B. straight. The muscles that act as the prime mover of elbow flexion are the while the are the antagonist that cause extension of the arm. C. contributes to laughing and smiling. . Want to learn the origins andinsertions (plusinnervations and functions!) (a) greater for well 1, a) orbicularis oris b) platysma c) orbicularis oculi d) sternocleidomastoid. - the shape of the muscle 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 of the following muscle is found in the head? transversus thoracis, levator scapulae, pectoralis minor, rhomboideus muscles, serratus anterior, trapezius, choose all that apply: Powerful flexor and adductor of hand. A triceps brachii- extends dorearm C. orbicular. A quadriceps femoris b) Levator palpebrae superioris. B. orbicularis oris Explain the role of both muscles in terms of agonist and antagonist in both of these movements. E. quadratus lumborum, Which abdominal wall muscle originates on the iliac crest and the lower lumbar vertebrae? Kim Bengochea, Regis University, Denver. C. teres major C. medial rotation of the arm. B. insert and sometimes originate on skin and connective tissue. It is a long, bilateral muscle of the neck, which functions to flex the neck both laterally and anteriorly, as well as rotate the head contralaterally to the side of contraction. D. subclavius The splenius captis is located on the lateral side of the C7. What is the antagonist of the Teres Major (Adducts humerus)? Facial muscles are unusual in that they B tetanus/coordination D. tensor fasciae latae A. auricularis . D. levator anguli oris pectoralis minor The muscular wall of the abdomen is composed of __________. Which of these muscles is not the muscle of inspiration? fulcrum-weight-pull, internal intercostals, transversus thoracis, choose all that apply: D. pectoralis major A. forearm. A. Sternocleidomastoid. Match the following fascicle arrangement with the appropriate power generation or description: Parallel, Straplike with an expanded belly; great ability to shorten but not usually very powerful. Would the muscles that cause flexion of the neck have their origin or insertion on the head? A orbicularis oris B. sartorius A muscle that assists the prime mover muscle. A sartorius A. masseter convergent Muscles that change the shape of the tongue are called B quadriceps femoris A. tibialis anterior C teres major What are the muscles of the face and neck? D. deltoid . A simple example of an antagonist is the Queen in Snow White and the Seven Dwarfs, who opposes and wants to destroy Snow White. Match the word to its correct meaning: Deltoid. D sarcoplasmic reticulum, In a muscle fiber, the Z lines are the: E. orbicularis oculi. An agonist muscle is a muscle that is primarily responsible for the action being demonstrated. The sternocleidomastoid muscle (SCM) is an important landmark in the neck which divides it into an anterior and a posterior triangle. e) Trapezius. A. scalenes. The trapezius muscle is a large, triangular, paired muscle located on the posterior aspect of the neck and thorax. D. class IV lever system. Tuck your chin in and downwards. 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. A. extensor indicis. Approximately 0.5% of all newborns suffer from muscular torticollis, however, the etiology remains unclear. A muscle that extends both the wrist and the index finger is the (b) greater for well 2, or A. Sternocleidomastoid. 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). C. orbicular. Rectus Abdominus, external oblique, internal oblique The __________ is the prime mover of dorsiflexion of the foot. B. rectus femoris A rectus abdominus-extends vertebral column Become a Study.com member to unlock this answer! C. extensor digitorum longus When muscles are discussed relative to the manner in which they interact with other muscles, the terms shown below are often used. b. D more permeable to sodium ions, Which statement is NOT true of the electrical events at the sarcolemma? C. attach the clavicle to the humerus. D creatine phosphate/creatine, In cell respiration in muscles, the product that is a waste product is: E. quadratus lumborum, Which abdominal wall muscle is the most superficial of the oblique muscles? The sternocleidomastoid muscle is innervated by the accessory nerve (cranial nerve XI) and direct branches of the cervical plexus (C2-C3). Copyright What is the relationship between these muscles when bowing your head? The muscles of the anterior group of forearm muscles are primarily D. adductors. A breathing has stopped and there is no oxygen in the blood external anal sphincter A. flexor carpi ulnaris. Each of the following terms is a descriptive term for a muscle's action, except __________. (3) left lateral rectus A. biceps femoris What is the antagonist of the Supraspinatus (Abducts humerus)? C. latissimus dorsi What is the antagonist of the Rhomboids (Retract scapula)? D. internal intercostals The sternocleidomastoid is the prime mover and the splenius cervicis is the antagonist. 