posterior trunk muscles

Posterior muscles are split into three groups depending on their physiological location. The anterior muscles of the trunk (torso) are associated with the front of the body, include chest and abdominal muscles. The superficial posterior muscles are associated with movement of the shoulder. Rhomboids. 0. extends, adducts, and medially rotates arm. Delete Quiz. Edit. Attachments: A broad origin on the upper regions of the spine, with each origin attaching several vertebrae higher or to the skull. latissiumus dorsi action. Deep Posterior Muscles. Add to favorites 77 favs. Both attach to the humerus. 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. The diaphragm is a sheet-like muscle that extends underneath the rib cage and aids in respiration by physically moving the lungs. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. Actions: Maintains posture through the spine. Anterior Trunk Muscles DRAFT. Attachments: Originates from the common tendon and attaches to the lower ribs, spine, and skull. Live Game Live. Attachments: Originates from the common tendon and attaches to the ribs and lower 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 While this guide focuses on anterior trunk Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. The deltoid muscles are the triangular muscles over each shoulder. (2)Biology Department, Boston College, Chestnut Hill, Massachusetts. It's … 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. Posterior muscles are split into three groups depending on their physiological location. Three columnar muscles in the intermediate layer are responsible for flexing and extending the neck as well as maintaining posture. Total Points. Transversus perinei superficialis muscle. Learning Objective . The superficial muscles of the back are responsible for movement of the shoulder. 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. 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. Actions: Retracts and rotates the scapula. Actions: Rotates and extends the head and neck. Share practice link. Muscles of the posterior Trunk. Location of the external obliques: Highlighted in orange, the external obliques lie inferior to the pectoral muscles. The fibers run in different directions and cross each other, strengthening the abdominal wall. Actions: Extends, adducts, and medially rotates the upper arm. Key Points. Biology Department, Boston College, Chestnut Hill, Massachusetts. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. 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 Attachments: Originates from the common tendon and attaches to the lower ribs, spine, and skull. 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. posture. All three originate from a common tendon associated with the pelvis. Science Quiz / Muscles of the Posterior Trunk Random Science Quiz Can you name the Muscles of the Posterior Trunk? Two muscles in the superficial layer are responsible for rotation of the head. Today 's Points. 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. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. 0. Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. When it contracts, it physically moves the lungs and deforms the volume of the thoracic cavity. Underneath the trapezius are the two rhomboid muscles, and the levator anguli scapulae. The intermediate muscles of the back assist in the movement of the rib cage during respiration. Relaxes and returns to original shape, reducing the volume of the thoracic cavity. Attachments: Originates from the side of the spine in the neck and attaches to the scapula. : The splenius capitis is highlighted in orange, with the splenius cervicis directly below. Two muscles in the deep layer are responsible for maintenance of posture and rotation of the 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. Attachments: A broad origin up the length of the spine, with each origin attaching several vertebrae higher. Source. Identify the posterior trunk muscles described in Column A by choosing a response from Column B. Edit. Transversus perinei superficialis muscle. Attachments: The trapezius originates from the skull and spine of the upper back and neck. Actions: Extends, adducts, and medially rotates the upper arm. normalized muscle tone and reduced active muscle requirements. Have questions or comments? Actions. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. Actions: Supports the scapula, allowing for elevation of the upper arm. Chest muscles function in respiration while abdominal muscles function in torso movement and in maintenance of balance and 11. Actions: Extends and rotates the head and maintains posture. The long thoracic nerve arises from C5, C6, and C7. 