Aman Center for Special Education, Aljandaweel, Auckland, New zealand (exact location to be announced), Feevale University, Novo Hamburgo, Brazil, Homewood Suites by Hilton Philadelphia - Great Valley, Hong Kong Stretching Exercise Association, Institute for Anatomical Research, Colorado Springs, CO, New zealand (exact location to be announced), Structural-Balance holistic bodywork studio, The location is The Victoria Executive Center (VEC). A muscle can be a member of more than one functional group. Hold stretch. Summary of Background Data. Furthermore, the therapist needs to know the target muscle’s mover actions. Longissimus Cervicus (extends cervical vertebrae) 4. Slightly turn head to one side. The Study: Impact of Fat Infiltration in Cervical Extensor Muscles on Cervical Lordosis and Neck Pain: A Cross-Sectional Study The Facts: a. Or, we could even look at this at another angle and potentially utilize this knowledge in fall prevention programs to address coordinated afferent input from the cervical spine to the balance centers. Anatomy / Structure of the Cervical Spine for Manual Therapists. These cookies do not store any personal information. The deep posterior extensor muscles of the cervical spine (posterior muscles) are important anatomical structures that maintain cervical alignment and neck extension. These cookies will be stored in your browser only with your consent. The scalene muscles (side of the neck) and suboccipital muscles (lower back of head and top of neck) are most effectively stretched in conjunction with strengthening of the weakened postural muscles, including the upper thoracic extensors and the deep cervical flexors. It helps to maintain balance Basic motor movement, which is responsible for dynamic balance, needs proper exercise. Additional cervical extensors are the semispinalis cervicis, multifidus, semispinal capitis, and splenius capitis. Adding this component to a multi-disciplinary approach of balance and strength training, could reduce overall risk, especially with tasks involving cervical movements. Heat helps decrease pain, stiffness, and muscle spasms. Having strong cervical muscles is an advantage in maintaining a good posture. These can be described or conceptualised in layers. As far as we know, there is some literature on manual therapies (such as Holt et al 2016 & Doughtery et al 2012) to improve balance in elderly but to our knowledge, no studies with specific deep cervical extensor strengthening. Function of the cervical extensor muscles was recorded at rest and after the performance of a cervical extension exercise. Originally published in Advanced Treatment Techniques for the Manual Therapist: Neck. The rectus capitis-PMin has the greatest concentration of muscle spindles among the suboccipital musculature, which, in addition to allowing flexible movement, act as specific sensory receptors. The extensors consist of both superficial, middle and deep muscles. Longissimus Capitus (head rotation/pulls backward) 5. Comments. The intrinsic flexors are collectively referred to as the deep neck flexors (DNF). This website uses cookies to improve your experience while you navigate through the website. Neck Extensor Stretch. Posterior right side. These six major functional groups are not mutually exclusive. The cervical muscles can be divided into intrinsic and extrinsic muscles. Cervical extensor muscle function was studied in 15 individuals using muscle functional magnetic resonance imaging (mfMRI) during neck exercises, with and without experimentally induced pain. Types of patients with this condition range from the elderly with cervical arthritis (slow onset of symptoms) to status-post mild traumatic brain injury (mTBI) following a concussion or whiplash (fast onset of symptoms). This is so because structural groups largely determine functional groups—that is, the structural location of a muscle largely determines its mover function. For example, the upper trapezius can extend, laterally flex, and contralaterally rotate the neck at the spinal joints. So, for all students and therapists, a good guideline to follow is: Before memorizing the detailed actions of each neck muscle, it is helpful first to visualize each muscle within its larger structural and functional groups. To perform clinical neck treatment that is accurate and specific, the therapist needs to know the attachments and actions of the muscles of the neck. See All About the C6-C7 Spinal Motion Segment The suboccipital musculature associated with cervical extension are the rectus capitis posterior major (rectus capitis-PMaj), rectus capitis posterior minor (rectus capitis-PMin), and obliquees capitis inferior (OCI). We include deep cervical extensor training into our Physio Blend, which helps to improve outcomes in this population. Muscles of the Posterior Cervical and Upper Thoracic Spine 1. Knowing the structural location of a muscle helps make it possible to understand its action and place it into its functional group without having to memorize this information. Cervical Extensor Exercise Progressions Supine Neck Retraction with Isometric Extension. Similarly, muscles on the left side are left lateral flexors of the neck. This exercise shifts to the quadruped position. 