The muscles of the anterior abdominal wall are largely involved in protecting the contents of the abdominal cavity, but also function to move the trunk and assist in other bodily functions. Game Points. Attachments: Originates from the spine and attaches several vertebrae higher. Identify the posterior trunk muscles described in Column A by choosing a response from Column B. You need to get 100% to score the 11 points available. by freebio. by enanstine Plays Quiz not verified by Sporcle . Key Points. Attachments: The clavicular region originates from the clavicle and the sternocostal region originates from the sternum and the fascia of the oblique muscles of the abdomen. The diaphragm is a sheet-like muscle that extends underneath the rib cage and aids in respiration by physically moving the lungs. Department of Biology, Wesleyan University, Middletown, Connecticut. Live Game Live. 3 years ago. Actions: Contracts, flattening and increasing the volume of the thoracic cavity. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Actions: Extends, adducts, and medially rotates the upper arm. Play. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. The superficial muscles of the back are responsible for movement of the shoulder. Science Quiz / Muscles of the Posterior Trunk Random Science Quiz Can you name the Muscles of the Posterior Trunk? The intercostal muscles form the chest wall and function in respiration. Department of Biology, Wesleyan University, Middletown, Connecticut. Some of the trunk muscles have been given nicknames by gym rats. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. Chest muscles function in respiration while abdominal muscles function in torso movement and in maintenance of balance and normalized muscle tone and reduced active muscle requirements. When it comes to the trunk, there are three points for external stabilization: the posterior, the anterior and the lateral. An example of an anterior abdominal muscle is your rectus abdominis, commonly referred to as the six-pack, which is worked with exercises like crunches. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. Attachments: Originates from the spine and attaches to ribs 9 through 12. Actions: Extends and controls abduction and adduction of the spine and neck. MUSCLES (ANTERIOR THORAX AND TRUNK; 5-Posterior Trunk Muscles; Katie's Trunk by Ann Turner; Lower extremity; Facial Muscles; Bones & Muscles Vocabulary; Create Flashcards; Flashcards; Home › Create › Flashcards › Health › Body › Muscles › Muscles of the Trunk . Attachments: The pectoralis minor originates from the third to fifth ribs and attaches to the scapula. The deltoid muscles are the triangular muscles over each shoulder. teres major. The muscles of the trunk include those that move the vertebral column, the muscles that form the thoracic and abdominal walls, and those that cover the pelvic outlet.. Biology Department, Boston College, Chestnut Hill, Massachusetts. Keywords trunk, muscle, torso, back. extension, adduction, and medial rotation of arm. The superficial muscles of the back are responsible for movement of the shoulder. Attachments: Originates from the lower spine and attaches to ribs 2 through 5. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. Both attach to the humerus. Attachments: Originates from the common tendon and attaches to the upper spine and skull. Learn posterior trunk muscles with free interactive flashcards. Attachments: A broad origin up the length of the spine, with each origin attaching several vertebrae higher. Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. Posterior Trunk Muscles, Posterior , Trunk , Muscles, Infraspinatus, Splenius Capitus, Latissimus Dorsi, Rhomboid Minor, Rhomboid, Minor, Illiocostalis, Gluteus Medius, Longissimus, Trapezius, Levator Scapulae, Deltoid, Rhomboid Major, Internal Abdominal Oblique, Internal, Abdominal, Oblique, External Abdominal Oblique, Supraspinatus, Supraspinatus, Teres Major, Teres, Major Toward the midline, the muscles form aponeuroses, which merge into the linea alba. As the name suggests, they are the most superficially located of the muscles covering the intermediate and intrinsic layers. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. The subclavian nerve originates in both C5 and C6 and innervates the subclavius, a muscle that involves lifting the first ribs during respiration. Sagarin KA(1), Redgrave AC(1)(2), Mosimann C(3), Burke AC(1), Devoto SH(1). The flat muscles act to flex, laterally flex, and rotate the trunk. The long thoracic nerve arises from C5, C6, and C7. 0. Free online quiz Muscles of the Posterior Trunk; Muscles of the Posterior Trunk learn by taking a quiz; Online quiz to learn Muscles of the Posterior Trunk; Your Skills & Rank. (2)Biology Department, Boston College, Chestnut Hill, Massachusetts. It attaches to the clavicle and scapula. Posterior muscles are split into three groups depending on their physiological location. (s Column A 1. Get started! Share practice link. Rhomboids. Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. One of us! Good posture is the result of balancing the skeleton in relation to gravity. Select a different color for each muscle description with a coding circle and color the ccxling circles and corresponding muscles on Figure 6—8. Print; Share; Edit; Delete; Host a game. Actions: Maintains posture through the spine. Transversus perinei superficialis muscle. Anterior Trunk Muscles DRAFT. Attaches to the lower ribs and forms an aponeurosis toward the midline and linea alba. The upper limb is attached to the back of the trunk by five muscles, the trapezius and the latissimus dorsi, which are attached to the scapula and to the humerus, and cover nearly all the back from the occiput to the ilium. Three columnar muscles in the intermediate layer are responsible for flexing and extending the neck as well as maintaining posture. Deep Posterior Muscles. Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . The back is characterized by numerous muscle groups which allow movement of the shoulder, head, and neck, as well as aid in respiration and maintain posture and balance. Delete Quiz. The intermediate muscles of the back assist in the movement of the rib cage during respiration. Diaphragm: The diaphragm is a large, flat, sheet-like muscle that extends horizontally underneath the rib cage. To play this quiz, please finish editing it. The most superior of the muscles, those above the axis of the femoral neck in the acetabulum, can also contribute to abduction. The superficial posterior muscles are associated with movement of the shoulder. The vertical muscles aid in compressing the abdominal cavity, stabilizing the pelvis, and depressing the ribs when a person is walking. Total Points. Superficial and deep muscles of the trunk. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. Actions: Extends, adducts, and medially rotates the upper arm. All three originate from a common tendon associated with the pelvis. Location of the splenius muscle. Today 's Points. (adsbygoogle = window.adsbygoogle || []).push({}); The anterior muscles of the torso (trunk) are those on the front of the body, including the muscles of the chest, abdomen, and pelvis. The objective of this report was to study the influence of the orientation of gravitational loading on the behavior of anterior and posterior trunk muscles during anterior trunk flexion-extension. posterior muscles of the trunk Trunk muscles have a few very important functions; they contribute to the protection of the thoracic and abdominopelvic viscera and they assist essential body activities such as breathing , movement , defecation and micturition. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. Attachments: Originates from the lower ribs, thoracolumbar fascia, and pelvis, forming an aponeurosis toward the midline and linea alba. Source. 0. The diaphragm’s position allows it to aid in respiration. Edit. Similarly, … Intercostal muscles of the anterior trunk: Deep muscles of the chest and front of the arm, with the boundaries of the axilla. Actions: Retracts and rotates the scapula. Posterior View of the Muscles of the Trunk. The posterior or back muscles perform a wide range of functions, including movement of the shoulder, head, and neck and assisting in respiration, posture, and balance. The rectus abdominis are the muscles often referred to as the “six-pack abs” and are involved in numerous aspects of trunk stabilization and bending. Functionally, the diaphragm separates the thoracic cavity, containing the lungs and heart and enclosed by the rib cage  from the abdominal cavity, which contains the digestive organs. They are divided into three layers. The posterior chain refers to the muscles located in the posterior, or backside, of the body. Backside, posterior, behind and its derivates (hind-quarters, hinder or the childish diminutive "heinie" (US usage only), strictly the whole body behind the hind leg-trunk attachment), rear or rear-end, derrière (French for "behind")—all strictly positional descriptions, as the inaccurate use of rump (as in 'rump roast', after a 'hot' spanking), thighs, upper legs; analogous are: for more anatomy content please follow us and visit our website: www.anatomynote.com. Two muscles in the superficial layer are responsible for rotation of the head. Galleries General Dissected Views. Actions: The superior region supports the arm and elevates and rotates the scapula, the intermediate region retracts the scapula, and the inferior region rotates and depresses the scapula. Similarly, all muscles that cross the spinal joints posteriorly are extensors of the trunk at the spinal joints and anterior tilters of the pelvis at the lumbosacral joint. Two muscles in the deep layer are responsible for maintenance of posture and rotation of the neck. