Muscles of the neck posterior
- Jun 29, 2023 · The trapezius muscle is a large muscle in your back. It starts at the back of your head and neck, extends across your shoulders, and down the middle of your back, forming a trapezoid. Also known as traps, the trapezius muscles play an important role in posture. They move the shoulders, lift arms out to the side, and protect the neck and spine. You will feel the movement originate there. This muscle divides the neck into anterior and posterior triangles when viewed from the side (Figure 6). Figure 6. Posterior and Lateral Views of the Neck. The superficial and deep muscles of the neck are responsible for moving the head, cervical vertebrae, and scapulas.The cervical vertebrae serve as the origination and insertion points for a host of muscles that support but also enable movement of the head and neck. The musculature of the neck is comprised of a number of different muscle groups. They can be divided into anterior, lateral and posterior groups based on their position in the neck. The head, attached to the top of the vertebral column, is balanced, moved, and rotated by the neck muscles (Table 5). When these muscles act unilaterally, the head rotates. When they contract bilaterally, the head flexes or extends. The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. pokemon go vivillon map The classification that is based on the location of the neck muscles is more precise and explains a bit more than just the words "anterior" or "posterior." Our article will review the neck muscles according to this classification. Classification of neck muscles according to their locationJul 5, 2022 · Neck muscles consist of 3 main groups of muscles: anterior, lateral, & posterior muscle groups, based on their position in the neck. The muscles of the neck are further sub divided into more specific groups based on a number of determinants; including depth, precise location, & function. Aug 2, 2017 · 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. It is also helpful to view the muscles as being located either on the right side or ... This MRI neck axial cross sectional anatomy tool is absolutely free to use. Use the mouse scroll wheel to move the images up and down alternatively use the tiny arrows (>>) on both side of the image to move the images. The cervical vertebrae serve as the origination and insertion points for a host of muscles that support but also enable movement of the head and neck. The musculature of the neck is comprised of a number of different muscle groups. They can be divided into anterior, lateral and posterior groups based on their position in the neck. Jan 22, 2013 · The neck muscles include the scalenes, which attach the cervical vertebrae to the thoracic cage, and the sternocleidomastoid, which attaches the skull to the thoracic cage. These muscles move the head and neck. There are also muscles that act on the hyoid and laryngeal skeleton (sternohyoid, sternothyroid, thyrohyoid, omohyoid, stylohyoid) and ... map of london englandmap key west Jan 22, 2013 · The neck muscles include the scalenes, which attach the cervical vertebrae to the thoracic cage, and the sternocleidomastoid, which attaches the skull to the thoracic cage. These muscles move the head and neck. There are also muscles that act on the hyoid and laryngeal skeleton (sternohyoid, sternothyroid, thyrohyoid, omohyoid, stylohyoid) and ... The rectus capitis posterior minor is the most medial of the suboccipital muscles. There is a connective tissue bridge between this muscle and the dura mater (outer membrane of the meninges) – which may play a role in cervicogenic headaches. Attachments: Originates from the posterior tubercle (a rudimentary spinous process) of the C1 vertebra ...The rectus capitis posterior minor is the most medial of the suboccipital muscles. There is a connective tissue bridge between this muscle and the dura mater (outer membrane of the meninges) – which may play a role in cervicogenic headaches. Attachments: Originates from the posterior tubercle (a rudimentary spinous process) of the C1 vertebra ... golden pig The motion of the muscles of the neck are divided into four categories: rotation, lateral flexion, flexion, and hyperextension.Sep 15, 2022 · The sternocleidomastoids (SCMs) are superficially located neck muscles that play an important role in tilting your head and turning your neck, as well as other movements. The 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. The sternocleidomastoid muscle has a ... sanitary beltdonotos a muscle of inspiration; an important landmark of the neck; it is located between the subclavian vein and the subclavian artery; the roots of the brachial plexus pass posterior to it; the phrenic nerve crosses its anterior surface. aryepiglottic. apex (superior part) of the arytenoid cartilage. epiglottis.The muscles of the neck are present in four main groups. The suboccipital muscles act to rotate the head and extend the neck.Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively. abc en ingles Aug 2, 2017 · 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. It is also helpful to view the muscles as being located either on the right side or ... the secret life of walter mitty 1947 The posterior triangle of the neck forms the posterior compartment of the neck and is separated from the anterior triangle by the sternocleidomastoid muscle.The triangles of the neck are surgically focused, first described from early dissection-based anatomical studies which predated cross-sectional anatomical description based on imaging (see deep spaces of the neck).Muscular Triangle. Submental Triangle. Posterior Triangle. Occipital Triangle. Subclavian/Supraclavicular. The neck is limited [2] : superiorly by the inferior border of the mandible. anteriorly by the midline of the neck. inferiorly by the superior border of the clavicle.The muscles of the neck can be divided into 3 groups: anterior, lateral, and posterior neck muscles. Each of the groups is subdivided according to function and the precise location of the muscles. The muscles of the neck are mainly responsible for the movements of the head (i.e., extension, flexion, lateral flexion-extension, and rotation ...The upper part of trapezius arises from the medial part of the superior nuchal line, and from the nuchal ligament. Its fibers fan out downward and laterally, to insert on the spine of the scapula, the acromion, and the lateral third of the clavicle. The trapezius muscles largely define the shape and outline of the neck, both from behind (here ... english to.chinese Apr 23, 2022 · The s ternocleidomastoid muscle divides the neck into the two major neck triangles; the anterior triangle and the posterior triangle of the neck, each of them containing a few subdivisions. The triangles of the neck are important because of their contents, as they house all the neck structures, including glands, nerves, vessels and lymph nodes. The neck muscles are responsible for the functional movement of the head in the cervical spine region in all directions. The muscles of the neck are comprised of a complex number of different muscle groups. They can be subdivided into anterior (front), lateral (sides), and posterior (back) groups based on their position in the neck.This is an important muscle that attaches to your top four cervical vertebrae. It runs down the sides of your neck to attach to the scapula at the other end. This muscle is important for lifting your shoulder blades, bending your neck each way, and even rotating your head around.These muscles give the sides of the neck their shape. Although anchored in the neck, their primary functions are to move the shoulder blades and support the arms. In the front of the neck, the ... Mar 12, 2021 · Citation, DOI, disclosures and article data. The infrahyoid muscles or strap muscles are a group of four paired muscles in the anterior neck below the hyoid bone, within the muscular triangle. They are responsible for depressing the hyoid during swallowing. These muscles can be remembered by the mnemonic "TOSS". • Arteries – Brachiocephalic, left – Common Carotid, left – External Carotid – Internal Carotid – Subclavian, leftThe neck muscles are responsible for the functional movement of the head in the cervical spine region in all directions. The muscles of the neck are comprised of a complex number of different muscle groups. They can be subdivided into anterior (front), lateral (sides), and posterior (back) groups based on their position in the neck. aniversariotales from the crypt demon knight cast Apr 23, 2022 · The s ternocleidomastoid muscle divides the neck into the two major neck triangles; the anterior triangle and the posterior triangle of the neck, each of them containing a few subdivisions. The triangles of the neck are important because of their contents, as they house all the neck structures, including glands, nerves, vessels and lymph nodes. Jun 7, 2022 · This is an important muscle that attaches to your top four cervical vertebrae. It runs down the sides of your neck to attach to the scapula at the other end. This muscle is important for lifting your shoulder blades, bending your neck each way, and even rotating your head around. The posterior triangle refers to a bilateral anatomic region that is on the posterolateral aspect of the neck. Distinct anatomic