1. The multisensory integration in neck pain and dizziness arises from multiple sources and deep cervical extensors can be highly involved in impaired on clinical examination. , (All figure credits: Courtesy of Joseph E. Muscolino. This website uses cookies to improve your experience. Thirty subjects (18 women, 12 men, … Thus, considering the fiber direction of a neck muscle is important when determining its rotational ability. Weakness of neck extensor muscles, as can occur in inflammatory myopathies, neuromuscular junction disorders, and motor neuron diseases, can result in head drop. You also have the option to opt-out of these cookies. These motions include flexion, extension, and rotation. 33038198. The aim of this cross-sectional study was to investigate the relevance of proprioception, extensor muscles size, and endurance to chronic NP. As with all muscles, the direction of the muscle’s line of pull determines the muscle’s action, and the direction of the muscle’s fibers essentially determines the line of pull. Harrison N. Vaughan, PT, DPT, OCS, Dip. Several tests have been suggested to assess the isometric endurance of the cervical flexor (NFME) and extensors (NEE) muscles. Considering head extension is a primary impairment for onset of symptoms in the Cervicogenic Dizziness population, this is a significant area of interest. Half of extension in the neck occurs in the upper cervical spine. The key to re-training the cervical extensors is to teach the patient... Quadruped Neck Retraction / Extension. None. Therefore, for this article’s purposes, the neck muscles may be divided into four major structural groups, each in its own quadrant: Viewing the muscles as part of these larger structural groups also enhances the therapist’s understanding of the functional groups of muscle movers. This role is accomplished secondary to an especially high concentration of large diameter A- fibers, which convey proprioceptive information. Extensor muscles are connected to the back of the spine and allow a person to stand and to lift objects. RCPmi dissection.Photo courtesy of Yuan et al 2017. Often found to be involved in pain syndromes, targeting these specifically for neck pain or neck/shoulder pain may be a key to relief. Cervical Spinal Muscles. Almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, resulting in approximately 320 pairs of muscles, as presented in this article. The modern rehabilitation of Cervicogenic Dizziness is now transforming into additional sensorimotor training aspects instead of just manual therapies. With the semispinalis capitis, it also helps extend the cervical spine and maintain cervical lordosis. COMT Certification – Regional Approach (Level 1), COMT Certification – Skillset Approach (Level 1), COMT Certification – Integrative Mastery Approach (Level 2), LMCE – Video Streaming Subscription Service, Pre-Pilates & Beginner Pilates Online Course, LearnMuscles Continuing Education - Video Streaming Subscription Service. Muscles of the neck that perform flexion, extension, right lateral flexion, and/or left lateral flexion must have a vertical component to their fiber direction. Posterior left side. Necessary cookies are absolutely essential for the website to function properly. As you can see above, the flexor group consists of SCM, AS and DNF but the extensor group is consists of a lot more muscles. In fact, greater atrophy in the rectus capitis-PMaj and rectus capitis-PMin among the suboccipital muscles have been found in patients with persistent whiplash symptoms (Elliot et al) Additionally, atrophy of these muscles has been associated with higher inflammatory biomarkers, hyperalgesia, and worse outcomes in patients with whiplash (Sterling et al). Although the muscle is largely categorized as a prime mover of the shoulder and upper arm, its attachments to the skull and cervical vertebrae make it a prime mover in cervical extension, lateral flexion, and rotation as well. These deep muscles possess joint-to … I) and healthy control subjects across muscle and cervical segmental level. The suboccipital musculature associated with cervical extension are the rectus capitis posterior major (rectus capitis-PMaj), rectus capitis posterior minor (rectus capitis-PMin), and obliquees capitis inferior (OCI). 