A ATP A. D. lateral rotation of the arm. - The more a muscle shortens, the more power it generates. a. buccinator b. temporalis c. masseter d. orbicularis oris. What is the antagonist of the Flexor Digitorum Longus (Toe 2-5 flexion)? C. Diaphragm. C. anterior thigh compartment. Place your left hand on the right side of your head. rotation, Choosing from the lateral neck muscles, which muscle is the prime mover for flexion of the head at the neck? D. sphincter urethrae and sphincter ani muscles. C. extensor digitorum longus A. levator scapulae Muscles that elevate the jaw and close the mouth include the B. fingers. The sternal head originates from the manubrium of sternum, while the clavicular head from the medial thirdof the clavicle. What is the antagonist of the Tibialis Anterior (Inversion)? Match the muscle with its correct origin and insertion: Temporalis, Origin: temporal fossa E. flexor carpi radialis. D. causes crow's feet wrinkles. The cervical plexus will have a honeycomb appearance of hypoechoic nodules super-cial to the brachial plexus within the groove between the inter-scalene muscles as shown in Fig. Create flashcards for FREE and quiz yourself with an interactive flipper. Reading time: 5 minutes. D tetanus/extended action potential, Which statement is NOT true of responses to excercise? B. belly. - Muscle fibers running in parallel arrangement generate more power. E. attach at the distal end of the humerus, A tennis player complains of severe pain in the shoulder when serving or returning an overhead volley. 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. (a) greater for well 1, A. does most of the work in "sit-ups." B. attach the arm to the thorax. - trapezius action on the atlanto-occipital joint; second-class lever 10. B. tibialis anterior a) Biceps femoris b) Gluteus medius c) Tensor fasciae latae d) Adductor longus e) Rectus femoris. All other trademarks and copyrights are the property of their respective owners. D. class IV lever system. b. D. brachialis E. gastrocnemius, Which of the following is a posterior thigh muscle? E. trapezius, hold the head of the humerus in the glenoid fossa of the scapula, The rotator cuff muscles - biceps brachii at the elbow; third-class lever A muscle that assists the muscle primarily responsible for a given action is a(n) __________. B. gastrocnemius. (a) the erector spinae (b) the rhomboid group (c) the splenius group (d) the scalenes (e) the transversospinalis. B. soleus e) buccinator. Antonyms for sternocleidomastoid (muscle). D the frontal lobes of the cerebellum initiate muscle contraction, The direct energy source for muscle contraction is: Nelissen, in Principles of Gender-Specific Medicine (Third Edition), 2017 37.3.1 Focal Dystonia. Which muscle fixes the clavicle or elevates the first rib? Which of the following muscles contracts during forced expiration? A. interossei palmaris However, the second heart field has recently been identified as an additional source of myocardial progenitor cells. What anterolateral neck muscle will cause lateral neck flexion? What is the antagonist of the Sternocleidomastoid (Neck flexion)? C hamstring group- extends thigh Which of the following muscles helps to open the mouth (depress the mandible)? Teres Major, Pectoralis Major, Latissimus dorsi. B. contributes to pouting. a. teres major b. infraspinatus c. latissimus dorsi d. subscapularis, Holds other joints in position during contraction a) Acetylcholine b) Antagonist muscle c) Synergist muscle d) Fixator muscle, Which of the following muscles is an important elevator of the scapula? At the same time, itflexes the lower cervical column causing an overall bending of the neck towards the chest. D. insertion. Which of the following muscles is responsible for elevating the eyebrows? The. A. quadriceps femoris A a sustained contraction D. masseter C. vastus lateralis. A. supinate the forearm. The thenar muscles are involved in controlling the ____; the hypothenar muscles control the ____. movement of the masseter and the temporalis. A quadriceps femoris Repeat on other side. B. longissimus capitis B. crow's feet wrinkles. bones serve as levers. A. rectus abdominis C. peroneus longus; plantaris A. nasalis 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. stress fractures of the fibula 2 to 5 cm distal to the knee. Which muscles insert upon the scapula and attach the scapula to the thorax? a) orbicularis oris b) platysma c) orbicularis oculi d) sternocleidomastoid. . The gluteus maximus Previously, a single source of progenitor cells was thought to be responsible for the formation of the cardiac muscle. D. extensor carpi radialis brevis B. soleus D. gracilis Facial muscles are unusual in that they What is the antagonist of the Extensor Digitorum (finger extension)? F. Register now - the location of the muscle C. opponens pollicis. Their antagonists are the _____ muscles. Organisms 6. E. raises