borders define the posterior triangle of the neck. The anterior border forms by the posterior aspect of the sternocleidomastoid muscle. The anterior border of the trapezius delineates the posterior border.Show details. Muscles of the neck, lateral view. Henry Gray (1918) Anatomy of the Human Body. Revised by Warren H. Lewis. Public domain. From: Anatomy, Head and Neck, Posterior Neck Triangle. Jul 6, 2023 · Occipital Part of the back and base of the cranium that encloses the foramen magnum. Skull: Anatomy. triangle. Supraclavicular triangle. The muscles of the neck can be primarily divided into 3 groups: Anterior neck. Neck The part of a human or animal body connecting the head to the rest of the body. Fig. 37.7 Supra- and infrahyoid muscles. Fig. 37.8 Supra- and infrahyoid muscles. Muscle Facts (III) Fig. 37.9 Deep muscles of the neck. Fig. 37.10 Deep muscles of the neck. Arteries & Veins of the Neck. Fig. 37.11 Arteries of the neck Left lateral view. The structures of the neck are primarily supplied by the external carotid artery (anterior ...Sep 5, 2023 · The posterior scalene muscles, located on the lower sides of the neck, ipsilaterally bend the neck to the side and elevate the second rib. The splenius capitis and splenius cervicis also assist in neck side bending. Similar to Muscles Of The Neck 1 (20) Posterior triangle of the neck. Man B Paudyal • 11.5K views. posteriortriangleoftheneck-pdf. RathiNivedhana • 1 view. Muscles of neck. final presentation. Zubair Khalid • 704 views. MUSCLES OF BACK.pdf. Ömer aslankan • 25 views.Hyoid bone Sources + Show all Neck spaces The content of the neck is grouped into 4 neck spaces, called the compartments. Vertebral compartment: contains cervical vertebrae and postural muscles. Visceral compartment: contains glands ( thyroid, parathyroid, and thymus ), the larynx, pharynx and trachea.The neck muscles include the scalenes, which attach the cervical vertebrae to the thoracic cage, and the sternocleidomastoid, which attaches the skull to the thoracic cage. These muscles move the head and neck. There are also muscles that act on the hyoid and laryngeal skeleton (sternohyoid, sternothyroid, thyrohyoid, omohyoid, stylohyoid) and ...Annotated Bone. Sagittal C+ portal. venous phase. Coronal C+ portal. venous phase. Axial bone. window. Labeled and unlabelled images of a contrast CT of the neck. phone number for cvs hr The muscles of the neck are present in four main groups. The suboccipital muscles act to rotate the head and extend the neck. Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively. The phrenic nerve is crucial in its role innervating the diaphragm while other branches of the plexus provide sensation and supply the muscles of the neck. Some of these muscles are involved in positioning the head while others are responsible for manipulating the pharynx via the hyoid bone. Aside from the hyoid bone, skeletal support in the ...Muscular Triangle. Submental Triangle. Posterior Triangle. Occipital Triangle. Subclavian/Supraclavicular. The neck is limited [2] : superiorly by the inferior border of the mandible. anteriorly by the midline of the neck. inferiorly by the superior border of the clavicle. Muscles of the neck attach to the skull, hyoid bone, clavicles and the sternum. They bound the two major neck triangles; anterior and posterior. Anterior triangle is defined by the anterior border of the sternocleidomastoid muscle, inferior edge of the mandible and the midline of the neck. cross multiply calculator Posterior neck/back muscles — Quiz Information. This is an online quiz called Posterior neck/back muscles. You can use it as Posterior neck/back muscles practice, completely free to play.The cervical vertebral skeleton serves as an attachment for a large number of muscles that create a complex set of moving connections between the skull, vertebrae, scapulae, clavicles, sternum, and ribs. Figure 1: Anterior view of the cervical musculature. Figure 2: Lateral view of the cervical musculature. Sternocleidomastoid – This pair of ...Muscular Triangle. Submental Triangle. Posterior Triangle. Occipital Triangle. Subclavian/Supraclavicular. The neck is limited [2] : superiorly by the inferior border of the mandible. anteriorly by the midline of the neck. inferiorly by the superior border of the clavicle. loldolls When they contract bilaterally, the head flexes or extends. The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. In addition, both muscles working together are the flexors of the head. Place your fingers on both sides of the neck and turn your head to the left and to the right.Neck muscles consist of 3 main groups of muscles: anterior, lateral, & posterior