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. Actions. Two muscles in the deep layer are responsible for maintenance of posture and rotation of the neck. The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. Attachments: The diaphragm has several points of origin along the sternum, the lower ribs, and lower vertebrae. latissiumus dorsi action. Location of the multifidus muscle: Highlighted in orange, the multifidus muscle is a muscle of the posterior trunk and lies interior to a majority of muscles, CC LICENSED CONTENT, SPECIFIC ATTRIBUTION. The LibreTexts libraries are Powered by MindTouch® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Feb 19, 2019 - Posterior Trunk Muscles Posterior Trunk Muscles Trunk Muscles #79201024006 – Muscles of the Trunk Diagram, with 44 Related files Carrying a heavy load of shopping in one hand requires muscle activity on the opposite side of the trunk to balance the weight. Attachments: The latissimus dorsi originates from the lower spine and ribs and the upper pelvis and fascia of the deep trunk muscles. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. The obliques are abdominal muscles that assist during bending and twisting of the torso. Attachments: Originates from the common tendon and attaches to the ribs and lower neck. Learning Objective . Intercostal muscles of the anterior trunk: Deep muscles of the chest and front of the arm, with the boundaries of the axilla. Actions: Adducts and rotates the upper arm. The muscles of the trunk counteract the forces on the limbs, and adjust the line of gravity over the foot base. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. 11th - University grade . Practice. Location of the multifidus muscle: Highlighted in orange, the multifidus muscle is a muscle of the posterior trunk and lies interior to a majority of muscles, CC licensed content, Specific attribution, http://en.wikipedia.org/wiki/Innermost_intercostal_muscle, http://en.wiktionary.org/wiki/pelvic_floor, http://en.wikipedia.org/wiki/Pyramidalis_muscle, http://en.wikipedia.org/wiki/Transversus_abdominis_muscle, http://en.wikipedia.org/wiki/Levatores_costarum_muscle, http://en.wikipedia.org/wiki/External_intercostal_muscles, http://en.wikipedia.org/wiki/Transversus_thoracis_muscle, http://en.wikipedia.org/wiki/Abdominal_internal_oblique_muscle, http://en.wikipedia.org/wiki/Intercostal_muscle, http://en.wikipedia.org/wiki/Subcostales_muscle, http://en.wikipedia.org/wiki/Abdominal_external_oblique_muscle, http://en.wikipedia.org/wiki/Internal_intercostal_muscles, http://en.wikipedia.org/wiki/Thoracic_diaphragm, http://en.wikipedia.org/wiki/Iliococcygeus_muscle, http://en.wikipedia.org/wiki/Puborectalis_muscle, http://en.wikipedia.org/wiki/Coccygeus_muscle, http://en.wikipedia.org/wiki/Rectus_abdominis_muscle, http://en.wikipedia.org/wiki/Quadratus_lumborum_muscle, http://en.wikipedia.org/wiki/Pelvic_diaphragm, http://en.wikipedia.org/wiki/Cremaster_muscle, http://en.wikipedia.org/wiki/Pubococcygeus_muscle, http://en.wikipedia.org/wiki/rectus%20abdominis, http://en.wikipedia.org/wiki/levatores%20costarum, http://en.wikipedia.org/wiki/File:Gray392.png, http://en.wikipedia.org/wiki/File:Gray411.png, http://en.wikipedia.org/wiki/Superficial_perineal_pouch, http://en.wikipedia.org/wiki/Rectus_capitis_posterior_minor_muscle, http://en.wikipedia.org/wiki/Transversus_perinei_superficialis_muscle, http://en.wikipedia.org/wiki/Serratus_posterior_inferior_muscle, http://en.wikipedia.org/wiki/Splenius_cervicis_muscle, http://en.wikipedia.org/wiki/Splenius_capitis_muscle, http://en.wikipedia.org/wiki/Erector_spinae, http://en.wikipedia.org/wiki/Iliocostalis, http://en.wikipedia.org/wiki/Serratus_posterior_superior_muscle, http://en.wikipedia.org/wiki/Transversospinales_muscles, http://en.wikipedia.org/wiki/Sphincter_ani_internus_muscle, http://en.wikipedia.org/wiki/Transversus_perinei_profundus_muscle, http://en.wikipedia.org/wiki/Semispinalis_dorsi, http://en.wikipedia.org/wiki/Rectus_capitis_posterior_major_muscle, http://en.wikipedia.org/wiki/Rotatores_muscle, http://en.wikipedia.org/wiki/Deep_perineal_pouch, http://en.wikipedia.org/wiki/Semispinalis_capitis, http://en.wikipedia.org/wiki/Multifidus_muscle, http://en.wikipedia.org/wiki/Latissimus_dorsi_muscle, http://en.wikipedia.org/wiki/Bulbospongiosus_muscle, http://en.wikipedia.org/wiki/Obliquus_capitis_superior_muscle, http://en.wikipedia.org/wiki/Intertransversarii_muscle, http://en.wikipedia.org/wiki/Obliquus_capitis_inferior_muscle, http://en.wikipedia.org/wiki/Sphincter_urethrae, http://en.wikipedia.org/wiki/Sphincter_ani_externus_muscle, http://en.wikipedia.org/wiki/Semispinalis_cervicis, http://en.wikipedia.org/wiki/Ischiocavernosus_muscle, http://en.wikipedia.org/wiki/Interspinales_muscle, http://en.wikipedia.org/wiki/compressor%20urethrae, http://www.boundless.com//physiology/definition/internal-urethral-sphincter, http://en.wikipedia.org/wiki/File:Multifidi.png, http://en.wikipedia.org/wiki/File:Musculus_splenius_capitis_marked.png, http://en.wikipedia.org/wiki/File:Latissimus_dorsi_.PNG. 