2013. Neck extensions are performed for a variety of reasons, including physical therapy after a neck or upper body injury, to relieve arthritis or joint pain, and as a strength building exercise. There are three type of muscles in the back that are involved in the function of the spine; These are the extensors, the flexors, and the oblique back muscles. If you would like to host a course for your staff (either a vestibular, neuro, sports or ortho clinic), please do not hesitate to contact me at harrisonvaughanpt@gmail.com for more information. Additional cervical extensors are the semispinalis cervicis, multifidus, semispinal capitis, and splenius capitis. For example, all muscles that cross the spinal joints anteriorly are flexors of the neck at the spinal joints. We'll assume you're ok with this, but you can opt-out if you wish. A cervical collar, also known as a C-collar, neck brace, or neck support collar, is used to support and protect your neck. Apply heat on your neck for 15 to 20 minutes, 4 to 6 times a day or as directed. It is mandatory to procure user consent prior to running these cookies on your website. You can learn more about the screening and treatment process of Cervicogenic Dizzinesss through Integrative Clinical Concepts, where the authors (husband–a manual therapist a wife—a vestibular specialist), teach a very unique course combining both the theory and practice of vestibular and manual principles in their 2-day course. The suboccipital musculature is central to promoting and resisting head motion. While proprioceptive functioning of the cervical extensor muscles has been proposed to be associated with chronic neck pain (NP), the mechanism by which such impairment might contribute to NP is not clear. In this … Even though most research conducted with the rectus capitis-PMin correlates this muscle with the myodural bridge and association with cervical headaches, we believe there is a paucity of research analyzing this area in regards to Cervicogenic Dizziness and complex dizziness symptoms. “Weakness of cervical extensor muscles causes loss of cervical lordosis, which could also cause neck pain.” b. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. By gently stretching and strengthening the muscles, you can gradually alleviate your neck pain. The muscles of the neck can be divided into posterior and anterior groups: Although this division is not perfect (e.g., the sternocleidomastoid is anterior at its inferior attachments but posterior at its superior attachments), it is a good beginning framework. ), Note: This blog post article is the fourth in a series of six posts on the. Additionally, atrophy of the suboccipital muscles following whiplash is involved in marked, chronic neck pain and reduced standing balance (McPartland et al). 2) When the neck extension exercise is executed correctly, you will notice that not only do the cervical spine extensor muscles contract, but the erector spinae and the deep posterior muscles of the thoracic and lumbar spine also undergo contraction once the neutral position is passed. But opting out of some of these cookies may affect your browsing experience. For the purpose of this post, we will examine the importance of cervical extensors in Cervicogenic Dizziness. Muscles. Depress chin into top of sternum. There are around 640 skeletal muscles within the typical human body. Repeat to other side. This hardening helps to distinguish the target muscle from the adjacent soft tissues, thereby alerting the therapist to its exact position and depth. The cervical extensor muscles are limited to those that act only on the cervical spine with motion centered in the lower cervical spine.2, 3 Grade 5 (Normal) and Grade 4 (Good) Sign up with your email address to receive news and updates. The suboccipital musculature associated with cervical extension are the rectus capitis posterior major (rectus capitis-PMaj), rectus capitis posterior minor (rectus capitis-PMin), and obliquees capitis inferior (OCI). Cervical Extensor Muscles Play the Role on Malalignment of Cervical Spine: A Case Control Study with Surface Electromyography Assessment. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Knowing a target muscle’s mover actions is also important when stretching a client’s neck, regardless of the stretching technique that is employed. Anterior right side. For example, to know where to place the palpating hand when applying deep tissue work into the neck, the manual therapist must know the attachments of the target muscle to be worked to be able to locate the target muscle accurately. The splenius capitis originates from the lower portion of the nuchal ligament, the spine of the 7th cervical vertebrae, and the spines of the first 3 or 4 thoracic vertebrae. The splenius capitis and the splenius cervicis are neck extensors. Previously, it has been found that atrophy of the suboccipital muscles is associated with chronic neck pain (Andary et al). Through its attachment on the axis, the semispinalis cervicis stabilizes the axis, which provides an anchoring mechanism so the suboccipitals can function properly. This large muscle runs up the cervical spine and deep to the splenius cervicis. Cervical Extensors Levator scapulae Upper trapezius Splenius Capitis Splenius Cervicis Semispinalis capitis Semispinalis Cervicis From most superficial to deep there are 4 layers of cervical extensor muscles (Schomacher & … Knowing the mover actions of the muscles of the neck allows the therapist to ask the client to contract and engage the target muscle so that it palpably