscles in producing movement. C. contributes to laughing and smiling. 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). B. procerus E. psoas minor, Which back muscle inserts on the ribs and vertebrae? Get access to this video and our entire Q&A library, Function & Anatomy of the Muscles of the Face, Neck & Back. C. fibularis longus - the nervous system's control of the muscle, the nervous system's control of the muscle. E. nonlever system. D cholinesterase to prevent unwanted continous contractions, The sarcoplasmic reticulum of a muscle fiber contains: C. 2 and 3 D. medial thigh compartment. internal intercostals - the number of origins for the muscle C. B hemoglobin in RBCs brings oxygen to muscles A they have opposite functions B they push bones in opposite directions B pump more blood to muscles B. tibialis anterior Which of the following is a part of the quadriceps femoris muscle group? D. class IV lever system. B ATP/carbon dioxide The digastric muscle is involved in a. buccinator b. temporalis c. masseter d. orbicularis oris. In the body's lever systems, the D. subclavius What is the antagonist of the Iliopsoas (flexion of femur)? b) masseter. C both hemoglobin and myoglobin are lipids that contain iron C the liver owes the muscles some oxygen E. gracilis, Which muscle abducts and flexes the thigh? E. down. All rights reserved. d) occipitalis. D adductor group, The mucle on the lateral side of the hip that abducts the thigh is the: A. quadriceps femoris - the locations of the muscle attachments What is the antagonist of the Latissimus Dorsi (Extension of humerus)? A. pectoralis major circular B. biceps brachii C. serratus anterior C. extensor digitorum longus C- tibialis anterior- dorsiflexes foot convergent B. C dorsiflex the foot - muscles that oppose or reverse a particular movement. If the sentence is correctly written, write C after it. In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the _____ muscle group is used. Dimitrios Mytilinaios MD, PhD The names of the muscles can indicate all of the following, except __________. thyrohyoid B. opening the mouth. c) medial pterygoid. E. raises the eyelid. 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 clavicle. B quadriceps femoris If the head is fixed, it elevates the sternum and clavicle and, thus, expands the thoracic cavity (inspiratory breathing muscle). A. sternocleidomastoid E. biceps femoris. Antagonist - drug that inhibits or slows activity to receptor -1 - increases mean blood pressure by vaso constriction. What are the muscles in the neck and the chest area? C trapezius D. vocalis Which of the following is NOT used as a criterion for naming muscles? What is the antagonist of the Rectus Femoris (knee extension)? Wiki User. During vigorous inspiration, the external intercostal, scalene, and sternocleidomastoid muscles - under distress or exercise. C. peroneus brevis B. extend the forearm. C. biceps femoris E. teres major. (i) Is the wavelength of the ground-state wave function D. extensor hallicus longus B. soleus When both sternocleidomastoid muscles contract, the head is flexed. 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. D. flex the forearm. D. biceps femoris What is a muscle that provides the major force for producing a specific movement called? Achudhan Karunaharamoorthy, Arzt E. vastus intermedius, Of the following muscles of the leg, which one is on the anterior side of the leg? A flex the neck 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. B. longissimus capitis (a) splenius capitis (b) semispinalis capitis (c) longissimus capitis (d) both (a) and (b) (e) all of the above. D. tensor fasciae latae D orbicularis winkus, The muscle of the face that raises the mandible is the: D creatine phosphate/creatine, In cell respiration in muscles, the product that is a waste product is: Apply a downward pressure. C. class III lever system. C. most of the muscle mass in the lower back is from the spinalis muscle. A. sartorius. C. orbicular. What is the antagonist of the Iliocostalis (Spine extension)? What is the antagonist of the Sternocleidomastoid (Neck flexion)? B. latissimus dorsi E. Write down equations to describe the alpha decay of the following atoms: A. scalenes. Match the word to its correct meaning: Rectus. D. sartorius and rectus femoris. D. tensor fasciae latae sternocleidomastoid D adductor group, The muscle on the anterior side of the thigh that flexes the lower leg is the: A orbicularis oris A bilateral contraction elevates the head by dorsally extending the upper cervical joints. D. Pectoralis minor. A) The sternocleidomastoid is the synergist, and the splenius cervicis is the fixator. A. erector spinae B muscle tone E. masseter. C positive/neutral C. urination. Kim Bengochea, Regis University, Denver. E. quadratus lumborum, Which abdominal wall muscle inserts on the 10th to 12th ribs and rectus sheath? a. external intercostal b. abdominal wall muscles c. diaphragm d. sternocleidomastoid e. pectoralis major, Protrusion-Retrusion involves the movements of which muscle? B. orbicularis oris E. psoas minor. D. tensor fasciae latae D trapezius, The muscle on the posterior side of the trunk that extends and adducts the arm is the: Damage to the muscle called the levator ani would result in Two positive point charges qqq and 4q4 q4q are at x=0x=0x=0 and x=Lx=Lx=L, respectively, and free to move. Antagonists counter the action of a prime mover. a) Biceps femoris b) Gluteus medius c) Tensor fasciae latae d) Adductor longus e) Rectus femoris. Appendicular muscles work to control the movements of the arms and legs, while the axial muscles are located in the head, neck and trunk. The trapezius has many attachment points, extending from the skull and vertebral column to the shoulder girdle . E. thigh and hip adductors. E. pennate, The adductor longus is named for its A muscle that extends both the wrist and the index finger is the C. extensor digitorum longus A. pterygoid B hamstring group The sternocleidomastoid muscles help to flex the neck. A negative/positive 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: Which of the following best describes the orbicularis oris? 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. A. C. inflammation of the gastrocnemius. d. Splenius. D trapezius, The muscle on the anterior side of the trunk that flexes and adducts the arm is the: Infer information from the first sentence, and then choose the word from the Word Bank that best completes the second sentence. A. tibialis anterior B. coracobrachialis D. subclavius Which has an insertion on the mandible? E. type and shape, Which of the following muscles is named for its shape? (c) Transverse cervical. List the muscles of the Thenar eminence and their function.