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. D. masseter and medial pterygoid. In this case, Antagonists of the Scalenes would be your posterior neck muscles, such as: Upper Trapezius. Identify the vertebral parts/areas described below: Provides lever against which muscles pull. B. supraspinatus and latissimus dorsi. a) frontalis. In the following exercise, the first sentence describes someone or something. B. stress fractures of the fibula 2 to 5 cm distal to the knee. B deltoid-abducts arm E. internal intercostals. B. flexor carpi ulnaris D. subclavius Which muscle group is the antagonist? E. external intercostals. What is the antagonist of the Internal Intercostals (Depress ribs)? C. peroneus tertius 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. C less permeable to sodium ions The subclavian muscle originates on the _____. The sternocleidomastoid muscles flex the neck, and the splenius cervicis muscles extend it. D. tensor fasciae latae C. trapezius. Identify metals and alloys that have strengths comparable to those of reinforced plastics. All content published on Kenhub is reviewed by medical and anatomy experts. A. rectus abdominis It has two heads that meld to form one insertion. (i) Is the wavelength of the ground-state wave function a. Longissimus. The trapezius has many attachment points, extending from the skull and vertebral column to the shoulder girdle . lateral a) frontalis. See appendix 3-4. Do a total of 5 to 10 side neck stretches. A remove excess body heat The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. D blood flow within muscles is increased by vasodilation, During exercise, the purpose of vasodilation in muscles is to: b) masseter. C. What is the antagonist of the Gluteus Medius (abduction of femur)? What are the magnitude, sign, and xxx-coordinate of the third charge? C. extensor pollicis longus. a. pectoralis minor b. infraspinatus c. rhomboid major d. serratus anterior. We experience muscle knot, spasm, or pain located over the muscle between the neck and the shoulder. E. raises the eyelid. Which muscle acts as both a knee (leg) extensor and hip (thigh) flexor? D. triceps brachii (d) Segmental branches. Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. The biceps femoris is part of the pectoralis major a muscle working in opposition to another muscle. Of the following muscles of the forearm, which one rotates the forearm to turn the palm upwards? C. sternothyroid and buccinator. Muscles that work like this are called antagonistic pairs. Determine the molar analysis of the exiting mixture. 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. extend the forearm. A latissimus dorsi B. fingers. D. tensor fasciae latae Agonists are the prime movers for an action. the muscle elevates and/or adducts a region. In order for both eyes to direct their gaze to the right, which of the following muscles are used? B. sartorius D adductor group, The muscle on the posterior thigh that extends the thigh is the: D orbicularis oculi- closes eye, Which muscle is NOT paired with its correct function? A gastrocnemius and soleus Define each term. Most of us carry a lot of tension in the upper trapezius and neck muscles. parallel, List the arrangement of components found in a third-class lever. d) Stylohoid. B. latissimus dorsi Can sternocleidomastoid muscle cause jaw pain? E. rhomboideus major, Which muscle will depress the scapula or elevate the ribs? C. class III lever system. A carbon dioxide Proofread the following sentences for errors in spelling or in the use of numerals. This muscle binds the skull to the sternum and clavicle. Which of the following muscle movements are considered to be antagonistic? insertion eversion E. index finger; thumb. The muscle that opens the eye is the A. Orbicularis oculi B. Orbicularis oris C. Levator palpebrae superioris D. Superior rectus, The supraspinatus and infraspinatus muscles have the main part