the eyelid. The pair consists of muscles wherein one contracts while the other relaxes. E. gracilis, Which of the following is the longest muscle in the body? This can be muscle tissue, fascia, tendons and ligaments. A. function and orientation. E. quadratus lumborum, Which abdominal wall muscle is the most superficial of the oblique muscles? C. body. Draw one line under the simple subject. B hemoglobin in RBCs brings oxygen to muscles All rights reserved. D. causes crow's feet wrinkles. E. raises the eyelid. In an antagonistic muscle pair, as one muscle contracts, the other muscle relaxes or lengthens. E. zygomaticus. E. flexes the shoulder. With respect to skeletal muscles, proprioceptors are important for: B carbon dioxide is removed rapidly by incerased respiration D. extensor hallicus longus The muscle that is. B. accounts for a sprinter's stance. 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. When muscles are named for the movement they produce, one can find action words in their name. D creatine phosphate/creatine, In cell respiration in muscles, the product that is a waste product is: What effect does a magnetic field have on a charge moving perpendicular to the field? D increase the blood supply within muscles, The muscle on the lateral surface of the shoulder that abducts the arm is the D. subclavius b) orbicularis oris. D. rhombohedral. E. psoas minor, Which muscle flexes the vertebral column? B. sartorius Match the word to its correct meaning: Deltoid. D positive/negative, The effect of acetylcholine on the sarcolemma is to make it: What is the relationship between these muscles when bowing your head? What is the antagonist of the Biceps Brachii (Flexion of forearm)? The sternocleidomastoid muscle is named according to its bony attachments (sternum, clavicle, and mastoid process).. E. extend and laterally flex the neck, Which of the following muscles does NOT extend the neck? 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. . The sternocleidomastoid muscle (also known as sternomastoid ) is found in the neck. B creatine phosphate E. calcaneal; peroneal, Which of the following muscles is used when walking on your tiptoes? B masseter Anterocollis is a type of cervical dystonia characterized by simultaneous and repetitive antagonist muscles contractions, resulting in abnormal neck flexion. - a synergist - an antagonist - a fixator - a prime mover - an antagonist. If so, where does it form an image? A. levator scapulae The major abductor muscle of the upper arm is the __________. The radial pulse can be felt just lateral to the tendon of the E. palm. A. rectus abdominis c) sternocleidomastoid. Fixators hold joints in place, so movement does not occur. E. stylohyoid. movement of Vastus lateralis and Vastus medialis. D. extensor hallicus longus 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. What is the function of Sternocleidomastoid? A. tibialis anterior Which of the following is not a muscle primarily involved in the breathing process? C. a wonderful smile. C. trapezius. Kenhub. hope you all enjoy the vid!enjoy the video and reflect on the mod. What muscle is directly lateral to the sternohyoid? C supply carbon dioxide Author: What is the antagonist of the Internal Oblique (Trunk flexion)? D depolarization is stimulated by cholinesterase, In the sliding filament mechanism of muscle contraction, the proteins that inhibit contractions are: A increased heart rate pumps more blood to muscles Biceps Brachii, Brachialis, Brachioradialis. choose all that apply. Synergists help agonists. E. linea alba. 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. Which of the following muscles is named for its location? C. triceps brachii Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster. d) Stylohoid. Read more. Which muscle is known as the "boxer's muscle" for its ability to move the arm horizontally, as in throwing a punch? a) frontalis. Choose the letter that best answers the question or completes the statement. Discover the muscles of the face, neck, and back. What is the antagonist of the Brachialis (Flexion of forearm)? 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. D. the stationary end of the muscle. B. contributes to pouting. What is the antagonist of the Extensor Carpi Radialis Longus (wrist extension)? A. tibialis anterior B. external abdominal oblique A. puckers the mouth for kissing. A. quadriceps femoris A. sacral B. thoracic C. cervical D. cranial, Which muscle acts as an agonist with the teres minor during lateral rotation of the shoulder? Which of the following muscles is a flexor of the thigh? d. It pushes the charge perpendicularly to the field and the charge's velocity. In an antagonistic muscle pair as one muscle contracts the other muscle relaxes or lengthens. What type of motor is known as a constant-speed motor? (3) left lateral rectus anterior scalene, Eversion and plantar flexion is accomplished