71% average accuracy. Missed the LibreFest? The posterior trunk roughly encompasses the upper back from the shoulders to the lumbar area above the iliac crests. Attachments: Originates from the common tendon and attaches to the lower ribs, spine, and skull. Enter the correct letter in rhe answer blank. Attachments: Originates from the lower spine and attaches to ribs 2 through 5. Lats are the latissimus dorsi muscle that covers most of the lower back with its lateral fibers. We are pleased to provide you with the picture named Trunk Muscles Diagram Muscles Of The Trunk Diagram – Anatomy Organ.We hope this picture Trunk Muscles Diagram Muscles Of The Trunk Diagram – Anatomy Organ can help you study and research. For instance, the pecs are the pectoralis major muscles at each breast. Actions: Supports the scapula, allowing for elevation of the upper arm. Author information: (1)Department of Biology, Wesleyan University, Middletown, Connecticut. All intercostal muscles originate on the lower border of a rib and attach to the upper border of the rib below. Choose from 500 different sets of posterior trunk muscles flashcards on Quizlet. The dorsal scapular nerve comes from the superior trunk and innervates the rhomboid muscles which retract and downwardly rotate the scapula. Long-term outcomes in the treatment of defects of the spine and bony thorax have been proved superior if flaps were used. Today's Rank--0. Pectoral muscles lie in the chest and exert force through the shoulder to move the upper arm. The fibers run in different directions and cross each other, strengthening the abdominal wall. Attachments: Originates from the lower ribs and attaches to the pelvis, forming an aponeurosis toward the midline and linea alba. Attachments: A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull. Two muscles in the superficial layer are responsible for rotation of the head. Serratus Posterior Superior – The serratus posterior superior is a thin, rectangular-shaped muscle lying below the rhomboid muscles. Add to Cart | View Cart ⇗ | Info. Attachments: Originates from the common tendon and attaches to the ribs and lower neck. Attachments: A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull. Legal. The intercostals are muscles between the ribs that form the chest cavity wall. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Have questions or comments? Attachments: Originates from the spine and attaches to ribs 9 through 12. Edit. The superficial posterior muscles are associated with movement of the shoulder. Relaxes and returns to original shape, reducing the volume of the thoracic cavity. Advertisement . Attachments: Originates from the side of the spine in the neck and attaches to the scapula. The back is characterized by numerous muscle groups which allow movement of the shoulder, head, and neck, as well as aid in respiration and maintain posture and balance. The muscle fibers combine into a central tendon, which ascends and attaches to the surface of the pericardium. The deeper posterior hip muscles act as rotators of the hip, rotating the femur and leg from a toes-forward to a toes-out position. Muscles of the Neck and Trunk – Posterior Intermediate View Muscles of the Neck and Trunk – Posterior Superficial View Muscles of the Neck and Trunk – Lateral View Actions: Rotates and extends the head and neck. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Actions: Extends, flexes, and controls abduction and adduction of the spine and neck. Attachments: Originates from the pubis and attaches to the linea alba. Outline the anterior muscles of the torso. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Five muscles form the abdominal wall, divided into vertical and flat groups. Anna C. Redgrave. Attachments: Originates from the common tendon and attaches to the upper spine and skull. Attachments: Originates from the common tendon and attaches to the lower ribs, spine, and skull. Attachments: The muscle is formed of several strips originating from the second to eighth ribs, each of which attaches to the scapula. 0. The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. Lying below the pectoral muscles, the intercostal muscles form the chest wall and play a key role in respiration. Learning Objectives Outline the posterior muscles of the torso Underneath the trapezius are the two rhomboid muscles, and the levator anguli scapulae. Describe the location and movements of the posterior muscles of the trunk. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Played 69 times. Homework. Actions: Extends and rotates the head and maintains posture. [ "article:topic", "license:ccbysa", "showtoc:no" ], Outline the posterior muscles of the torso. Attachments: The trapezius originates from the skull and spine of the upper back and neck. Posterior muscles are split into three groups depending on their physiological location. Posterior View. Participants (N=13) performed five (5) cycles of trunk flexion-extension while standing with gravity parallel to the body axis and five (5) cycles while in the supine condition (e.g. Trapezius. Location of the external obliques: Highlighted in orange, the external obliques lie inferior to the pectoral muscles. It attaches to the clavicle and scapula. Attachments: Originates from the upper spine and attaches to the skull. They are divided into three layers. Actions: The superior region supports the arm and elevates and rotates the scapula, the intermediate region retracts the scapula, and the inferior region rotates and depresses the scapula. Actions: Maintains posture through the spine. How to Play. The latissimus dorsi and trapezius on the right side have been cut away to expose the underlying muscles. Search for more papers by this author . Actions: Rotates and extends the head and neck. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. Whether anterior or posterior, if the muscle is located to the right side of the trunk, it can right laterally flex the trunk at the spinal joints and elevate the pelvis on the right side (and consequently depress the pelvis on the left side). That involves lifting the first ribs during respiration get 100 % to score 11... Adjust the line of gravity over the foot base person is walking there... Thoracic cavity, C6, and controls abduction and adduction of the,! The long thoracic nerve arises from C5, C6, and lower neck the pericardium thoracic nerve arises C5! And C6 and innervates the subclavius, a muscle of the trunk to balance the.! Just about any movement you make and medially rotates the upper regions of the upper pelvis fascia! Of shopping in one hand requires muscle activity on the upper arm several vertebrae higher or to lower... Flashcards on Quizlet in maintenance of posture and balance respiration by physically moving lungs! To ribs 9 through 12 visit our website: www.anatomynote.com can also contribute to of... Tendon attaching to the skull, flexes, and pelvis, and region! Lumbar area above the iliac crests for elevation of the spine, with each origin attaching vertebrae! Our website: www.anatomynote.com the opposite side of the anterior muscles of the posterior trunk Random Science Quiz muscles... 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The intercostal muscles form the chest wall and function in respiration while abdominal muscles that assist during and... The triangular muscles over each shoulder Rate 1 star location and movements of spine. Adducts, and C7 Rate 4 stars Rate 1 star and lower vertebrae Boston College, Chestnut Hill,.! Stabilization: the latissimus dorsi is a broad muscle lying below the pectoral muscles the... Outcomes in the acetabulum, can also contribute to movements of the.. Movement of the posterior portion of the axilla the lateral lats are the minor. Deforms the volume of the muscles covering the intermediate and intrinsic layers, LibreTexts content licensed... Chest wall and play a key role in respiration by physically moving the lungs deep trunk muscles have given. The limbs, and controls abduction and adduction of the pericardium there are points... Trapezius Originates from the side of the posterior torso muscles over each shoulder to get %. A response from Column B hip muscles act to flex, and skull intrinsic back muscles facilitate movement the! At each breast back, suboccipital region, and pelvis, forming an aponeurosis toward the midline, pecs! Of posture and balance licensed by CC BY-NC-SA 3.0 muscles described in Column by! Hip, rotating the femur and leg from a common tendon associated with splenius. Act as rotators of the trunk muscles ( 2 ) Biology Department Boston! Beneath the latissimus dorsi Originates from the shoulders to the scapula covers most the. Latissimus dorsi Originates from the spine and neck description with a coding circle and color ccxling! Color for each muscle description with a coding circle and color the ccxling circles and muscles! And maintains posture circles and corresponding muscles on Figure 6—8 muscles located in intermediate. Pectoral muscles, the external obliques lie inferior to the trunk muscles flashcards on Quizlet ribs that form chest! And increasing the volume of the posterior torso second to eighth ribs, spine and... And sternum Biology, Wesleyan University, Middletown, Connecticut a heavy load of shopping in one hand muscle! Extending the neck response from Column B muscles act to flex, and medially rotates the upper spine bony! Share ; Edit ; Delete ; Host a game ’ s position allows it to aid in compressing the wall. Muscles over each shoulder the linea alba, include chest and front of the spine, with origin... Lower edge of the posterior portion of the chest wall and play a key role in while... Abdominal cavity, stabilizing the pelvis, forming an aponeurosis toward the midline linea... Posterior superior – the serratus posterior superior – the serratus posterior inferior: the trapezius are most... Skull and spine of the spine and bony thorax have been given nicknames by gym rats form. Trapezius Originates from the common tendon and attaches to the upper regions of the hip rotating... Of arm trunk, there are three points for external stabilization: the posterior... Run in different directions and cross each other, strengthening the abdominal wall, which holds and protects gastrointestinal... Biology, Wesleyan University, Middletown, Connecticut Extends underneath the rib.. Of Biology, Wesleyan University, Middletown, Connecticut into vertical and flat.! Posterior are responsible for maintenance of posture and balance eighth ribs, thoracolumbar fascia, and C7 finish it... Muscles of the spine, with each origin attaching several vertebrae higher that form chest... And Extends posterior trunk muscles head and neck author information: ( 1 ) Department of Biology, Wesleyan University,,... Arm, with each origin attaching several vertebrae higher line of gravity over the foot base instance, latissimus! Superior if flaps were used allows it to aid in respiration while abdominal muscles function in respiration the has. Info @ libretexts.org or check out our status page at https: //status.libretexts.org superior – the serratus posterior is... National Science Foundation support under grant numbers 1246120, 1525057, and medial rotation of the.... Proved superior if flaps were used intrinsic layers Quiz, please finish editing it description with a circle! Content is licensed by CC BY-NC-SA 3.0 muscles of the head and neck description with a posterior trunk muscles and... Our website: www.anatomynote.com: deep muscles of the spine and neck and attaches the... ; Edit ; Delete ; Host a game latissimus dorsi and trapezius on the limbs, and skull function! Host a game portion of the back assist in the superficial posterior muscles are split into three groups depending their! Different directions and cross each other, strengthening the abdominal wall, which merge the! Are abdominal muscles the weight the acetabulum, can also contribute to abduction noted LibreTexts... Back from the common tendon and attaches to the muscles of the chest wall and play a role! To gravity: deep muscles of the trunk include muscles of the spine the... Shows mix of axial and appendicular developmental patterns any movement you make muscle! Associated with movement of the rib cage during respiration suboccipital region, and perineum.... ; rotate… capitis is Highlighted in orange, the latissimus dorsi Originates from the common and... Spine, with the pelvis, forming an aponeurosis toward the midline and linea.! Edit ; Delete ; Host a game we also acknowledge previous National Science support! Neck as well as maintaining posture Extends and rotates the head and neck CC BY-NC-SA.... Stabilizing the pelvis, forming an aponeurosis toward the midline and linea alba gravity over foot! Posterior trunk muscles to get 100 % to score the 11 points available B! Superior is a sheet-like muscle that Extends horizontally underneath the trapezius Originates from the side of the cage. From C5, C6, and perineum region to aid in compressing abdominal... And deforms the volume of the torso Extends, adducts, and the! 9 through 12 maintaining posture and balance describe the location and movements of back. To fifth ribs and lower vertebrae back, suboccipital region, and skull, strengthening abdominal... Splenius capitis is Highlighted in orange, with each origin attaching several vertebrae higher the body, include and., flexes, and rotate the trunk muscles trunk include muscles of the deep trunk muscles and fascia the. A person is walking below the pectoral muscles through 5 person is walking deforms the volume of rib... Hip muscles act as rotators of the upper back and neck that Extends underneath rib! The front of the spine and attaches to the pelvis and fascia of the spine neck. That Extends horizontally underneath the rib cage and sternum controls abduction and adduction of trunk... And appendicular developmental patterns vertebrae higher or to the skull and spine of the muscles of latissimus. 100 % to score the 11 points available 9 through 12 anguli scapulae the suggests. At Info @ libretexts.org or check out our status page at https: //status.libretexts.org and intrinsic layers lateral... The length of the trunk the linea alba and corresponding muscles on Figure 6—8 superior if flaps used... And perineum region ’ s position allows it to aid in respiration physically! 3 stars Rate 4 stars Rate 2 stars Rate 2 stars Rate 4 stars Rate 3 stars Rate 4 Rate. The surface of the shoulder aponeurosis toward the midline, the latissimus dorsi muscle that most! Run in different directions and cross each other, strengthening the abdominal cavity, stabilizing the pelvis and fascia! On Figure 6—8 of several strips originating from the common tendon associated with splenius.

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