Attachments: Originates from the spine and attaches several vertebrae higher. Add to favorites 77 favs. Actions: Maintains posture through the spine. Actions: Rotates and extends the head and neck. 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 Search for more papers by this author . Today 's Points. Actions: Rotates and extends the head and neck. Transversus perinei superficialis muscle. 11th - University grade . 0. The vertical muscles aid in compressing the abdominal cavity, stabilizing the pelvis, and depressing the ribs when a person is walking. Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. Serratus Posterior Superior – The serratus posterior superior is a thin, rectangular-shaped muscle lying below the rhomboid muscles. Attachments: The diaphragm has several points of origin along the sternum, the lower ribs, and lower vertebrae. Play. Key Points. Learning Objectives Outline the posterior muscles of the torso 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 intermediate muscles of the back assist in the movement of the rib cage during respiration. The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. Attachments: Originates from the spine and attaches several vertebrae higher. Attachments: Originates from the common tendon and attaches to the upper spine and skull. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. teres major. It attaches to the clavicle and scapula. 0. Department of Biology, Wesleyan University, Middletown, Connecticut. Author information: (1)Department of Biology, Wesleyan University, Middletown, Connecticut. Transversus perinei superficialis muscle. Attachments: Originates from the lower ribs, thoracolumbar fascia, and pelvis, forming an aponeurosis toward the midline and linea alba. 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. Two muscles in the superficial layer are responsible for rotation of the head. 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.. Legal. Today's Rank--0. Posterior muscles are split into three groups depending on their physiological location. Enter the correct letter in rhe answer blank. Serratus Posterior Superior – The serratus posterior superior is a thin, rectangular-shaped muscle lying below the rhomboid muscles. To play this quiz, please finish editing it. Rhomboids. The intercostal muscles form the chest wall and function in respiration. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. Have questions or comments? Lying below the pectoral muscles, the intercostal muscles form … 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. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Describe the location and movements of the posterior muscles of the trunk. Actions: Adducts and rotates the upper arm. 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. 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. Many local muscle and fasciocutaneous flaps are available alt … Two muscles in the deep layer are responsible for maintenance of posture and rotation of the neck. muscles.53 21 Without trunk muscle fixation of the rib cage and abdominal cavity the forces on the lower thoracic and lumbosacral disks would be 30 to 50% greater during near-maximum lifting.I7 Strength measurements for the trunk have been reported for selected trunk positions using isometric contractions3~ 24 and also for concen- tric (shortening) contractions through the range of … Attachments: Originates from the lower ribs and attaches to the pelvis, forming an aponeurosis toward the midline and linea alba. Save. posture. All three originate from a common tendon associated with the pelvis. The intercostals are muscles between the ribs that form the chest cavity wall. Muscles of the Trunk. Print; Share; Edit; Delete; Host a game. The muscle converges into a tendon attaching to the humerus. Actions: Extends and rotates the head and maintains posture. It attaches to the clavicle and scapula. (2)Biology Department, Boston College, Chestnut Hill, Massachusetts. Attachments: A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull. This group of muscles plays a huge role in just about any movement you make. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. The posterior trunk roughly encompasses the upper back from the shoulders to the lumbar area above the iliac crests. Practice. Lying below the pectoral muscles, the intercostal muscles form the chest wall and play a key role in respiration. extension, adduction, and medial rotation of arm. 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. 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. 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. Toward the midline, the muscles form aponeuroses, which merge into the linea alba. They are divided into three layers. Pectoral muscles lie in the chest and exert force through the shoulder to move the upper arm. Muscles of the posterior Trunk. Underneath the trapezius are the two rhomboid muscles, and the levator anguli scapulae. Attachments: A broad origin up the length of the spine, with each origin attaching several vertebrae higher. These include the glutes, hamstrings, calves, erector spinae (the little muscles surrounding the spine), and the lower and upper back muscles. Played 69 times. [ "article:topic", "license:ccbysa", "showtoc:no" ], Outline the posterior muscles of the torso. Learning Objectives Outline the posterior muscles of the torso Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. The obliques are abdominal muscles that assist during bending and twisting of the torso. The most superior of the muscles, those above the axis of the femoral neck in the acetabulum, can also contribute to abduction. Actions: Supports the scapula, allowing for elevation of the upper arm. Anterior Trunk Muscles DRAFT. Trapezius. Actions: Retracts and rotates the scapula. Share practice link. 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. They are divided into three layers. Finish Editing. Advertisement . Source. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. 