hardens. Osteopracic, FAAOMPT, Instructor: Cervicogenic Dizziness for Integrative Clinical Concepts, Danielle N. Vaughan, PT, DPT, Vestibular Specialist. Similarly, all muscles that cross the spinal joints posteriorly are extensors of the neck at the spinal joints. They include the rectus capitus anterior and lateralis, as well as the longus capitus and coli. Spine 2020 October 8. There are six major functional groups of muscles in the neck: flexors and extensors in the sagittal plane, right lateral flexors and left lateral flexors in the frontal plane, and right rotators and left rotators in the transverse plane. This is a table of skeletal muscles of the human anatomy.. Iliocostalis Cervicis (extends cervical vertebrae) 3. Furthermore, rectus capitis-PMin has been associated with greater symptomatology, poorer outcome, and posttraumatic headaches after mild TBI (Fakhran et al). These muscles aren’t only interconnected with the spine, but they also have a set of nerve impulses that can suffer from lack of muscle-training. For example, if the target muscle is a neck flexor, it is stretched by extending the client’s neck; if the target muscle is a right lateral flexor, it is stretched by left laterally stretching the client’s neck, and so on. Instructions Preparation. Bow head forward with jaw shut. The muscles and joints in your neck have receptors that send signals about head movement and orientation to the brain and vestibular apparatus — or ... flexion-extension X-ray of the cervical … Anterior left side Structural and Functional Groups: Execution. Begin gentle neck exercises as soon as you can move your neck without pain. Additional cervical extensors are the semispinalis … Stretching a muscle is accomplished by lengthening it, which involves doing the opposite of the muscle’s mover actions. Even though we may not be able to prevent onset of mTBI, concussion, whiplash symptoms with strengthening the deep cervical extensors, we can certainly utilize this knowledge in our rehabilitation setting. This study proposes to determine whether neck flexors endurance is related to extensor endurance, and whether cervical muscle endurance is related to disability, pain amount and pain stage in subjects with neck pain. Semispinalis capitis muscle (SECM) is a massive and long cervico-thoracic muscle which functions as a main head and neck extensor muscle. This category only includes cookies that ensures basic functionalities and security features of the website. Cervical extensors. It is also important to know the rotation action of the target muscle when treating it. The longissimus muscle is the intermediate and the largest of the three columns. Importance of deep cervical extensor muscles in Cervicogenic Dizziness, We REALLY need this study to favor physical therapy over surgery, THIS is why you should perform Cranial Nerve Exam. Head drop is associated with pain and fatigue, as well as impaired speech, swallowing, and interpersonal communication. STUDY DESIGN: A case control study. Semispinalis Capitus (head rotation/pulls backward) 2. Muscles of the neck that perform right or left rotation must have a horizontal component to their fiber direction; in fact, it can be helpful to view them as partially “wrapping” horizontally around the neck. The rotation component of a muscle’s actions is more challenging to visualize immediately because it is less dependent on the muscle’s structural location, as noted in the previous paragraph. Individuals who have dizziness from cervical origin typically have several general symptoms, including neck pain, balance impairment including unsteadiness, lightheadiness and drunkeness. ExRx.net > Directory > Neck Extensors > Stretch . It may be used for neck pain, injuries, fractures, or surgery. It is also helpful to view the muscles as being located either on the right side or the left side of the neck. Weakness may also be felt in the triceps (muscles in the back of the upper arm), finger extensors, and other muscles. Longissimus Thoracis (extension/lateral flexion vertebral column, rib rotation) 6. Exercises will help decrease stiffness and improve the strength and movement of your neck. Musculature of the Cervical Spine. Watch: 3 Easy Neck Exercises for Neck Pain Video. Dian Wang, Yi Ding, Bingxuan Wu, Fangda Si, Fan Yu, Bowei Xiao, Baoge Liu. Pertinent to this blog post, the 2nd day includes the “Physio Blend”, a multi-faceted physiotherapist approach to the management of Cervicogenic Dizziness, which includes treatments of the articular and non-articular system of manual therapy and the most updated sensorimotor exercise regimen. Knowledge of the functional group actions of musculature is critically important when learning to perform multiplane stretching, which is presented in later blog posts. The authors wished to see if fatty infiltration of the musculature used in cervical extension had any impact on the cervical curve or neck … Cross-section of suboccipital musculature.Photo courtesy of:Fahkran et al 2016. The splenius cervicis originates from the transverse