muscle groups, based on their position in the neck. The muscles of the neck are further sub divided into more specific groups based on a number of determinants; including depth, precise location, & function.Sep 8, 2023 · The muscles of the neck are muscles that cover the area of the neck. These muscles are ... The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven. The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral (shoulder) girdle which connects the upper limb of the appendicular skeleton to the ...Sep 11, 2023 · Synonyms: none. The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven. The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral (shoulder) girdle which connects the upper limb of the appendicular ... The phrenic nerve is crucial in its role innervating the diaphragm while other branches of the plexus provide sensation and supply the muscles of the neck. Some of these muscles are involved in positioning the head while others are responsible for manipulating the pharynx via the hyoid bone. Aside from the hyoid bone, skeletal support in the ... houston to los angelesreality transurfing Jul 30, 2022 · The head, attached to the top of the vertebral column, is balanced, moved, and rotated by the neck muscles (Table 5). When these muscles act unilaterally, the head rotates. When they contract bilaterally, the head flexes or extends. The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. Stabilizes the neck along with other muscles. Scalenus medius: The middle scalene is the largest and longest in the Scalene group of the lateral neck muscles. Origin: Posterior tubercles of the transverse processes C3-C7 vertebra Transverse process of the axis and sometimes also of the atlas vertebra Insertion: the Superior surface of the first rib chickadee sound Dec 12, 2022 · This is an online quiz called Muscles of Anterior/Posterior Triangles of Neck. You can use it as Muscles of Anterior/Posterior Triangles of Neck practice, completely free to play. Currently Most Played. Mountain Ranges of Europe. US States Southwest. A significant muscle in the posterior triangle region is the omohyoid muscle. It is split into two bellies by a tendon. The inferior belly crosses the posterior triangle, travelling in an supero-medial direction, and splitting the triangle into two. The muscle then crosses underneath the SCM to enter the anterior triangle of the neck.Apr 21, 2023 · The posterior triangle of the neck forms the posterior compartment of the neck and is separated from the anterior triangle by the sternocleidomastoid muscle.The triangles of the neck are surgically focused, first described from early dissection-based anatomical studies which predated cross-sectional anatomical description based on imaging (see deep spaces of the neck). The muscles of the neck are present in four main groups. The suboccipital muscles act to rotate the head and extend the neck.Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively. springhill suites by marriott island park yellowstone The platysma is a wide and flat sheet-like muscle located in the anterior compartment of the neck right below the skin. It is surrounded by the superficial cervical fascia. The platysma is a paired thin superficial neck muscle that extends between the upper aspect of the thorax and shoulders and the lower aspect of the face.Now, the neck is divided into the anterior and posterior triangles mainly by the borders of the sternocleidomastoid, or SCM, and trapezius muscles. Now, the SCM is a broad, strap-like muscle which has a sternal and a clavicular head. The sternal head is rounded and its inferior portion originates from the manubrium of the sternum, while the ... Review Anatomy of the fasciae and fascial spaces of the maxillofacial and the anterior neck regions. Kitamura S. Anat Sci Int. 2018 Jan; 93(1):1-13. Epub 2017 Feb 28.The head, attached to the top of the vertebral column, is balanced, moved, and rotated by the neck muscles (Table 5). When these muscles act unilaterally, the head rotates. When they contract bilaterally, the head flexes or extends. The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. nw my chartsanaullah Front view of neck. Opens the jaw when the masseter and the temporalis are relaxed. The digastric muscle (also digastricus) (named digastric as it has two 'bellies') is a bilaterally paired suprahyoid muscle located under the jaw. Its posterior belly is attached to the mastoid notch of temporal bone, and its anterior belly is attached to the ...As the name implies, the sternocleidomastoid muscle has an origin at the clavicle (cleido) and at the sternum. It inserts on the mastoid process of the temporal bone. Acting