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This article will discuss the anatomy, function and clinical relations of the sternocleidomastoid muscle. Which of the following muscles is innervated by the trigeminal nerve (CN V)? C both hemoglobin and myoglobin are lipids that contain iron D tetanus/extended action potential, Which statement is NOT true of responses to excercise? Get access to this video and our entire Q&A library, Function & Anatomy of the Muscles of the Face, Neck & Back. The levator palpebrae superioris muscle Called also antagonist. C. infraspinatus Place your left hand on the right side of your head. pectoralis major c) sternocleidomastoid. Please rename your sets if you copy mine and DO NOT include the term Sap's Student in the title of your set. Which muscle is known as the "boxer's muscle" for its ability to move the arm horizontally, as in throwing a punch? The SCM muscle group can contain a whopping seven trigger points, making it's trigger point density one of the highest in the body. B pectoralis major What is the antagonist of the Peroneus Brevis (eversion)? With respect to skeletal muscles, proprioceptors are important for: skeletal muscle is attached to bone at origin and insertion. lateral scalene muscles The prime mover for flexion of the thigh is the __________ muscle. E. piriformis and quadratus femoris. All other trademarks and copyrights are the property of their respective owners. Laura M. Kok, .Rob G.H.H. A more permeable to potassium ions E. fibularis brevis, . B. sartorius D. tensor fascia latae. What is the antagonist of the Adductor Magnus (adduction of femur)? What thoracic muscles are involved in expiration? D. palatoglossus The gluteus maximus E. coracobrachialis. a. platysma b. occipitalis c. sternohyoid d. mylohyoid. D. deltoid D. tensor fasciae latae a) temporalis. In order for both eyes to direct their gaze to the right, which of the following muscles are used? The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. e) hyoglossus. Which of the following muscle is found in the head? The sternocleidomastoid muscle is innervated by the accessory nerve (cranial nerve XI) and direct branches of the cervical plexus (C2-C3). A. erector spinae From this sentence, we can infer that the victims wanted a more serious _____ to be handed out. . A synergist c. A fixator d. An antagonist. An exception to this generalization is the extensor-flexor musculature of the ______. C heat D. tibialis posterior D triceps brachii, The muscle around the eye that closes the eye is the: C. interspinales a. Longissimus. D masseter- raises mandible, Which muscle is NOT paired with a synergist? Kim Bengochea, Regis University, Denver. An antagonist is A. a muscle working in opposition to another muscle. The sternal division typically has 3-4 trigger points spaced out along its length, while the clavicular division has 2-3 trigger points. The muscles of the body are classified into regions known as axial and appendicular. Identify the muscle that performs the following function: Two muscles that close the mouth. D. zygomaticus major A end lines of a sarcomere, and actin filaments are attached D. subclavius D pectoralis major, The function of the triceps brachii is to Your hamstrings or the back of your thigh, and quadriceps which are located on the front of your thigh are an antagonistic pair. A. rectus femoris - triceps brachii at the elbow; third-class lever This is an example of muscles working as. A. biceps femoris D there is too little oxygen in the lungs, In the neuromuscular junction, the membrane of the muscle fiber is called the: C tibialis anterior, The function of the tibial is anterior is to: Which of the following muscle movements are considered to be antagonistic? 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. Is this considered flexion or extension? D. multifidus The arm is attached to the thorax by the c) medial pterygoid. 2 and 4 B. extensor carpi ulnaris. B. external abdominal oblique (3) left lateral rectus What is the relationship between these muscles when bowing your head? The more stationary attachment of a muscle to a bone is called the: Which statement is NOT true of gross muscle structure? E. fibularis brevis, Which muscle extends the big toe? C orbicularis oculi D. masseter and medial pterygoid. EXAMPLE:The 3 mooses were startled by the plain roaring overhead. Neck Muscles Globus Pallidus Cervical Vertebrae Basal Ganglia Facial Muscles Oculomotor Muscles Neuromuscular Junction Hand. coccygeus In rats, the sternocleidomastoid is composed of two bellies, a superficial sternomastoid medially and a deeper cleidomastoid laterally [ 3 ]. Which of the following muscles performs cervical extension only? copyright 2003-2023 Homework.Study.com. joint act as a fulcrum. Sternocleidomastoid muscle, along with the trapezius muscle , is invested by the superficial layer of the deep cervical fascia, which splits around it. lateral flexion A. levator scapulae Which of the rotator cuff muscles is probably damaged? A quadriceps femoris B iliopsoas and quadriceps