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 subclavian nerve originates in both C5 and C6 and innervates the subclavius, a muscle that involves lifting the first ribs during respiration. Anterior trunk muscles (Steffen Jähde) Rektumresektion laparoskopisch, anterior (Webop - die multimediale OP-Lehre) Klicke hier, um einen neuen Artikel im DocCheck Flexikon anzulegen. Posterior View of the Muscles of the Trunk. Identify the posterior trunk muscles described in Column A by choosing a response from Column B. Anna C. Redgrave. Attachments: Originates from the lower spine and attaches to ribs 2 through 5. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. (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. Actions: Supports and depresses the scapula. Deep Posterior Muscles. Choose from 500 different sets of posterior trunk muscles flashcards on Quizlet. Homework. Attachments: Originates from the common tendon and attaches to the ribs and lower neck. Attachments: A broad origin up the length of the spine, with each origin attaching several vertebrae higher. Relaxes and returns to original shape, reducing the volume of the thoracic cavity. Attachments: Originates from the lower spine and attaches to ribs 2 through 5. Galleries General Dissected Views. Long-term outcomes in the treatment of defects of the spine and bony thorax have been proved superior if flaps were used. Posterior muscles are split into three groups depending on their physiological location. latissiumus dorsi action. Watch the recordings here on Youtube! The intermediate muscles of the back assist in the movement of the rib cage during respiration. As the name suggests, they are the most superficially located of the muscles covering the intermediate and intrinsic layers. 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. Posterior View. 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. The deltoid muscles are the triangular muscles over each shoulder. Total Points. Department of Biology, Wesleyan University, Middletown, Connecticut. Attachments: The latissimus dorsi originates from the lower spine and ribs and the upper pelvis and fascia of the deep trunk muscles. Chest muscles function in respiration while abdominal muscles function in torso movement and in maintenance of balance and Some of the trunk muscles have been given nicknames by gym rats. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Attachments: Originates from the pubis and attaches to the linea alba. The diaphragm’s position allows it to aid in respiration. Attachments: Originates from the common tendon and attaches to the lower ribs, spine, and skull. Attachments: Originates from the common tendon and attaches to the ribs and lower neck. One of us! 3 years ago. Attachments: Originates from the spine and attaches to ribs 9 through 12. Attachments: The trapezius originates from the skull and spine of the upper back and neck. The flat muscles act to flex, laterally flex, and rotate the trunk. Sagarin KA(1), Redgrave AC(1)(2), Mosimann C(3), Burke AC(1), Devoto SH(1). 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 . Elevates, depresses, retracts, and rotates the scapula; rotate…. Biology Department, Boston College, Chestnut Hill, Massachusetts. (s Column A 1. Keywords trunk, muscle, torso, back. Solo Practice. Three columnar muscles in the intermediate layer are responsible for flexing and extending the neck as well as maintaining posture. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Two muscles in the superficial layer are responsible for rotation of the head. The muscle fibers combine into a central tendon, which ascends and attaches to the surface of the pericardium. 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. Both attach to the humerus. Actions: Extends and controls abduction and adduction of the spine and neck. Attachments: Originates from the pubis and attaches to the lower edge of the rib cage and sternum. Intercostal muscles of the anterior trunk: Deep muscles of the chest and front of the arm, with the boundaries of the axilla. The superficial posterior muscles are associated with movement of the shoulder. for more anatomy content please follow us and visit our website: www.anatomynote.com. Location of the latissimus dorsi muscle: Highlighted in orange, the latissimus dorsi is a muscle of the posterior torso. How to Play. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Edit. The superficial muscles of the back are responsible for movement of the shoulder. While this guide focuses on anterior trunk Select a different color for each muscle description with a coding circle and color the ccxling circles and corresponding muscles on Figure 6—8. Actions: Extends, flexes, and controls abduction and adduction of the spine and neck. All intercostal muscles originate on the lower border of a rib and attach to the upper border of the rib below. 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. Learn posterior trunk muscles with free interactive flashcards. Actions: Extends, adducts, and medially rotates the upper arm. This quiz is incomplete! The dorsal scapular nerve comes from the superior trunk and innervates the rhomboid muscles which retract and downwardly rotate the scapula. retract scapula. For instance, the pecs are the pectoralis major muscles at each breast. 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. When it contracts, it physically moves the lungs and deforms the volume of the thoracic cavity. The long thoracic nerve arises from C5, C6, and C7. Attachments: The pectoralis minor originates from the third to fifth ribs and attaches to the scapula. Five muscles form the abdominal wall, divided into vertical and flat groups. Attachments: The muscle is formed of several strips originating from the second to eighth ribs, each of which attaches to the scapula. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. 71% average accuracy. The diaphragm is a sheet-like muscle that extends underneath the rib cage and aids in respiration by physically moving the lungs. Similarly, … The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. The fibers run in different directions and cross each other, strengthening the abdominal wall. Add to Cart | View Cart ⇗ | Info. The anterior muscles of the trunk (torso) are associated with the front of the body, include chest and abdominal muscles. Attachments: Originates from the upper spine and attaches to the skull. Location of the splenius muscle. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. by enanstine Plays Quiz not verified by Sporcle . Attachments: Originates from the side of the spine in the neck and attaches to the scapula. Biology. 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. Location of the latissimus dorsi muscle: Highlighted in orange, the latissimus dorsi is a muscle of the posterior torso. Attachments: Originates from the upper spine and attaches to the skull. Actions: Extends, flexes, and controls abduction and adduction of the spine and neck. 0. The superficial posterior muscles are associated with movement of the shoulder. Three columnar muscles in the intermediate layer are responsible for flexing and extending the neck as well as maintaining posture. All three originate from a common tendon associated with the pelvis. 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. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. Learning Objective . Attachments: The latissimus dorsi originates from the lower spine and ribs and the upper pelvis and fascia of the deep trunk muscles. Intercostal muscles of the anterior trunk: Deep muscles of the chest and front of the arm, with the boundaries of the axilla. 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). Diaphragm: The diaphragm is a large, flat, sheet-like muscle that extends horizontally underneath the rib cage. Missed the LibreFest? Actions: Extends and controls abduction and adduction of the spine and neck. Actions: Contracts, flattening and increasing the volume of the thoracic cavity. Good posture is the result of balancing the skeleton in relation to gravity. The latissimus dorsi and trapezius on the right side have been cut away to expose the underlying muscles. 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. Actions: Extends, adducts, and medially rotates the upper arm. Delete Quiz. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. 11. Actions: Extends and rotates the head and maintains posture. The posterior chain refers to the muscles located in the posterior, or backside, of the body. Attachments: Originates from the spine and attaches to ribs 9 through 12. When it comes to the trunk, there are three points for external stabilization: the posterior, the anterior and the lateral. 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: Actions: Retracts and rotates the scapula. Outline the posterior muscles of the torso. 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 extends, adducts, and medially rotates arm. The skeletal muscles of the abdomen form part of the abdominal wall, which holds and protects the gastrointestinal system. Lats are the latissimus dorsi muscle that covers most of the lower back with its lateral fibers. Actions: Maintains posture through the spine. The superficial muscles of the back are responsible for movement of the shoulder. Attachments: Originates from the side of the spine in the neck and attaches to the scapula. Actions. Live Game Live. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. The muscles of the trunk counteract the forces on the limbs, and adjust the line of gravity over the foot base. Outline the anterior muscles of the torso. Carrying a heavy load of shopping in one hand requires muscle activity on the opposite side of the trunk to balance the weight. The intrinsic muscles of the posterior are responsible for maintaining posture and facilitating movement of the head and neck. Superficial and deep muscles of the trunk. 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. Attaches to the lower ribs and forms an aponeurosis toward the midline and linea alba. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. Two muscles in the deep layer are responsible for maintenance of posture and rotation of the neck. Attachments: Originates from the common tendon and attaches to the upper spine and skull. Attachments: Originates from the pelvis and thoracolumbar fascia, running through the back. 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. One of the four muscles of the rotator cuff Origin is infraspinous fossa of the scapula Insertion at the middle facet of greater tubercle of the humerus Motion of the Infraspinatus is … Rate 5 stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 1 star . You need to get 100% to score the 11 points available. Attachments: A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull. Kathleen A. Sagarin. Location of the external obliques: Highlighted in orange, the external obliques lie inferior to the pectoral muscles. Get started! normalized muscle tone and reduced active muscle requirements. Attachments: The trapezius originates from the skull and spine of the upper back and neck. As the name suggests, they are the most superficially located of the muscles covering the intermediate and intrinsic layers. Feb 19, 2019 - Posterior Trunk Muscles Posterior Trunk Muscles Trunk Muscles #79201024006 – Muscles of the Trunk Diagram, with 44 Related files Game Points. Science Quiz / Muscles of the Posterior Trunk Random Science Quiz Can you name the Muscles of the Posterior Trunk? The muscle converges into a tendon attaching to the humerus. Popular Quizzes Today . It's … by freebio. 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. 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. Abdominal cavity, stabilizing the pelvis, forming an aponeurosis toward the midline and linea alba select different! Hip muscles act as rotators of the trunk: //status.libretexts.org nicknames by gym rats and front of the.! Muscle activity on the right side have been cut away to expose the underlying muscles comes. And deforms the volume of the trunk muscles the right side have been proved superior if flaps were.! Hip muscles act as rotators of the thoracic cavity that covers most of the back, suboccipital region, adjust. Thorax have been given nicknames by gym rats refers to the scapula inferior to the.... 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