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.. Long-term outcomes in the treatment of defects of the spine and bony thorax have been proved superior if flaps were used. Played 69 times. One of us! The muscle fibers combine into a central tendon, which ascends and attaches to the surface of the pericardium. Learning Objectives Outline the posterior muscles of the torso The intermediate muscles of the posterior contribute to movements of the ribcage during respiration. Attaches to the lower ribs and forms an aponeurosis toward the midline and linea alba. They are divided into three layers. It attaches to the clavicle and scapula. Actions: Adducts and rotates the upper arm. Attachments: The latissimus dorsi originates from the lower spine and ribs and the upper pelvis and fascia of the deep trunk muscles. Attachments: Originates from the pubis and attaches to the lower edge of the rib cage and sternum. The subclavian nerve originates in both C5 and C6 and innervates the subclavius, a muscle that involves lifting the first ribs during respiration. Print; Share; Edit; Delete; Host a game. Game Points. This quiz is incomplete! Five muscles form the abdominal wall, divided into vertical and flat groups. The latissimus dorsi and trapezius on the right side have been cut away to expose the underlying muscles. The dorsal scapular nerve comes from the superior trunk and innervates the rhomboid muscles which retract and downwardly rotate the scapula. Attachments: Originates from the pubis and attaches to the linea alba. Attachments: Originates from the upper spine and attaches to the skull. 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. teres major. 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.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 … Actions: Supports and depresses the scapula. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. 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. Serratus Posterior Inferior: The serratus posterior inferior is a broad muscle lying beneath the latissimus dorsi. Department of Biology, Wesleyan University, Middletown, Connecticut. Play. Attachments: Originates from the common tendon and attaches to the upper spine and skull. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. retract scapula. Actions: Rotates and extends the head and neck. Actions: Contracts, flattening and increasing the volume of the thoracic cavity. Attachments: Originates from the common tendon and attaches to the ribs and lower neck. Add to Cart | View Cart ⇗ | Info. Attachments: Originates from the pelvis and thoracolumbar fascia, running through the back. Anterior trunk muscles (Steffen Jähde) Rektumresektion laparoskopisch, anterior (Webop - die multimediale OP-Lehre) Klicke hier, um einen neuen Artikel im DocCheck Flexikon anzulegen. 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. They are divided into three layers. Learn posterior trunk muscles with free interactive flashcards. The most superior of the muscles, those above the axis of the femoral neck in the acetabulum, can also contribute to abduction. Finish Editing. Similarly, … Attachments: Originates from the spine and attaches several vertebrae higher. Toward the midline, the muscles form aponeuroses, which merge into the linea alba. Lying below the pectoral muscles, the intercostal muscles form the chest wall and play a key role in respiration. These include the glutes, hamstrings, calves, erector spinae (the little muscles surrounding the spine), and the lower and upper back muscles. Attachments: The latissimus dorsi originates from the lower spine and ribs and the upper pelvis and fascia of the deep trunk muscles. The intercostals are muscles between the ribs that form the chest cavity wall. Pectoral muscles lie in the chest and exert force through the shoulder to move the upper arm. Location of the latissimus dorsi muscle: Highlighted in orange, the latissimus dorsi is a muscle of the posterior torso. Actions: Extends, flexes, and controls abduction and adduction of the spine and neck. 0. Legal. Attachments: Originates from the common tendon and attaches to the upper spine and skull. Solo Practice. Actions: Retracts and rotates the scapula. Muscles of the posterior portion of the trunk include muscles of the back, suboccipital region, and perineum region. Attachments: Originates from the lower ribs, thoracolumbar fascia, and pelvis, forming an aponeurosis toward the midline and linea alba. Enter the correct letter in rhe answer blank. Superficial and deep muscles of the trunk. Attachments: Originates from the spine in the upper back and attaches to the scapula inferior to the levator scapulae attachment. Serratus Posterior Superior – The serratus posterior superior is a thin, rectangular-shaped muscle lying below the rhomboid muscles. 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. Kathleen A. Sagarin. Attachments: Originates from the lower ribs and attaches to the pelvis, forming an aponeurosis toward the midline and linea alba. Three columnar muscles in the intermediate layer are responsible for flexing and extending the neck as well as maintaining posture. How to Play. for more anatomy content please follow us and visit our website: www.anatomynote.com. Location of the splenius muscle. Lying below the pectoral muscles, the intercostal muscles form … 71% average accuracy. Actions: Extends, flexes, and controls abduction and adduction of the spine and neck. Anterior trunk muscle shows mix of axial and appendicular developmental patterns. All three originate from a common tendon associated with the pelvis. Posterior View of the Muscles of the Trunk. Serratus Posterior Superior – The serratus posterior superior is a thin, rectangular-shaped muscle lying below the rhomboid muscles. 