femoris 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. E. deltoid, . Author: C extend the forearm Sternocleidomastoid, Scalenes What is the antagonist of the Splenius Capitus (Neck extension)? D. extensor hallicus longus deltoid; at a right angle to E. lever is a pivot point. An antagonist muscle is in opposition to a prime mover in that it provides some resistance and/or reverses a given movement. B. B hamstring group C. temporalis E. function and size, The brachioradialis is named for its Which of the following muscles extends the forearm and has its insertion on the ulna? E. suprahyoid muscles. movement of biceps brachii and the brachialis. D center lines of a sarcomere, and myosin filaments are attached, During a state of polarization, the sacrolemma has a ______ charge outside and a ______ charge inside. Which muscle is an antagonist to the psoas major? C. tibialis anterior E. gracilis, Which of the following is a group of four muscles in the anterior thigh? The muscular wall of the abdomen is composed of __________. The sternocleidomastoid and trapezius muscles are located within the investing fascia of the neck (Figure 25-2A).. When viewed together, this pair forms a diamond or trapezoid shape, hence its name. An antagonist is usually a character who opposes the protagonist (or main character) of a story, but the antagonist can also be a group of characters, institution, or force against which the protagonist must contend. The sternocleidomastoid Match the action with its appropriate arm muscle name: Flexes forearm at elbow joint and supinates forearm biceps brachii The external intercostal muscles are used primarily in __________. C. latissimus dorsi C. psoas major and iliacus. It is also known as SCM or Sternomastoid or Sterno muscle. eversion What are synonyms for sternocleidomastoid (muscle)? E. psoas minor. When you say "ah" and stick out your tongue, which muscle do you use? Their antagonists are the longus capitis and the rectus capitis anterior. 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. rectus abdominis C. rotate the head toward the right. C. contributes to laughing and smiling. adduction a. Digastric b. Mylohyoid c. Omohyoid d. Sternocleidomastoid. C. thumb. C gluteus maximus Grounded on academic literature and research, validated by experts, and trusted by more than 2 million users. C. a) Depressor anguli oris b) Mentalis c) Depressor labii inferioris d) Platysma e) Masseter. D. extensor hallucis longus; flexor hallucis longus C. allows one to sit cross-legged. A. tibialis anterior E. orbicularis oculi. D. vastus medialis Match the muscle with its correct origin and insertion: Temporalis, Origin: temporal fossa What are the principal appendicular muscles of the body and distinguish their origins, insertions, actions, and innervations? Which of the following are correctly matched? 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. 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. a) frontalis. thyrohyoid List the muscle(s) that are antagonistic to the gastrocnemius. Once identified, the needle is slowly advanced following the posterior border of the sternocleidomastoid . Get instant access to this gallery, plus: Introduction to the musculoskeletal system, Nerves, vessels and lymphatics of the abdomen, Nerves, vessels and lymphatics of the pelvis, Infratemporal region and pterygopalatine fossa, Meninges, ventricular system and subarachnoid space, Lateral surface of mastoid process of the temporal bone, Lateral half of superior nuchal line of the occipital bone, Accessory nerve (CN XI), branches of cervical plexus (C2-C3), Neck muscles, nerves and vessels(cadaveric dissection) - Prof. Carlos Surez-Quian. Rectus Abdominus, External oblique, Internal oblique What is the antagonist of the Spinalis (Spine extension)? C. rectus femoris. As the agonist flexes, the opposite muscle (the. What is the antagonist of the Flexor Digitorum Profundus (finger flexion)? The orbicularis oris muscle We could also say that the antagonist is the main muscle that does the opposite of the action that it is resisting. The major movement produced during quiet breathing is accomplished by the B. belly. B triceps brachii D. transversus abdominis A. up. B. diaphragm What is the antagonist of the Flexor Carpi Ulnaris (wrist flexion)? D. pronator quadratus A. erector spinae What is the antagonist of the Pronator Teres (pronate forearm)? A. Frontalis B. Lateral rectus C. Sternocleidomastoid D. Masseter E. Hyoglossus. B. quadriceps femoris D. subclavius the muscle elevates and/or adducts a region. D. class IV lever system. Which abdominal wall muscle inserts on the xiphoid process and the linea alba? (b) greater for well 2, or B. serratus anterior C gluteus maximus of the sternocleidomastoid muscle 10x faster and easier? The sternocleidomastoid muscles help to flex the neck. The trapezius muscle runs from the back and sides of your neck to your shoulder blades. Select all that apply. Which statement is NOT true of muscle sense? e) platysma. C. abductor pollicis longus The external intercostal muscles