by muscles in the ______ compartment. What is the antagonist of the Triceps Brachii (extension of forearm)? What is the antagonist of the Scalenes (Neck extension)? D. causes crow's feet wrinkles. Expiration is aided by the abdominal muscles and internal intercostal muscles. A. crossing your legs A. joint represents the fulcrum point. B quadriceps femoris It has no effect. external anal sphincter C. external abdominal oblique. lateral flexion C gluteus medius a) Deltoid b) Pec Major c) Bicep Brachii d) Supraspinatus. Which of the following muscles flexes the wrist? The abdominal muscle that has its origin at the pubic crest and symphysis pubis is the Muscles and Movement | Antagonist Pairs of Muscles Siebert Science 16.4K subscribers Subscribe 5.5K 159K views 2 years ago Anatomy & Physiology CORRECTION: The origins of the deltoid are the. A. levator scapulae could be wrong, but im. D. subclavius E. psoas major. c) Orbicularis oculi. B. 5. C. medially rotates the arm. eversion A end lines of a sarcomere, and actin filaments are attached A breathing has stopped and there is no oxygen in the blood 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. Focal dystonia, also known as "writer's cramp" or "pianist's cramp" is a painless motor control disorder involving sustained muscular contraction. B trapezius- raises shoulders Dimitrios Mytilinaios MD, PhD pectoralis major B semispinalis capitis and sternocleidomastoid C twitch/tetanus A sartorius Sternocleidomastoid, Scalenes What is the antagonist of the Splenius Capitus (Neck extension)? I would honestly say that Kenhub cut my study time in half. b. C. gluteus maximus. D. trapezius B tetanus A. puckers the mouth for kissing. The depressor anguli oris muscle E. raises the eyelid. D. medial thigh compartment. A. fix the scapula in place. Describe how the prime move Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius. A. quadriceps femoris Flexor Digitorum Superficialis, Flexor Digitorum Profundus. Muscles that work like this are called antagonistic pairs. Which of these muscles is not the muscle of inspiration? E. biceps femoris. B. palatopharyngeus C. pectoralis minor E. supinator and brachialis. The prime mover for flexion of the thigh is the __________ muscle. D. is used in the knee-jerk reflex. B. A raise the shoulder pectoralis major C. serratus anterior Which of the following muscles acts to protract the mandible? E. difficult defecation and decreased support for the pelvic viscera. Describe what would happen to the surface temperature of a star if its radius doubled but there was no change in the stars luminosity. A. flexor carpi ulnaris. C. interspinales E. gracilis, Of the following muscles of the thigh, which one is NOT part of the quadriceps group? b) masseter. The major movement produced during quiet breathing is accomplished by the A. pectoralis major B. sartorius deltoid; at a right angle to A. tibialis anterior D. subclavius 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. The anconeus works with the triceps brachii to splenius capitis C. adductor magnus Which of the following is not an intrinsic muscle of the head? 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? An agonist (prime mover) b. Synergists. Which has an insertion on the mandible? b) 241Am{ }^{241} \mathrm{Am}241Am. D. retinaculum. Identify the muscle that performs the following function: Paired muscle that extends vertebral column, maintains erect posture, and laterally flexes the vertebral column. 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. B. origin and insertion. D. adductors. Identify metals and alloys that have strengths comparable to those of reinforced plastics. (a) Auricular. B. contributes to pouting. The more stationary attachment of a muscle to a bone is called the: Which statement is NOT true of gross muscle structure? (c) equal for both wells? E. function and size, The brachioradialis is named for its List the muscles of the Thenar eminence and their function. Match the muscle's name with what generally describes one or more of its features: Muscle name that describes size. E. calcaneal tendon, Which of the following muscles is found in the lateral compartment of the leg? Which of the following muscles is involved in forced expiration? D. flexor digitorum profundus 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? B. thumb; little finger The press release said that mayor Watkins will be at the ground-breaking ceremony. 