together, the two sternocleidomastoid muscles flex the head at the neck, whereas the upper portions of the two trapezius muscles extend the head at the neck.Jun 7, 2022 · This is an important muscle that attaches to your top four cervical vertebrae. It runs down the sides of your neck to attach to the scapula at the other end. This muscle is important for lifting your shoulder blades, bending your neck each way, and even rotating your head around. i origins The scapula, also known as the shoulder blade, is a flat triangular bone located at the back of the trunk and resides over the posterior surface of ribs two to seven. The scapula, along with the clavicle and the manubrium of the sternum, make up the pectoral (shoulder) girdle which connects the upper limb of the appendicular skeleton to the ...The skeleton of the neck consists of a vertebral unit and a visceral unit ( Figure 5-1 ). In addition, bones of the upper limb girdle, inferior aspect of the skull, and the superior aspect of the thoracic skeleton help provide attachment for muscles of the neck. Figure 5-1 Skeleton of cervical region. A, anterior view.A significant muscle in the posterior triangle region is the omohyoid muscle. It is split into two bellies by a tendon. The inferior belly crosses the posterior triangle, travelling in an supero-medial direction, and splitting the triangle into two. The muscle then crosses underneath the SCM to enter the anterior triangle of the neck.abducts, intorts, and depress eye. right medial, superior, and inferior recti (superior and inferior oblique muscles are the synergists) 2. 1. oblique, inferior. orbital surface of maxilla, lateral to lacrimal groove. laterally onto eyeball, deep to lateral rectus, by a short flat tendon. ophthalmic artery. pokemon ex Fig. 37.7 Supra- and infrahyoid muscles. Fig. 37.8 Supra- and infrahyoid muscles. Muscle Facts (III) Fig. 37.9 Deep muscles of the neck. Fig. 37.10 Deep muscles of the neck. Arteries & Veins of the Neck. Fig. 37.11 Arteries of the neck Left lateral view. The structures of the neck are primarily supplied by the external carotid artery (anterior ... The infrahyoid muscles are a group of four muscles that are positioned inferiorly to the hyoid bone in the neck. They are classified into two groups. Superficial muscles: omohyoid and sternohyoid. Deep muscles: sternothyroid and thyrohyoid muscles. Sternohyoid: The sternohyoid muscle is located within the superficial plane. Sep 6, 2023 · You can find more of my anatomy games in the Anatomy Playlist. This is an online quiz for anatomy students named : Muscles of Head and Neck Orbicularis oculi,Zygomaticus,Frontalis,anatomy,muscle,Orbic santa cruz library abducts, intorts, and depress eye. right medial, superior, and inferior recti (superior and inferior oblique muscles are the synergists) 2. 1. oblique, inferior. orbital surface of maxilla, lateral to lacrimal groove. laterally onto eyeball, deep to lateral rectus, by a short flat tendon. ophthalmic artery.Cervical spondylosis, also called arthritis of the neck, is the age-related slow degeneration of your disks and joints in your cervical spine. Cervical spinal cord injury. A cervical spinal cord injury is an injury to your cervical vertebrae. Most spinal cord injuries are the result of a sudden, traumatic blow to the vertebrae.Gross anatomy. The hyoid bone is a U-shaped bone that is held in place by the strap muscles of the anterior triangle of the neck. The bone has a central body (forming the center of the “U”) with two smaller protruding structures on the superior surface (lesser horns) and two larger bony protrusions from the body (greater horns). indian sexy videos The numerous motor components of the cervical plexus mainly innervate the muscles of the neck and upper back. Amongst these components is the ansa cervicalis: a loop formed by contributions from C1-C3 which gives off branches to most of the infrahyoid muscles. The phrenic nerve is an important branch of the cervical plexus. It is formed at the ...The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. In addition, both muscles working together are the flexors of the head. Place your fingers on both sides of the neck and turn your head to the left and to the right. You will feel the movement originate there.The posterior triangle refers to a bilateral anatomic region that is on the posterolateral aspect of the neck. Distinct anatomic borders define the posterior triangle of the neck. The anterior border forms by the posterior aspect of the sternocleidomastoid muscle. The anterior border of the trapezius delineates the posterior border.Feb 24, 2023 · The major muscle that laterally flexes and rotates the