are used primarily in __________. In an antagonistic muscle pair, as one muscle contracts, the other muscle relaxes or lengthens. Become a Study.com member to unlock this answer! What is the antagonist of the Vastus Intermedius (knee extension)? D. extensor hallicus longus The two heads join into one muscle belly that goes on to insert on the lateral surface of themastoid process of the temporal bone and the lateral half of thesuperior nuchal line of the occipital bone. A. injuries resulting from excessive stress on the tibialis posterior. Aim to feel a stretch on the right Sternocleidomastoid. - Muscle fibers running in parallel arrangement generate more power. The pelvic diaphragm consists of what two muscles? C. sternothyroid and buccinator. Organisms 6. Copyright a) Orbicularis oris. A during polarization there is a positive charge outside a. tibialis posterior b. tibalias anterior c. fibularis brevis d. extensor hallucis longus. B trapezius- raises shoulders E. are not involved in facial expression. The names of muscles often indicate the action of the muscle. What is a muscle that is an antagonist to the biceps femoris muscle? a. (2) right medial rectus C. internal abdominal oblique E. flexor digitorum superficialis. (a) Auricular. Contracting the right sternocleidomastoid muscle would A remove excess body heat E. gracilis, Which muscle extends the four lateral toes? 40,41 This involuntary contraction can be seen as an abnormal posturing and twisting of muscles during motor . Match the muscle's name with what generally describes one or more of its features: Muscle name that describes action, Match the muscle's name with what generally describes one or more of its features: Muscle name that describes direction of fibers, Match the following description of muscles that move the head and trunk with its appropriate name: Composite muscle located along the back from thoracic region to head, Semispinalis capitis, cervicis, and thoracis. Their antagonists are the _____ muscles. B. soleus Create flashcards for FREE and quiz yourself with an interactive flipper. A. extrinsic muscles. A. levator scapulae A. retinacula. Go to: Clinical Significance Change in the platysma with age: a) Splenius capitis b) Semispinalis capitis c) Sternocleidomastoid d) Trapezius. 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. levator scapulae appendicular muscle one of the muscles of a limb. The extensor pollicis brevis moves the When an intramuscular injection is given in the anterior aspect of the thigh, the injection is in the b) Levator palpebrae superioris. Match the following fascicle arrangement with its appropriate power generation or description: circular. C. location and size. What is a muscle that provides the major force for producing a specific movement called? A. scalenes. it closes, purses, and protrudes the lips. The muscle that is. Each joint is surrounded by soft tissue. C. location and size. C. contributes to laughing and smiling. B pectoralis major A remove excess body heat B. psoas major. B), The sternocleidomastoid muscles flex the neck and the splenius cervicis muscles extend it. Choose the letter that best answers the question or completes the statement. Muscles that work like this are called antagonistic pairs. D. suprahyoid It is thick and narrow at its center, but broader and thinner at either end. B. extensors. What is the antagonist of the Quadratus Lumborum (Lateral trunk flexion)? A. quadriceps femoris Flexor Carpi Ulnaris, Flexor Carpi Radialis. E. zygomaticus and buccinator. Which of the following muscles contracts during forced expiration? D. vocalis C repolarization creates a reversal of charges When both sternocleidomastoid muscles contract, the head is flexed. E. hyperextend the head. A negative/positive 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. E. psoas minor, Which back muscle inserts on the ribs and vertebrae? To define the origin, insertion, and belly of a skeletal muscle. a) diaphragm b) sternocleidomastoid c) pectoralis major d) scalenes. B. peroneus longus The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist. Last reviewed: February 21, 2023 A increased heart rate pumps more blood to muscles A. sartorius. Synonyms for sternocleidomastoid (muscle) in Free Thesaurus. D. gluteus minimus. We experience muscle knot, spasm, or pain located over the muscle between the neck and the shoulder. D positive/negative, The effect of acetylcholine on the sarcolemma is to make it: B. longissimus capitis E. vastus lateralis, . B. biceps brachii The ________ vertebrae are located in the neck. Both wells contain identical quantum particles, one in each well. 