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. D. flexor digitorum profundus 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. Choose the BEST answer and use each answer only once for full points. D. extensor carpi radialis longus. Sternocleidomastoid (SCM) muscle pain in the neck typically results from muscle tension or performing repeated motions. Contracting the trapezius muscle would B. force or pull is applied by the bone. 2 and 4 a) biceps brachii. What is the antagonist of the Gastrocnemius (Plantarflexion)? The antagonist of the splenius capitis muscle is the Sternocleidomastoid. B hamstring group i think it's the rectus capi lateralus. C. biceps femoris C. occipitofrontalis C. rectus femoris. D. causes crow's feet wrinkles. The extensor digitorum muscle is an example of a __________ muscle. A. rhomboideus major What is the antagonist of the Lower Portion Trapezius (Depress scapula)? Most flexor muscles are located on the ______ aspect of the body, most extensors are located ______. What is this muscle called? A. brachioradialis and anconeus. D. extensor hallucis longus; flexor hallucis longus D. levator anguli oris Muscles Muscles. C. inflammation of the gastrocnemius. Semitendinosus, Semimembranosus, Biceps Femoris. D. Pectoralis minor. E. lever is a pivot point. Gluteus Medius, Gluteus Minimus, Tensor Fasciae Latae. The sternocleidomastoid muscle (SCM) divides the neck area into anterior and posterior triangles. Getting their priceless heirlooms back was not enough for the many victims of the thief; they wanted the thief to serve time in prison. A student (m = 63 kg) falls freely from rest and strikes the ground. a) Zygomaticus major b) Digastric c) Sternohyoid d) Depressor anguli oris. C. interspinales C tibialis anterior, The function of the tibial is anterior is to: D. teres major 2. a) temporalis. D. tensor fasciae latae C. triceps brachii and supinator. B less permeable to potassium ions D. extensor hallicus longus Sternocleidomastoid muscle: want to learn more about it? B. serratus anterior A deltoid C. vastus lateralis pennate arrangement of fascicles; spindle-shaped muscle Identify the muscle that performs the following function: Paired muscle that flexes head and rotates the head to the side. C. Diaphragm. Stabilizes the wrist during finger extension. D myoglobin in muscles, Which statement is NOT true of oxygen and muscles? Sternocleidomastoid: a) used in chewing b) muscle of head or neck c) mandible d) cranium e) atlas f) muscle that move upper extremity g) suicide bags h) epiphysis i) cutaneous j) muscle that move lower extremity. D. subclavius D. internal intercostals. The sternocleidomastoid is the prime mover and the splenius cervicis is the fixator. B. childbirth. Laura M. Kok, .Rob G.H.H. C. extensor digitorum longus When the triceps brachii contracts the elbow extends. B. coracobrachialis When the internal intercostals and the abdominals engage to bring the ribcage back into its starting position, try to keep the ribcage and lungs as expanded as possible even as you exhale the breath. bulbospongiosus (a) greater for well 1, The antagonist to the sternocleidomastoid is the splenius capitis. What are the muscles of mastication? posterior . A myoglobin in muscles stores some oxygen D. multifidus holds it in place) so that the prime mover can act more efficiently. C. psoas major and iliacus. a) Temporalis b) Frontalis c) Sternocleidomastoid d) Risorius. 75 Free NCLEX Questions - c/o BrilliantNurse., David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Intro to Sociology Final Exam Study Guide. D. extensor hallicus longus B pectoralis major - Multipennate muscles do not produce much power because the fibers run in many directions. a group of muscles that work together to cause movement. 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. Agonists are the prime movers for an action. Sphincters have a __________ arrangement of fascicles. Which muscle dorsiflexes and inverts the foot? Name the following: A contraction in which muscles produce tension but do not shorten. B. contributes to pouting. D. C teres major What is the antagonist of the Vastus Medialis (knee extension)? A. genioglossus A. biceps femoris. E. The. The sternocleidomastoid is innervated by the accessory nerve . E. quadratus lumborum, difficult defecation and decreased support for the pelvic viscera. (b) greater for well 2, or B circulate more blood to muscles D there is too little oxygen in the lungs, In the neuromuscular junction, the membrane of the muscle fiber is called the: a) diaphragm b) sternocleidomastoid c) pectoralis major d) scalenes. A. erector spinae A flex the leg C. extensor carpi radialis brevis. Materials and methods: In this cross-sectional study masticatory efficiency parameters (number of particles, mean diameter and . B. longissimus capitis a. A. quadriceps femoris rhomboideus muscles C. orbicularis oculi C. medial rotation of the arm. What is the antagonist of the Flexor Carpi Ulnaris (wrist flexion)? three, moose, plane. The names of muscles often indicate the action of the muscle. adduction Rectus Abdominus, External oblique, Internal oblique. movement of semimembranosus and semitendinosus. E. blood accumulation around the gastrocnemius. A. rectus abdominis. Which of the following muscles divides the neck into two triangles? What muscle(s) serves as an antagonist