C. pectoralis minor d. It pushes the charge perpendicularly to the field and the charge's velocity. When the biceps brachii contracts, the elbow flexes. I would honestly say that Kenhub cut my study time in half. D. internal intercostals D cholinesterase to prevent unwanted continous contractions, The sarcoplasmic reticulum of a muscle fiber contains: What is the antagonist of the Peroneus Longus (eversion)? Which of the following muscles has superior, middle and inferior sections? C. longissimus capitis B masseter 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? a group of muscles that work together to cause movement. Muscles that change the shape of the tongue are called B. fingers. D tetanus/extended action potential, Which statement is NOT true of responses to excercise? What is the antagonist of the Upper Portion Trapezius (Elevate scapula)? Nelissen, in Principles of Gender-Specific Medicine (Third Edition), 2017 37.3.1 Focal Dystonia. trapezius C. adductor magnus (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. A. rectus abdominis Prime movers and antagonists are often paired up on opposite sides of a joint, with their prime mover/antagonist roles reversing as the movement changes direction. Their antagonists are the longus capitis and the rectus capitis anterior. E. stylohyoid. B. childbirth. D. weight is the muscle mass. d) masseter. B pectoralis major Does your neck feel stiff or achy when you wake up in the morning? E. brachioradialis. Choose the BEST answer and use each answer only once for full points. People with this disorder show difficulties swallowing, extreme immobility of their throat, facial asymmetries and scoliosis. Read more. D. rhomboidal. A)trapezius B)sternocleidomastoid C)semispinalis D)platysma. D the frontal lobes of the cerebellum initiate muscle contraction, The direct energy source for muscle contraction is: It has two heads that meld to form one insertion. The sternocleidomastoid is a two-headed neck. Introduction ; 11.1 Interactions of Skeletal Muscles, Their Fascicle Arrangement, and Their Lever Systems ; 11.2 Naming Skeletal Muscles ; 11.3 Axial Muscles of the Head, Neck, and Back ; 11.4 Axial Muscles of the Abdominal Wall, and Thorax ; 11.5 Muscles of the Pectoral Girdle and Upper Limbs ; 11.6 Appendicular Muscles of the Pelvic Girdle and Lower Limbs ; Key Terms B. transversus abdominis. The sternocleidomastoid muscle (also known as sternomastoid ) is found in the neck. What is the antagonist of the Quadratus Lumborum (Lateral trunk flexion)? B. flexor carpi radialis. D. hold the head of the humerus in the glenoid fossa of the scapula. The thenar muscles are involved in controlling the ____; the hypothenar muscles control the ____. D. masseter and medial pterygoid. C gluteus medius A. scalenes Tilt your head to the right as far as you comfortably can. D. causes crow's feet wrinkles. A rectus abdominus What is the antagonist of the Sternocleidomastoid (Neck flexion)? pectoralis major C. orbicular. What is the antagonist of the Biceps Brachii (Flexion of forearm)? circular (a) diaphragm (b) external intercostals (c) sternocleidomastoid (d) scalenes (e) abdominal muscles. E. masseter. The gluteus maximus D trapezius, The muscle on the posterior side of the trunk that extends and adducts the arm is the: eversion 10. You can argue that a flat piece of glass, such as in a window, is like a lens with an infinite focal length. C dorsiflex the foot D. thumb; index finger D muscle fibers must have oxygen to complete cell respiration, The term "oxygen debt" means D. rotate the head toward the left. A. quadriceps femoris Sternocleidomastoid muscle 32 languages The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. - a synergist - an antagonist - a fixator - a prime mover - an antagonist. bipennate Splenius Cervicis. choose all that apply. c. Which two muscles in that group are synergists? TLR9 is an important receptor expressed in immune system cells including dendritic cells, macrophages, natural killer cells, and other antigen presenting cells. Which of the following muscles contracts during forced expiration? C. internal abdominal oblique Which of the following is a part of the quadriceps femoris muscle group? The sternocleidomastoid muscle is innervated by the accessory nerve (cranial nerve XI) and direct branches of the cervical plexus (C2-C3). B. difficult defecation. A. straight. The sternocleidomastoid travels indirectly across the side of the neck. The sternocleidomastoid and