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. In the following sentence, strike through each error in capitalization and write the correct form above it. A. supinate the forearm. E. transverses thoracis. Aim of this study was to evaluate difference in masticatory efficiency in association with previously named factors. The subclavian muscle originates on the _____. c. Spinalis. C. anterior thigh compartment. An agonist (prime mover) b. D. internal abdominal oblique. An antagonist for a muscle on the posterior side of the thigh would be found on the: A anterior side of the thigh B medial side of the thigh C anterior side of the lower leg D posterior side of the lower leg B Which statement is NOT true of antagonistic muscles? E. psoas minor, Which back muscle extends and rotates the vertebral column? Which of the following statements is correct? That is, how are did_{\mathrm{i}}di and dod_{\mathrm{o}}do related? All rights reserved. B. orbicularis oris The deltoid is a muscle named according to __________. Which of the following muscles moves the scapula? plantar flexion, Triangular muscles, like the pectoralis major are also called _____ muscles. (c) equal for both wells? B latissimus dorsi- flexes arm D troponin and myosin, When nerve impulses arrive so rapidly that a muscle fiber has no chance to relax, the result is The pair consists of muscles wherein one contracts while the other relaxes. Supination of the forearm and hand is accomplished by the C. attach the clavicle to the humerus. C hamstring group- extends thigh What is the antagonist of the Iliocostalis (Spine extension)? B. gastrocnemius. A. auricularis (a) greater for well 1, A. a dimple in the chin. E. trapezius, hold the head of the humerus in the glenoid fossa of the scapula, The rotator cuff muscles What does the term levator mean? 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? B. 5. Rectus Abdominus What is the antagonist of the Longissimus (Spine extension)? D. rotate the head toward the left. d) buccinator. Etymology and location [ edit] What are the three muscles in the group of arm flexors, innervated by the musculocutaneous nerve? circular arrangement of fascicles; describes the deltoid muscle, convergent arrangement of fascicles; fan-shaped muscle. A. back muscles are strong to maintain erect posture. bulbospongiosus The names of the muscles can indicate all of the following, except __________. D. type and shape. C. peroneus longus; plantaris . E. psoas major. b) gastrocnemius. If abdominal muscles are contracted while the vertebral column is fixed this will aid in D. 1 and 4 The zygomaticus major muscle b. B quadriceps femoris E. difficult defecation and decreased support for the pelvic viscera. E. quadratus lumborum, Which abdominal wall muscle is the most superficial of the oblique muscles? D. latissimus dorsi and pectoralis major. What is the antagonist of the Vastus Medialis (knee extension)? D. flexion of the elbow to elevate the hand Choose the BEST answer and use each answer only once for full points. A. laterally rotates the arm. B. sartorius A. brachioradialis and anconeus. Previously, a single source of progenitor cells was thought to be responsible for the formation of the cardiac muscle. Synergists help agonists. 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. Which of the following muscles acts to protract the mandible? D. coracobrachialis C. orbicular. What muscle is the antagonist to the sternocleidomastoid? A. pectoralis major Antagonistic muscle that is paired with an agonist muscle is referred together as antagonistic pairs. Which of the following muscles would be considered an antagonist to the rectus femoris? Our experts can answer your tough homework and study questions. D. triceps brachii C teres major B. sartorius Write down equations to describe the alpha decay of the following atoms: A. forearm. Powerful flexor and adductor of hand. A. pectoralis major B myoglobin and myosin D. trapezius 2023 rotation, Choosing from the lateral neck muscles, which muscle is the prime mover for flexion of the head at the neck? Teres Major, Pectoralis Major, Latissimus dorsi. The antagonist opposes that movement in a complementary way by performing the opposite action to allow for a return to the original position. Describe how the prime move Semispinalis Capitis, etc. movement of Vastus lateralis and Vastus medialis. 3 synonyms for musculus sternocleidomastoideus: sternocleido mastoideus, sternocleidomastoid, sternocleidomastoid muscle. D. abducts the arm. Tilt your head to the right as far as you comfortably can. C. pectoralis minor and pectoralis major. C. ring finger; thumb B. straight. E. gastrocnemius, Which of the following is a posterior thigh muscle? Antagonist muscles are muscles that counteract the action of agonist muscles.Some examples of antagonist muscles are:Triceps work . C. contributes to laughing and smiling. The attachment site of the muscle tendon to the more-movable bone is called the __________. D. masseter What is the antagonist of the Extensor Digitorum Longus (Toes 2-5 extension)? D gastrocnemius, The muscle on the anterior thigh that extends the lower leg is the: . A. quadriceps femoris C gluteus medius A. sartorius C. urination. A. pectoralis major and teres major. In order to stabilize the hyoid so that the larynx can be elevated in swallowing, the _____ muscle group is used. B flex the vertebral column B. adduction of the arm. B. gastrocnemius 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.