to the biceps? B. adductor pollicis A synergist c. A fixator d. An antagonist. inversion Rectus Abdominus, External oblique, Internal oblique What is the antagonist of the Spinalis (Spine extension)? Read more. The term "shin splints" is applied to When both sternocleidomastoid muscles contract, the head is flexed. A. D plantar flex the foot, Which muscle is NOT paired with its correct function? What is the antagonist of the Rectus Femoris (knee extension)? A. Sternocleidomastoid. Rectus Abdominus What is the antagonist of the Longissimus (Spine extension)? A. back muscles are strong to maintain erect posture. In the following sentence, strike through each error in capitalization and write the correct form above it. A external intercostals and internal intercostals B. difficult defecation. The muscle(s) of mastication include which of the following? D. decreased support for the pelvic viscera. 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. deglutition muscles. A. up. B. serratus anterior load is the weight of the object. C. interspinales D. unipennate coccygeus C. flexor carpi radialis E. teres major. D. gluteus minimus. B. diaphragm. Which of the following muscles extends the forearm and has its insertion on the ulna? Each joint is surrounded by soft tissue. E. soleus, Which of the following is inserted on the calcaneus by the Achilles tendon? E. quadratus lumborum, Which abdominal wall muscle originates on the iliac crest and the lower lumbar vertebrae? List the muscle(s) that are antagonistic to the gastrocnemius. sternocleidomastoid muscle on the ultrasound and attempt to identify the anterior and middle scalene muscles. E. thigh and hip adductors. The attachment site of the muscle tendon to the more-movable bone is called the __________. D. gluteus maximus. C buccinator E. swallowing. A)trapezius B)sternocleidomastoid C)semispinalis D)platysma. Match the following muscle action with its appropriate term: D. deltoid. C. extensor pollicis longus. a. platysma b. occipitalis c. sternohyoid d. mylohyoid. C. supraspinatus A muscle that assists the prime mover muscle. transverse; parallel to the long axis. brevis; long C tibialis anterior Sternocleidomastoid is the most superficial and largest muscle in the front portion of the neck. B) The sternocleidomastoid is the prime mover, and the sple nius cervicis is the synergist. C. class III lever system. D sarcoplasmic reticulum, In a muscle fiber, the Z lines are the: D. transversus abdominis Become a Study.com member to unlock this answer! Which of the following muscles has superior, middle and inferior sections? A during polarization there is a positive charge outside 2023 and grab your free ultimate anatomy study guide! Agonists are the prime movers for an action. The pelvic diaphragm consists of what two muscles? The muscle shape that has the capacity to shorten to the greatest degree is 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. C. vastus lateralis A. stylohyoid and procerus. Also, the muscle works with the scalene muscles in the neck during forced inspiration while breathing. C. tibialis anterior E. gracilis, Which muscle extends the four lateral toes? C biceps brachii B sacrospinalis group Damage to which of the following muscles would hinder inspiration? What is the antagonist of the Extensor Carpi Ulnaris (wrist extension)? Their antagonists are the muscles. Which of the rotator cuff muscles is probably damaged? E. quadratus lumborum, Which abdominal wall muscle inserts on the 10th to 12th ribs and rectus sheath? in this case, it's the upper trapezius and another muscle in the front of the neck called sternocleidomastoid. The trapezius has many attachment points, extending from the skull and vertebral column to the shoulder girdle . Which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? C myoglobin in blood plasma E. back muscles are similar in strength to the back muscles of cattle. C myosin filaments C. orbicularis oris B. parallel arrangement of fascicles; characteristic of sphincter muscles B negative/neutral An exception to this generalization is the extensor-flexor musculature of the ___. C. abductor pollicis longus The trapezius muscle is a large, triangular, paired muscle located on the posterior aspect of the neck and thorax. What are attachments for these muscles, and their functions? Antagonistic pairs or pairs of muscles that work opposite one another can also contract at the same time and potentially cause injuries. D. to the nose. . E. A. puckers the mouth for kissing. Etymology and location [ edit] B. sartorius Called also antagonist. Does your neck feel stiff or achy when you wake up in the morning? What are the functions of the sternocleidomastoid muscle? B. longissimus capitis Neck Elongation. . B sacromere Which one of those muscles is considered the prime mover? The trapezius muscle runs from the back and sides of your neck to your shoulder blades.