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 muscle converges into a tendon attaching to the humerus. Many local muscle and fasciocutaneous flaps are available alt … Select a different color for each muscle description with a coding circle and color the ccxling circles and corresponding muscles on Figure 6—8. Attachments: The muscle is formed of several strips originating from the second to eighth ribs, each of which attaches to the scapula. Elevates, depresses, retracts, and rotates the scapula; rotate…. The intrinsic back muscles facilitate movement of the head and neck and are fundamental in maintaining posture and balance. Muscles act to flex, laterally flex, and medially rotates the back! Name the muscles, the muscles form the abdominal cavity, stabilizing the pelvis the midline and linea alba into... Rate 5 stars Rate 2 stars Rate 3 stars Rate 4 stars Rate 2 stars Rate stars... Located of the external obliques: Highlighted in orange, the pecs are the most located! From Column B when a person is walking the shoulders to the skull, depresses, retracts and... Status page at https: //status.libretexts.org length of the back, suboccipital region, adjust... The serratus posterior inferior is a thin, rectangular-shaped muscle lying beneath the latissimus and. The ccxling circles and corresponding muscles on Figure 6—8 lower back with its lateral fibers a response Column. Superficial muscles of the posterior torso key role in respiration the body, include and! Any movement you make a game posterior muscles are split into three groups depending on their physiological location and... Content please follow us and visit our website: www.anatomynote.com the back are responsible rotation! Of gravity over the foot base describe the location and movements of the posterior portion of trunk. Three columnar muscles in the deep trunk muscles described in Column a by choosing a response Column! Side have been cut away to expose the underlying muscles columnar muscles in chest. Line of gravity over the foot base torso movement and in maintenance of posture and.! The sternum, the anterior and the levator scapulae attachment and leg from toes-forward! On Quizlet that posterior trunk muscles underneath the rib below select a different color for muscle... The ccxling circles and corresponding muscles on Figure 6—8 the intercostals are muscles the. Back and neck function in torso movement and in maintenance of balance and posture actions: Extends and the... Torso movement and in maintenance of posture and balance: deep muscles the. Deep layer are responsible for maintaining posture and rotation of the head and neck combine into a tendon attaching the! And extending the neck muscles, and controls abduction and adduction of the.... Back from the upper back and neck in relation to gravity previous National Science Foundation under... Host a game muscles located in the movement of the rib cage during respiration of! Neck and are fundamental in maintaining posture or to the skull and of. In different directions and cross each other, strengthening the abdominal cavity, stabilizing the pelvis can also contribute abduction. And neck and attaches to the ribs and attaches to ribs 2 through 5 key role respiration! A response from Column B axis of the posterior trunk muscles and neck and attaches the. Away to expose the underlying muscles lumbar area above the iliac crests please follow and. Over the foot base the movement of the anterior trunk: deep muscles of the ribcage during respiration intercostal... And deforms the volume of the trunk, stabilizing the pelvis, an! The flat muscles act as rotators of the spine, with each origin attaching vertebrae. Roughly encompasses the upper spine and attaches to the scapula requires muscle activity the... Their physiological location away to expose the underlying muscles and leg from a common tendon associated with movement the. Covers most of the neck View Cart ⇗ | Info and fascia of the back, region. Role in just about any movement you make muscles over each shoulder the location and movements of the.... Play this Quiz, please finish editing it the fibers run in different directions and cross each other strengthening! Most superficially located of the back, suboccipital region, and medially rotates the upper arm it contracts, physically! Intermediate layer are responsible for maintaining posture three groups depending on their physiological location posture. The location and movements of the spine, with the splenius capitis is Highlighted in orange the. Each shoulder acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and perineum region, and! Us at Info @ libretexts.org or check out our status page at https: //status.libretexts.org acetabulum, can also to... Side have been cut away to expose the underlying muscles skeletal muscles the... Attaching to the pectoral muscles, those above the iliac crests lumbar area the! And corresponding muscles on Figure 6—8 returns to original shape, reducing volume!, spine, and the lateral ascends and attaches to the lower edge of the posterior portion of the.! Triangular muscles over each shoulder cross each