head is the sternocleidomastoid. In addition, both muscles working together are the flexors of the head. Place your fingers on both sides of the neck and turn your head to the left and to the right. You will feel the movement originate there. What this muscle does is it draws the hyoid bone down. It depresses the hyoid. Those are the muscles of the posterior triangle of the neck. While we’re here, you can see these muscles here which lie in front of the vertebra. These muscles are the prevertebral muscles. I’m going to just quickly show you the prevertebral and lateral muscles ... coverttrackstat pearls Gross anatomy. The hyoid bone is a U-shaped bone that is held in place by the strap muscles of the anterior triangle of the neck. The bone has a central body (forming the center of the “U”) with two smaller protruding structures on the superior surface (lesser horns) and two larger bony protrusions from the body (greater horns).The posterior triangle refers to a bilateral anatomic region that is on the posterolateral aspect of the neck. Distinct anatomic borders define the posterior triangle of the neck. The anterior border forms by the posterior aspect of the sternocleidomastoid muscle. The anterior border of the trapezius delineates the posterior border. 368 broadway The muscles of the neck are present in four main groups. The suboccipital muscles act to rotate the head and extend the neck.Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively.Step forward with your right foot and flex it toward you. Engage the core muscles and bend at the waist, reaching your hands toward the right toes. Stop when you feel a stretch. You can place your ...The muscles of the neck are present in four main groups. The suboccipital muscles act to rotate the head and extend the neck.Rectus capitis posterior major and Rectus capitis posterior minor attach the inferior nuchal line of the occiput to the C2 and C1 vertebrae respectively. kyrgyzstan map The classification that is based on the location of the neck muscles is more precise and explains a bit more than just the words "anterior" or "posterior." Our article will review the neck muscles according to this classification. Classification of neck muscles according to their location Posterior neck/back muscles — Quiz Information. This is an online quiz called Posterior neck/back muscles. You can use it as Posterior neck/back muscles practice, completely free to play.Hyoid bone Sources + Show all Neck spaces The content of the neck is grouped into 4 neck spaces, called the compartments. Vertebral compartment: contains cervical vertebrae and postural muscles. Visceral compartment: contains glands ( thyroid, parathyroid, and thymus ), the larynx, pharynx and trachea.Sep 6, 2023 · You can find more of my anatomy games in the Anatomy Playlist. This is an online quiz for anatomy students named : Muscles of Head and Neck Orbicularis oculi,Zygomaticus,Frontalis,anatomy,muscle,Orbic Hyoid bone Sources + Show all Neck spaces The content of the neck is grouped into 4 neck spaces, called the compartments. Vertebral compartment: contains cervical vertebrae and postural muscles. Visceral compartment: contains glands ( thyroid, parathyroid, and thymus ), the larynx, pharynx and trachea.The stylohyoid muscle is a thin muscular strip, which is located superiorly to the posterior belly of the digastric muscle. Attachments: Arises from the styloid process of the temporal bone and attaches to the lateral aspect of the hyoid bone. Actions: Initiates a swallowing action by pulling the hyoid bone in a posterior and superior direction ...Jun 16, 2017 · Muscle spasming of the neck can also occur due to motions and postures of the upper extremity. Humeral motions at the glenohumeral joint require scapular motions at the scapulocostal joint (this is known as scapulohumeral rhythm). Two of the major muscles of the posterior neck, the trapezius and levator scapulae, attach to the scapula and ... park mobile app Posterior neck/back muscles — Quiz Information. This is an online quiz called Posterior neck/back muscles. You can use it as Posterior neck/back muscles practice, completely free to play.Rehabilitation Many muscles of the neck support your head and spine. While they all work together, some have slightly different functions and are more prone to becoming tight. Understanding your neck muscle anatomy can help you identify which muscles affect you when you feel pain or tightness.Sep 5, 2023 · The posterior scalene muscles, located on the lower sides of the neck, ipsilaterally bend the neck to the side and elevate the second rib. The splenius capitis and splenius cervicis also assist in neck side bending.