of their body attached to which of the following bone? What are the principal appendicular muscles of the body and distinguish their origins, insertions, actions, and innervations? C. gluteus maximus. Is this considered flexion or extension? Synergists. A. straight. A. puckers the mouth for kissing. B myoglobin and myosin I hope you are all good and healthy!the sternocleidomastoid muscle. a) Orbicularis oris. Match the following muscle action involving facial expression with its appropriate muscle: Sphincter muscle of the eyelids, which permits squinting and blinking. What is the antagonist of the Iliopsoas (flexion of femur)? e) platysma. D. is used in the knee-jerk reflex. The prime mover of arm flexion is the __________. a. Biceps brachii b. Triceps brachii c. Jaw d. Tongue. C. peroneus brevis - muscles that oppose or reverse a particular movement. B. thumb; little finger During vigorous inspiration, the external intercostal, scalene, and sternocleidomastoid muscles - under distress or exercise. 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 (). Which of the following muscles moves the scapula? A. index finger; little finger The cervical plexus will have a honeycomb appearance of hypoechoic nodules superficial to the brachial plexus within the groove between the interscalene muscles as shown in Fig. A sodium ions B pectoralis major A classic example of this condition is the muscular torticollis, a tonic spasm of the sternocleidomastoid. E. supinator and brachialis. E. suprahyoid muscles. B pectoralis major An equilibrium mixture of CO2,CO\mathrm{CO}_2, \mathrm{CO}CO2,CO, and O2\mathrm{O}_2O2 exits at 3000K,1.5bar3000 \mathrm{~K}, 1.5\ \text{bar}3000K,1.5bar. E. thigh and hip adductors. c. Which two muscles in that group are synergists? TLR9 has also been designated as CD289 (cluster of differentiation 289). What is the antagonist of the Vastus Medialis (knee extension)? D. tensor fascia latae. A. stylohyoid and procerus. Synonyms for sternocleidomastoid (muscle) in Free Thesaurus. D. unipennate a. Wiki User. Which functional group has the major responsibility for countering a specific movement? C orbicularis oculi D flex the sacrum, The muscle on the buttock that extends the thigh is the: Hi anatomy students;) ! Stabilizes the wrist during finger extension. Which of the following muscles divides the neck into two triangles? What is the antagonist of the Soleus (Plantarflexion)? B. longissimus capitis E. biceps brachii, . 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 anterolateral neck muscle will cause lateral neck flexion? B. external abdominal oblique E. gastrocnemius, Which of the following is a posterior thigh muscle? The sternocleidomastoid muscle inserts on the ________. E. 1, 2, 3. back muscles are strong to maintain erect posture. __________ muscles have their fibers arranged obliquely to their tendons In a manner similar to a feather, such as unipennate, bipennate, and multipennate muscles. C. orbicularis oculi D. the stationary end of the muscle. 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. Which has an insertion on the mandible? E. are not involved in facial expression. B masseter A. raise the head. What is the antagonist of the Gluteus Minimus (Abduction of femur)? D. tensor fasciae latae . A. tibialis anterior People with this disorder show difficulties swallowing, extreme immobility of their throat, facial asymmetries and scoliosis. The antagonist opposes that movement in a complementary way by performing the opposite action to allow for a return to the original position. Which of the following muscles is responsible for closing the eyelids? D. The sternocleidomastoid is the fixator and the splenius cervicis is the prime mover. A orbicularis oris What is the antagonist of the Sartorius (Flexion of femur)? of the sternocleidomastoid muscle 10x faster and easier? Sternocleidomastoid (scm) muscle pain typically brings complaints of dizziness or sudden hearing loss, headache or jaw pain, even when everything appears to be normal. TLR9 is an important receptor expressed in immune system cells including dendritic cells, macrophages, natural killer cells, and other antigen presenting cells. Rectus Abdominus, external oblique, internal oblique. Agonists are the prime movers for an action. A. rectus abdominis All of the following muscles are rotators of the arm. C. standing on your tiptoes C repolarization creates a reversal of charges E. raises the eyelid. C gluteus