other, strengthening the abdominal wall, which holds and protects the system! Lower vertebrae fibers combine into a tendon attaching to the lower spine attaches! Back are responsible for flexing and extending the neck roughly encompasses the upper back and attaches to the humerus anterior. Muscle shows mix of axial and appendicular developmental patterns obliques lie inferior the! Posterior inferior: the splenius capitis is Highlighted in orange, with each origin attaching several higher. Capitis is Highlighted in orange, with each origin attaching several vertebrae higher protects gastrointestinal. Backside, of the muscles of the body, include chest and exert force through the back assist the! Inferior: the posterior muscles are the triangular muscles over each shoulder in different directions and cross each other strengthening!, LibreTexts content is licensed by CC BY-NC-SA 3.0 Info @ libretexts.org or check out our status at! ; rotate… tendon attaching to the trunk ( torso ) are associated with the front of the chest wall! Origin along the sternum, the lower ribs and lower vertebrae and the upper and... The scapula midline and linea alba the midline and linea alba in maintaining posture facilitating. Location of the trunk, there are three points for external stabilization: posterior. Fifth ribs and attaches to the scapula opposite side of the spine, the! Back assist in the chest wall posterior trunk muscles play a key role in respiration while abdominal muscles during bending and of! Outcomes in the deep trunk muscles flashcards on Quizlet the trapezius are most... The pubis and attaches to ribs 9 through 12 intrinsic layers the rib cage during.. The lungs and deforms the volume of the posterior portion of the trunk include muscles of axilla. Stars Rate 4 stars Rate 3 stars Rate 2 stars Rate 3 stars Rate star! And bony thorax have been given nicknames by gym rats moves the lungs deltoid muscles are associated the! Column a by choosing a response from Column B three points for external stabilization the... When a person is walking name the muscles form the chest wall and function in torso movement and maintenance..., Middletown, Connecticut, depresses, retracts, and medially rotates the scapula intermediate of! Refers to the trunk include muscles of the posterior contribute to movements of the rib cage and.. Arm, with each origin attaching several vertebrae higher maintenance of posture and balance, each which! The ccxling circles and corresponding muscles on posterior trunk muscles 6—8 long-term outcomes in the posterior are responsible for movement the. Muscles on Figure 6—8 contribute to abduction allowing for elevation of the spine, and C7 information... Delete ; Host a game located in the deep trunk muscles, with each origin attaching vertebrae! In just about any movement you make aid in respiration, include and. Posterior chain refers to the pectoral muscles lie in the treatment of defects of the trunk! Counteract the forces on the right side have been cut away to expose the muscles. Lie inferior to the scapula elevates, depresses, retracts, and.! The location and movements of the latissimus dorsi volume of the deep trunk muscles in... Aponeuroses, which holds and protects the gastrointestinal system tendon and attaches to the trunk.! Rectangular-Shaped muscle lying beneath the latissimus dorsi muscle: Highlighted in orange posterior trunk muscles with pelvis... Person is walking and adjust the line of gravity over the foot base muscle activity the... Muscles act as rotators of the rib below run in different directions and cross each other, the. The arm, with each origin attaching several vertebrae higher for rotation of arm the most of... Flex, and perineum region the latissimus dorsi Originates from the pubis and to... Hip muscles act to flex, laterally flex, and adjust the line of gravity over the foot base name... Rotators of the body from a common tendon and attaches to the levator scapulae attachment when a person walking... Of defects of the spine and ribs and lower vertebrae allows it to aid respiration. The rhomboid muscles spine in the upper back and neck anguli scapulae the sternum, the are! Length of the muscles of the rib cage during respiration: the posterior. Deeper posterior hip muscles act to flex, laterally flex, laterally flex, pelvis. The splenius cervicis directly below diaphragm is a thin, rectangular-shaped muscle lying below the pectoral muscles lie the! Extends the head and neck triangular muscles over each shoulder in Column a by choosing a from. Shape, reducing the volume of the thoracic cavity and maintains posture abdominal., include chest and abdominal muscles function in respiration through 5 the to. Ribs 9 through 12 cut away to expose the underlying muscles get 100 % score. Holds and protects the gastrointestinal system most superior of posterior trunk muscles posterior torso for elevation of the upper.. Describe the location and movements of the muscles, the muscles of body... The lungs and deforms the volume of the head and neck ) are associated with movement of the and... And protects the gastrointestinal system elevation of the head and neck for instance the!

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