trapezius muscles are located within the investing fascia of the neck (Figure 25-2A).. Match the muscle's name with what generally describes one or more of its features: Muscle name that describes size. D flex the sacrum, The muscle on the buttock that extends the thigh is the: (c) Transverse cervical. The arm is attached to the thorax by the E. raises the eyelid. A. extrinsic muscles. C. orbicularis oculi When both muscles of this pair are contracted simultaneously, they flex the neck forward. The press release said that mayor Watkins will be at the ground-breaking ceremony. C. location and size. What is the antagonist of the Gluteus Medius (abduction of femur)? The, Which muscle acts as an antagonist to trapezius? - Muscle fibers running in parallel arrangement generate more power. B. orbicularis oris You need our head and neck muscle anatomy chart! Aim to feel a stretch on the right Sternocleidomastoid. Also, the muscle works with the scalene muscles in the neck during forced inspiration while breathing. A more permeable to potassium ions C. gluteus maximus. You should feel a stretch on the left side of your neck. C. contributes to laughing and smiling. A. levator scapulae a. splenius cervicis b. latissimus dorsi c. trapezius (upper fibers) d. serratus anterior e. teres major. All of the following muscles are rotators of the arm. C tibialis anterior sternocleidomastoid muscle on the ultrasound and attempt to identify the anterior and middle scalene muscles. A. Sternocleidomastoid. C. tibialis anterior b. Quadratus lumborum. The sternocleidomastoid muscles help to flex the neck. Etymology and location [ edit] E. calcaneal; peroneal, Which of the following muscles is used when walking on your tiptoes? B. contributes to pouting. What is the antagonist of the Deltoid (Abduct humerus)? hope you all enjoy the vid!enjoy the video and reflect on the mod. Write down equations to describe the alpha decay of the following atoms: (b) Ansa cervicalis. B. soleus D. adductors. What is the antagonist of the Teres Major (Adducts humerus)? Anterocollis is a type of cervical dystonia characterized by simultaneous and repetitive antagonist muscles contractions, resulting in abnormal neck flexion. That is, how are did_{\mathrm{i}}di and dod_{\mathrm{o}}do related? Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. D increase the blood supply within muscles, The muscle on the lateral surface of the shoulder that abducts the arm is the Which muscles insert upon the scapula and attach the scapula to the thorax? Which of the following muscles is unique, in that it acts as its own antagonist? A student (m = 63 kg) falls freely from rest and strikes the ground. E. abductor pollicis brevis. 2012-03-06 . B. flexor carpi ulnaris A. extensor indicis. What is the antagonist of the Middle Portion Trapezius (Retract scapula)? auricular m's 1. the extrinsic auricular muscles, including the anterior, posterior, and superior auricular muscles. C. anterior thigh compartment. A. Brachialis B. Deltoid C. Triceps Brachii D. Brachioradialis E. Trapezius. 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. D. subclavius The type of muscle that functions as a sphincter is B. gluteus maximus and vastus lateralis. The sternocleidomastoid muscle inserts on the ________. D sarcolemma, At the neuromuscular junction, the sacrolemma contains: c. It pushes the charge backward. Antagonistic pairs or pairs of muscles that work opposite one another can also contract at the same time and potentially cause injuries. 2 and 4 could be wrong, but im. Thanks rx0711. A nursing infant develops a powerful sucking muscle that adults also use for whistling. What is the antagonist of the Internal Oblique (Trunk flexion)? (c) equal for both wells? . . The sternocleidomastoid is the prime mover and the splenius cervicis is the antagonist. A acetylcholine to be stored when an impulse arrives I hope you are all good and healthy!the sternocleidomastoid muscle. What is the antagonist of the Vastus Medialis (knee extension)? Muscles that elevate the jaw and close the mouth include the - muscles that oppose or reverse a particular movement. D more permeable to sodium ions, Which statement is NOT true of the electrical events at the sarcolemma? E. gracilis, Which of the following is the longest muscle in the body? Which of the following muscles helps to open the mouth (depress the mandible)? What type of motor is known as a constant-speed motor? Which of the following muscle is found in the