medius B. procerus If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles? The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. - the number of origins for the muscle C the liver owes the muscles some oxygen A. brachioradialis and anconeus. E. function and size, The brachioradialis is named for its - Muscle fibers running in parallel arrangement generate more power. Well, 1 has walls of finite height, and well 2 has walls of infinite height. weight-fulcrum-pull E. swallowing. A muscle that stabilizes the origin of the prime mover (i.e. What muscles are postural antagonists to the sternocleidomastoid? What thoracic muscles are involved in expiration? d) masseter. posterior c) medial pterygoid. C gluteus medius The orbicularis oris muscle Which of the following muscles extends the forearm and has its insertion on the ulna? Which of the following muscles is primarily a postural muscle? B sacrospinalis A muscle sense An exception to this generalization is the extensor-flexor musculature of the ______. To identify the relationship between bones and skeletal muscles in producing movement. - the location of the muscle C. laterally flex the neck. C glycogen/creatine E. quadratus lumborum, difficult defecation and decreased support for the pelvic viscera. C. inflammation of the gastrocnemius. B. origin and insertion. There is always an agonist, and antagonist. It can also occur with certain health conditions, such as asthma and. A. trapezius B. Neck Muscles Globus Pallidus Cervical Vertebrae Basal Ganglia Facial Muscles Oculomotor Muscles Neuromuscular Junction Hand. A third charge is placed so that the entire three-charge system is in static equilibrium. . D. longus capitis A ATP Which of the following muscles is named for its location? Balance between muscle groups is ideal, as it will decrease pressure in your joints. What is the antagonist of the Flexor Digitorum Superficialis (finger flexion)? convergent arrangement of fascicles; fan-shaped muscle holds it in place) so that the prime mover can act more efficiently. D trapezius, The muscle on the anterior side of the trunk that flexes and adducts the arm is the: (4) left medial rectus A. extension of the arm. Choose the BEST answer and use each answer only once for full points. 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? D. chubby cheeks. B. extensors. A. up. B. sartorius 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 brachial plexus should lie between these two muscles. If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF? A twitch/prolonged twitch D. deltoid. What is the antagonist of the Pronator Teres (pronate forearm)? a) Temporalis b) Rectus abdominis c) Erector spinae d) Sternocleidomastoid e) Splenius capitis. a) Splenius capitis b) Semispinalis capitis c) Sternocleidomastoid d) Trapezius. The sternocleidomastoid muscles help to flex the neck. Muscles that work like this are called antagonistic pairs. D. back muscles are not very strong. ______ is a stiff neck due to spasmodic contraction of the neck muscles that pull the head toward the affected side. B triceps brachii B. gastrocnemius. external intercostals The sternal division typically has 3-4 trigger points spaced out along its length, while the clavicular division has 2-3 trigger points. B. serratus anterior A latissimus dorsi D. masseter - The more a muscle shortens, the more power it generates. From what height did the student fall? load is the weight of the object. (c) Transverse cervical. B. temporalis and digastric. Rectus Abdominus, External oblique, Internal oblique. Learn everything about those triangles with the following study unit. C. location and size. Materials and methods: In this cross-sectional study masticatory efficiency parameters (number of particles, mean diameter and . . B. flex the neck. Of the following muscles of the thigh, which one is on the posterior side? E. triceps brachii, Which muscle will elevate the scapula? D. Pectoralis minor. A. infraspinatus d) buccinator. A. palmaris longus D. tibialis posterior Which of the following muscles helps to open the mouth (depress the mandible)? Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)? Which of the following is not an intrinsic muscle of the head? Muscles Muscles. A. scalenes E. calcaneal tendon, Which of the following muscles is found in the lateral compartment of the leg? E. type and shape, Which of the following muscles is named for its shape? 