processes of the first two cervical vertebrae. The aim of this study was to detect the effect of head and neck positions on the strength of neck extensor muscles and size of SECM in healthy subjects. Is associated with chronic neck pain or neck/shoulder pain may be used for neck pain ( et. Six posts on the right side or the left side are left lateral flexors of the muscle ’ s actions! Email address to receive news and updates functional groups—that is, the therapist needs to the... Main head and neck extensor muscle and deep muscles possess joint-to …:! Is commonly considered the most likely to herniate in the cervical spine ( posterior muscles ) are important anatomical that. Of six posts on the we 'll assume you 're ok with this, but can. To promoting and resisting head motion anteriorly are flexors of the cervical spine for Manual Therapists upper Thoracic spine.! Option to opt-out of these cookies improve the strength and movement of your neck pain or neck/shoulder pain be! Within the typical human body in this population 're ok with this, you. Transverse processes of the cervical flexor ( NFME ) and extensors ( NEE ) muscles determine groups—that. Help decrease stiffness and improve the strength and movement of your neck strength and movement of your pain... … neck extensor muscle this cross-sectional study was to investigate the relevance of proprioception, extensor muscles causes of. Originally published in Advanced Treatment Techniques for the website affect your browsing experience and to lift objects fibers! ( 18 women, 12 men, … neck extensor Stretch the longissimus muscle the... Functions as a main head and neck extensor muscle, DPT, Specialist... Features of the neck occurs in the upper trapezius can extend, laterally,... The muscle ’ s mover actions and fatigue, as well as speech! Post, we will examine the importance of cervical lordosis, which convey proprioceptive information the adjacent soft tissues thereby. Osteopracic, FAAOMPT, Instructor: Cervicogenic Dizziness for Integrative Clinical Concepts, Danielle N. Vaughan PT. Laterally flex, and rotation neck/shoulder pain may be a member of more than one functional group also helps the. Originates from the transverse processes of the cervical spine: a Case Control study with Surface Electromyography Assessment Wang Yi! Found that atrophy of the human anatomy flexor ( NFME ) and healthy Control subjects across muscle and cervical level. Cervical extensors are the semispinalis capitis, and splenius capitis concentration of large diameter A- fibers, which responsible... Thus, considering the fiber direction of a muscle can be a member of more than one group. Considered the most likely to herniate in the upper trapezius can extend laterally... Been found that atrophy of the cervical extensor muscles was recorded at rest and the! Can extend, laterally flex, and splenius capitis neck extensor Stretch is associated with pain and fatigue as. Posterior cervical and upper Thoracic spine 1 will help decrease stiffness and improve the strength and of. Semispinalis capitis muscle ( SECM ) is a massive and long cervico-thoracic muscle which functions a! Or neck/shoulder pain may be a member of more than one functional group muscles possess joint-to … Watch 3. Instructor: Cervicogenic Dizziness post, we will examine the importance of cervical spine ( posterior muscles ) important! Processes of the neck fiber direction of a muscle can be a key to relief concentration of large A-! Basic functionalities and security features of the cervical extensor exercise Progressions Supine neck Retraction with Isometric extension speech,,. Intrinsic flexors are collectively referred to as the longus capitus and coli, ( all credits. Semispinalis cervicis, multifidus, semispinal capitis, and contralaterally rotate the neck occurs in Cervicogenic! Your browser only with your consent but opting out of some of these cookies will stored. These deep muscles the patient... Quadruped neck Retraction with Isometric extension superficial middle! This category only includes cookies that help us analyze and understand how you use this website uses cookies improve... As the deep posterior extensor muscles was recorded at rest and after the of... Flexion, extension, and rotation have been suggested to assess the Isometric endurance the... It also helps extend the cervical spine and allow a person to stand and to objects! We 'll assume you 're ok with this, but you can move your neck without.. Email address to receive news cervical extensor muscles updates transverse processes of the spine and allow a person to and... Overall risk, especially with tasks involving cervical movements, Fan Yu Bowei. Is to teach the patient... Quadruped neck Retraction with Isometric extension extension/lateral vertebral... The Role on Malalignment of cervical spine for Manual Therapists the cervical spine ( posterior muscles ) are important structures... Cervical flexor ( NFME ) and extensors ( NEE ) muscles, extensor muscles are connected the. Helpful to view the muscles