head? B muscles lack the oxygen needed to complete cell respiration C. a wonderful smile. The splenius captis is located on the lateral side of the C7. Reviewer: A. rectus femoris The deltoid is a muscle named according to __________. Match the word to its correct meaning: Rectus. circular arrangement of fascicles; describes the deltoid muscle, convergent arrangement of fascicles; fan-shaped muscle. A. erector spinae Curated learning paths created by our anatomy experts, 1000s of high quality anatomy illustrations and articles. D. sartorius and rectus femoris. A. iliopsoas. D. levator anguli oris A remove excess body heat B. class II lever system. Semispinalis Capitis, etc. A. function and orientation. C. medially rotates the arm. A. does most of the work in "sit-ups." From this sentence, we can infer that the victims wanted a more serious _____ to be handed out. Of the following muscles of the thigh, which one does NOT pull the leg forward? Match the word to its correct meaning: Transverse. Which muscle is directly superior to the trapezius? D. abducts the arm. What is the relationship between these muscles when bowing your head? convergent arrangement of fascicles; fan-shaped muscle What is the antagonist of the Corabobrachialis (Adduction)? C. interspinales B. biceps brachii C. allows one to sit cross-legged. B. contributes to pouting. What is the antagonist of the Serratus Anterior (Protract scapula)? C. Diaphragm. Which of the following muscles is named for its action? B the parietal lobes of the cerebrum integrate conscious muscle sense D. levator palpebrae superioris D. subclavius Biceps Brachii, Brachialis, Brachioradialis. Sternocleidomastoid (scm) muscle pain typically brings complaints of dizziness or sudden hearing loss, headache or jaw pain, even when everything appears to be normal. Which of the following muscles extends the forearm and has its insertion on the ulna? b) gastrocnemius. What is the antagonist of the External Oblique (Trunk flexion)? What is the antagonist of the Flexor Carpi Radialis (wrist flexion)? It pulls the charge forward. holds it in place) so that the prime mover can act more efficiently. Sternocleidomastoid muscle: want to learn more about it? Determine the molar analysis of the exiting mixture. C. laterally flex the neck. B. longissimus capitis Splenius Capitus. Antagonistic muscle that is paired with an agonist muscle is referred together as antagonistic pairs. The muscles that coordinate the opening and closing of the mouth? The pelvic diaphragm consists of what two muscles? Balance between muscle groups is ideal, as it will decrease pressure in your joints. C. interspinales C repolarization creates a reversal of charges D. extensor hallicus longus D. palatoglossus Dimitrios Mytilinaios MD, PhD D. brachialis C gluteus medius C. extensor digitorum longus D. causes crow's feet wrinkles. The term "shin splints" is applied to B ATP What is the antagonist of the Brachialis (Flexion of forearm)? Which of the following are correctly matched? E. thigh and hip adductors. E. extensor digiti minimi. B. longissimus capitis An exception to this generalization is the extensor-flexor musculature of the ___. C toponin and tropomyosin E. rotate the forearm, . The sternocleidomastoid is the prime mover and the splenius cervicis is the fixator. (a) splenius capitis (b) semispinalis capitis (c) longissimus capitis (d) both (a) and (b) (e) all of the above. A. vomiting. D. Pectoralis minor. B sacrospinalis B. rectus femoris D. causes crow's feet wrinkles. The most powerful muscle in the body is the ________. B. biceps brachii and supinator. A. crossing your legs E. soleus, Which of the following is inserted on the calcaneus by the Achilles tendon? C myosin filaments E. rhomboideus major, . Which of the following muscles is involved in forced expiration? What is the antagonist of the Rhomboids (Retract scapula)? b. 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. A. retinacula. The SCMs on each side of your body course from the breastbone and collar bone in the upper part of the chest to the back of the head. During vigorous inspiration, the external intercostal, scalene, and sternocleidomastoid muscles - under distress or exercise. Some of the antagonistic pairs are as follows: Biceps and triceps Gluteus maximum and hip flexors Hamstrings and quadriceps Pectoralis major and latissimus dorsi Draw two lines under the verb in parentheses that agrees with the subject. Describe how the prime move The major movement produced during quiet breathing is accomplished by the transverse; parallel to the long axis. LAB 5 Muscle I Axial Muscular System Objectives: To know the primary functions of the muscular system. convergent (4) left medial rectus The sternocleidomastoid muscles help to flex the neck. the end of the muscle where the action occurs. A. biceps femoris C. What is the antagonist of the External Intercostals (Elevate ribs)? Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. The information we provide is grounded on academic literature and peer-reviewed research. What is this muscle called? 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. 40,41 This involuntary contraction can be seen as an abnormal posturing and twisting of muscles during motor . Major Skeletal Muscle Synergists-Biol 241 Sap, The Language of Composition: Reading, Writing, Rhetoric, Lawrence Scanlon, Renee H. Shea, Robin Dissin Aufses, Byron Almen, Dorothy Payne, Stefan Kostka, Lecture 27: The Federal Executive & Bureaucra. - Multipennate muscles do not produce much power because the fibers run in many directions. A. E. is a common site for injections. C. pectoralis minor D. internal abdominal oblique. Fixators hold joints in place, so movement does not occur. Ans ) 1)Sternocleidomastoid - splenius Action : Sternocleidomastoid ; flex and rotate head side to side Splenius : Extension of head 2)Br View the full answer Transcribed image text: Match each muscle on the left with an antagonistic muscle on the right. Which abdominal wall muscle inserts on the xiphoid process and the linea alba? A classic example of this condition is the muscular torticollis, a tonic spasm of the sternocleidomastoid. E. vastus intermedius, . Our experts can answer your tough homework and study questions. A. flexors. A a sustained contraction Infer information from the first sentence, and then choose the word from the Word Bank that best completes the second sentence. B. orbicular. @article{GravenNielsen1997EffectsOE, title={Effects of experimental muscle pain on muscle activity and co-ordination during static and dynamic motor function. Which of the following muscles performs cervical extension only? B. origin and insertion. What are attachments for these muscles, and their functions? What is the antagonist of the Flexor Digitorum Superficialis (finger flexion)? 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). a. pectoralis minor b. infraspinatus c. rhomboid major d. serratus anterior. What is the antagonist of the Internal Intercostals (Depress ribs)? D sarcoplasmic reticulum, In a muscle fiber, the Z lines are the: The biceps brachii functions to pull the radius of the lower arm toward the body. All content published on Kenhub is reviewed by medical and anatomy experts. B pectoralis major E. are not involved in facial expression. D. sphincter urethrae and sphincter ani muscles. 11. C. pectoralis minor and pectoralis major. Organisms 6. B. sartorius E. lever is a pivot point. (1) right lateral rectus A. pectoralis major. What is the antagonist of the Tibialis Anterior (Inversion)? The sternocleidomastoid muscles flex the neck, and the splenius cervicis muscles extend it. Which has an insertion on the mandible? B iliopsoas and quadriceps femoris 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. Getting their priceless heirlooms back was not enough for the many victims of the thief; they wanted the thief to serve time in prison. B quadriceps femoris - the location of the muscle D. flexor digitorum profundus A sodium ions A. infraspinatus 2023 . D. extensor carpi radialis brevis The radial pulse can be felt just lateral to the tendon of the 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. The more stationary attachment of a muscle to a bone is called the: Which statement is NOT true of gross muscle structure? A they have opposite functions B they push bones in opposite directions A. puckers the mouth for kissing. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. A end lines of a sarcomere, and actin filaments are attached B. palatopharyngeus E. creases in the cheeks, Closing or puckering the lips is the action of the _____ muscle. Which one of those muscles is considered the prime mover? A orbicularis oris D deltoid and brachioradialis, The muscle on the posterior lower leg that plantar flexes the foot is the: What muscle is directly lateral to the sternohyoid? It can also occur with certain health conditions, such as asthma and. A. quadriceps femoris Which of the following muscles acts to protract the mandible? a. Longissimus. movement of biceps brachii and the brachialis. d. Splenius. Repeat on other side. The levator palpebrae superioris muscle A. back muscles are strong to maintain erect posture. E. teres major. This article will discuss the anatomy, function and clinical relations of the sternocleidomastoid muscle. inferior oblique D. medial thigh compartment. D. rotate the head toward the left. a) Biceps femoris b) Gluteus medius c) Tensor fasciae latae d) Adductor longus e) Rectus femoris. B. extensor carpi ulnaris. The sternocleidomastoid muscle flexes the neck and helps with movement of the head. C the liver owes the muscles some oxygen and grab your free ultimate anatomy study guide! E. peroneus longus. C. thenar muscles (c) equal for both wells? E. zygomaticus and buccinator. a) Clavicle b) Cervical vertebrae c) Scapula d) Sacrum. C. fulcrum is the part being moved. It has no effect. C. extensor digitorum longus A. pennate. What is the antagonist of the Tensor Fasciae Latae (Abduction of femur)? stress fractures of the fibula 2 to 5 cm distal to the knee. D. unipennate C brachioradialis and biceps brachii C. external intercostals. a) frontalis. C gluteus maximus flexes thigh B pectoralis major D. tummy tucks. 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. extension of the arm. E. 1, 2, 3. back muscles are strong to maintain erect posture. a. intermittent claudication b. spasmodic torticollis c. myasthenia gravis d. contracture, What muscle performs the opposite action (antagonist) of soleus? A. deltoid (Hint: Integrate over disk-shaped mass elements of thickness dyd ydy, as shown in the given figure.). thyrohyoid A muscle that extends both the wrist and the index finger is the The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. Match the following muscle action with its appropriate term: C. peroneus tertius E. swallowing. What is the function of Sternocleidomastoid? B. belly. A. rectus abdominis. An agonist muscle is a muscle that is primarily responsible for the action being demonstrated. A third charge is placed so that the entire three-charge system is in static equilibrium. D. posterior compartment syndrome. A. gluteus medius and gluteus maximus. 3 synonyms for musculus sternocleidomastoideus: sternocleido mastoideus, sternocleidomastoid, sternocleidomastoid muscle. E. hyperextend the head. A. quadriceps femoris D there is too little oxygen in the lungs, In the neuromuscular junction, the membrane of the muscle fiber is called the: What is the antagonist of the Vastus Lateralis (knee extension)? What are synonyms for sternocleidomastoid (muscle)? D flex the arm, The muscle on the posterior side of the shoulder that raises the shoulder is the: B. diaphragm. The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. 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. 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. raises the eyelid. A. extend the neck. B. splenius capitus D. extensor hallucis longus; flexor hallucis longus external anal sphincter Which muscle helps a person to cross a leg when seated (place one's lateral ankle on the opposite knee)? a muscle working in opposition to another muscle. C. masseter muscles. B quadriceps femoris Synergists help agonists. Match the word to its correct meaning: Deltoid. 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 flex the neck C. peroneus brevis C. linea alba - The more a muscle shortens, the more power it generates. Which of the following is found in the posterior group of forearm muscles? Damage to which of the following muscles would hinder inspiration? Identify the vertebral parts/areas described below: Provides lever against which muscles pull. Approximately 0.5% of all newborns suffer from muscular torticollis, however, the etiology remains unclear. A. flexor carpi ulnaris. The muscle shape that has the capacity to shorten to the greatest degree is C. vastus lateralis. 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. A. pectoralis major Reading time: 5 minutes. C. biceps femoris C extend the vertebral column We experience muscle knot, spasm, or pain located over the muscle between the neck and the shoulder. B latissimus dorsi- flexes arm d) Stylohoid. a. Frontalis b. Occipitalis c. Masseter d. Sternocleidomastoid e. Rectus Abdominis f. Pectoralis Minor g. Pectoralis Major h. Supraspinatus i. Infraspinatus j. Subscapularis.
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