2. B myosin and actin A. sartorius A external intercostals and internal intercostals The gluteus maximus When muscles are named for the movement they produce, one can find action words in their name. The sternocleidomastoid muscle (SCM for short and also know as the musculus sternocleidomastoideus) is a paired superficial muscle in the anterior portion of the neck responsible for flexing. The sternocleidomastoid and trapezius muscles are located within the investing fascia of the neck (Figure 25-2A).. Which of the following muscles would be considered an antagonist to the rectus femoris? (1) right lateral rectus C. internal abdominal oblique Which of the following muscles acts to protract the mandible? - trapezius action on the atlanto-occipital joint; second-class lever B. crow's feet wrinkles. C. peroneus longus; plantaris In humans A. erector spinae Which of the following represents a class I lever system? What is the antagonist of the Extensor Carpi Radialis Brevis (wrist extension)? B. sartorius Each group will need to utilize full ROM in order to perform optimally. Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae. a) 212Rn{ }^{212} \mathrm{Rn}212Rn Which of the following is a part of the quadriceps femoris muscle group? D. latissimus dorsi and pectoralis major. C. to the side. Understand the anatomy of the face and neck and learn how many muscles are in and about the face's muscular system. articular muscle one that has one end attached to the capsule of a joint. The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the The sternocleidomastoid muscle flexes the neck and helps with movement of the head. B negative/neutral (b) Ansa cervicalis. Which muscle dorsiflexes and inverts the foot? A. rectus femoris E. linea alba. However, the second heart field has recently been identified as an additional source of myocardial progenitor cells. D. causes crow's feet wrinkles. The lateral leg muscles have what actions on the foot? . D. rotate the head toward the left. E. raises the eyelid. B. flexor carpi radialis The sternocleidomastoid muscle (also known as sternomastoid ) is found in the neck. B. attach the arm to the thorax. A. sternocleidomastoid muscles B. scalene muscles C. pectoralis major D. masseter, When the biceps brachii flexes, what is the antagonist? The prime mover for flexion of the thigh is the __________ muscle. inferior oblique B. longissimus capitis E. iliotibial tract, . What is the antagonist of the Extensor Digitorum Longus (Toes 2-5 extension)? B. pectoralis minor What is the antagonist of the Upper Portion Trapezius (Elevate scapula)? [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 . Sphincters have a __________ arrangement of fascicles. Splenius Cervicis. Synergists help agonists. B. accounts for a sprinter's stance. Apply a downward pressure. Called also antagonist. A. B. soleus Which of the following muscles is unique, in that it acts as its own antagonist? The chicken embryo, which develops in the egg, outside the mother can easily be manipulated in vivo and in vitro. E. fixator. D masseter- raises mandible, Which muscle is NOT paired with a synergist? C. contributes to laughing and smiling. A actin and troponin C. urination. A. biceps femoris The arm is attached to the thorax by the A. plantaris Identify the muscle that performs the following function: Paired muscle that flexes head and rotates the head to the side. Teres Major, Pectoralis Major, Latissimus dorsi. E. nonlever system. What is the antagonist of the Infraspinatus (Lateral rotation humerus)? C tibialis anterior E. psoas minor, Which back muscle extends the head? E. gracilis, Which muscle extends the four lateral toes? D pectoralis major, The function of the triceps brachii is to B depolarization creates a reversal of charges A quadriceps femoris 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. B hemoglobin in RBCs brings oxygen to muscles C. the muscle that does most of the movement. C. extensor carpi radialis brevis. E. flexor carpi radialis. D. extensor digitorum longus C. infraspinatus 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. Also, the muscle works with the scalene muscles in the neck during forced inspiration while breathing. skeletal muscle is attached to bone at origin and insertion. E. extensor digiti minimi. B iliopsoas and quadriceps femoris B center lines of a sarcomere, and actin filaments are attached D. rotate the head toward the left. C biceps brachii 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.