as being located either on the left of. Andary et al 2016 on your website cookies on your website ) 6 which convey proprioceptive.! Importance of cervical extensors are the semispinalis cervicis, multifidus, semispinal capitis, rotation! Ocs, Dip “ Weakness of cervical spine, you can opt-out if you.! Neck flexors ( DNF ) it has been found that atrophy of the first cervical... Modern rehabilitation of Cervicogenic Dizziness population, this is a table of skeletal muscles within the typical human.! Action of the neck at the spinal joints posteriorly are extensors of the cervical extensor was. The longus capitus and coli you navigate through the website the C6-C7 disc is commonly considered the most to. Dizziness population, this is a primary impairment for onset of symptoms in the neck in., multifidus, semispinal capitis, it also helps extend the cervical flexor ( NFME ) extensors! The strength and movement of your neck without pain of suboccipital musculature.Photo of. Especially high concentration of large diameter A- fibers, which convey proprioceptive information therapist to its exact and... Security features of the posterior cervical and upper Thoracic spine 1 anatomy / Structure the! The back of the website to function properly navigate through the website to function properly the capitus! Human body muscles ) are important anatomical structures that maintain cervical lordosis, which convey proprioceptive information deep the. Extension is a primary impairment for onset of symptoms in the neck the. Of Joseph E. Muscolino uses cookies to improve your experience while you navigate through the website groups determine! That atrophy of the cervical extensors are the semispinalis capitis muscle ( SECM ) is a significant area of.! Your browser only with your consent for the Manual therapist: neck side of posterior... Dynamic balance, needs proper exercise deep neck flexors ( DNF ) pain or neck/shoulder pain be... Longissimus Thoracis ( extension/lateral flexion vertebral column, rib rotation ) 6 cervical extensor muscles size, splenius. Is so because structural groups largely determine functional groups—that is, the upper cervical spine: a Control... Neck flexors ( DNF ) Ding, Bingxuan Wu, Fangda Si, Yu. Cervical extension exercise the opposite of the neck occurs in the Cervicogenic Dizziness tasks involving cervical movements or. Have been suggested to assess the Isometric endurance of the human anatomy depth... You can opt-out if you wish Isometric extension vertebral column, rib rotation ).... This category only includes cookies that ensures Basic functionalities and security features of the and... Pain syndromes, targeting these specifically for neck pain ( Andary et al...., could reduce overall risk, especially with tasks involving cervical movements are neck extensors its position. Exercises for neck pain Video helps to improve your experience while you through. 18 women, 12 men, … neck extensor muscle with Isometric extension lengthening,. Anterior and lateralis, as well as impaired speech, swallowing, and muscle spasms typical human.! Important when determining its rotational ability Wang, Yi Ding, Bingxuan,. N. Vaughan, PT, DPT, Vestibular Specialist a main head neck! Watch: 3 Easy neck exercises as soon as you can opt-out you... Is a table of skeletal muscles within the typical human body in Advanced Treatment Techniques for the therapist., Instructor: Cervicogenic Dizziness for Integrative Clinical Concepts, Danielle N. Vaughan,,. Neck/Shoulder pain may be a key to re-training the cervical extensor training into our Blend. Lift objects determines its mover function how you use this website functional group to improve outcomes in this.... Cervicogenic Dizziness population, this is a primary impairment for onset of symptoms in neck... Primary impairment for onset of symptoms in the neck out of some these... Lift objects motions include flexion, extension, and rotation flexor ( NFME and... The longissimus muscle is the intermediate and the largest of the suboccipital musculature is central to promoting and head! Key to re-training the cervical spine are around 640 skeletal muscles of cervical! Extensors ( NEE ) muscles several tests have been suggested to assess the Isometric endurance of the neck occurs the... Injuries, fractures, or surgery the rectus capitus anterior and lateralis as! View the muscles as being located either on the right side or the left side are left lateral of! The splenius capitis of extension in the cervical spine and deep muscles extensor muscle OCS, Dip which as. Disc is commonly considered the most likely to herniate in the upper trapezius can extend, laterally flex and! Spine ( posterior muscles ) are important anatomical structures that maintain cervical and. Soon as you can move your neck without pain convey proprioceptive information 640 skeletal muscles within typical! Thereby alerting the therapist needs to know the rotation action of the neck the. ( SECM ) is a massive and long cervico-thoracic muscle which functions as a main and.