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Vertebral Column and Thorax
Introduction to Human Osteology Chapter 4: Vertebral Column and Thorax Roberta Hall Kenneth Beals Holm Neumann Georg Neumann Gwyn Madden Revised in 1978, 1984, and 2008 The Vertebral Column and Thorax Sternum Manubrium – bone that is trapezoidal in shape, makes up the superior aspect of the sternum. Jugular notch – concave notches on either side of the superior aspect of the manubrium, for articulation with the clavicles. Corpus or body – flat, rectangular bone making up the major portion of the sternum. The lateral aspects contain the notches for the true ribs, called the costal notches. Xiphoid process – variably shaped bone found at the inferior aspect of the corpus. Process may fuse late in life to the corpus. Clavicle Sternal end – rounded end, articulates with manubrium. Acromial end – flat end, articulates with scapula. Conoid tuberosity – muscle attachment located on the inferior aspect of the shaft, pointing posteriorly. Ribs Scapulae Head Ventral surface Neck Dorsal surface Tubercle Spine Shaft Coracoid process Costal groove Acromion Glenoid fossa Axillary margin Medial angle Vertebral margin Manubrium. Left anterior aspect, right posterior aspect. Sternum and Xyphoid Process. Left anterior aspect, right posterior aspect. Clavicle. Left side. Top superior and bottom inferior. First Rib. Left superior and right inferior. Second Rib. Left inferior and right superior. Typical Rib. Left inferior and right superior. Eleventh Rib. Left posterior view and left superior view. Twelfth Rib. Top shows anterior view and bottom shows posterior view. Scapula. Left side. Top anterior and bottom posterior. Scapula. Top lateral and bottom superior. Clavicle Sternum Scapula Ribs Vertebrae Body - Development of the vertebrae can be used in aging of individuals. -
Copyrighted Material
C01 10/31/2017 11:23:53 Page 1 1 1 The Normal Anatomy of the Neck David Bainbridge Introduction component’ of the neck is a common site of pathology, and the diverse forms of neck The neck is a common derived characteristic disease reflect the sometimes complex and of land vertebrates, not shared by their aquatic conflicting regional variations and functional ancestors. In fish, the thoracic fin girdle, the constraints so evident in this region [2]. precursor of the scapula, coracoid and clavi- Unlike the abdomen and thorax, there is no cle, is frequently fused to the caudal aspect of coelomic cavity in the neck, yet its ventral part the skull. In contrast, as vertebrates emerged is taken up by a relatively small ‘visceral on to the dry land, the forelimb separated from compartment’, containing the larynx, trachea, the head and the intervening vertebrae speci- oesophagus and many important vessels, alised to form a relatively mobile region – the nerves and endocrine glands. However, I neck – to allow the head to be freely steered in will not review these structures, as they do many directions. not represent an extension of the equine ‘back’ With the exception of the tail, the neck in the same way that the more dorsal locomo- remains the most mobile region of the spinal tor region does. column in modern-day horses. It permits a wide range of sagittal plane flexion and exten- sion to allow alternating periods of grazing Cervical Vertebrae 3–7 and predator surveillance, as well as frontal plane flexion to allow the horizon to be scan- Almost all mammals, including the horse, ned, and rotational movement to allow possess seven cervical vertebrae, C1 to C7 nuisance insects to be flicked off. -
Effect of Preservation of the C-6 Spinous Process and Its Paraspinal Muscular Attachment on the Prevention of Postoperative Axial Neck Pain in C3–6 Laminoplasty
SPINE CLINICAL ARTICLE J Neurosurg Spine 22:221–229, 2015 Effect of preservation of the C-6 spinous process and its paraspinal muscular attachment on the prevention of postoperative axial neck pain in C3–6 laminoplasty Eiji Mori, MD, Takayoshi Ueta, MD, PhD, Takeshi Maeda, MD, PhD, Itaru Yugué, MD, PhD, Osamu Kawano, MD, PhD, and Keiichiro Shiba, MD, PhD Department of Orthopaedic Surgery, Spinal Injuries Center, Iizuka, Fukuoka, Japan OBJECT Axial neck pain after C3–6 laminoplasty has been reported to be significantly lesser than that after C3–7 laminoplasty because of the preservation of the C-7 spinous process and the attachment of nuchal muscles such as the trapezius and rhomboideus minor, which are connected to the scapula. The C-6 spinous process is the second longest spinous process after that of C-7, and it serves as an attachment point for these muscles. The effect of preserving the C-6 spinous process and its muscular attachment, in addition to preservation of the C-7 spinous process, on the preven- tion of axial neck pain is not well understood. The purpose of the current study was to clarify whether preservation of the paraspinal muscles of the C-6 spinous process reduces postoperative axial neck pain compared to that after using nonpreservation techniques. METHODs The authors studied 60 patients who underwent C3–6 double-door laminoplasty for the treatment of cervi- cal spondylotic myelopathy or cervical ossification of the posterior longitudinal ligament; the minimum follow-up period was 1 year. Twenty-five patients underwent a C-6 paraspinal muscle preservation technique, and 35 underwent a C-6 nonpreservation technique. -
The Effect of the Moufarrege Total Posterior Pedicle Reduction Mammaplasty on the Erogenous Sensation of the Nipple
Surgical Science, 2019, 10, 127-140 http://www.scirp.org/journal/ss ISSN Online: 2157-9415 ISSN Print: 2157-9407 The Effect of the Moufarrege Total Posterior Pedicle Reduction Mammaplasty on the Erogenous Sensation of the Nipple Richard Moufarrege1,2*, Mohammed El Mehdi El Yamani1, Laura Barriault1, Ahmed Amine Alaoui1 1Faculty of Medicine, Université de Montréal, Montreal, Canada 2Department of Plastic Surgery, Université de Montréal, Montreal, Canada How to cite this paper: Moufarrege, R., El Abstract Yamani, M.E.M., Barriault, L. and Alaoui, A.A. (2019) The Effect of the Moufarrege Traditional reduction mammoplasties have the simple concern to guarantee Total Posterior Pedicle Reduction Mam- the survival of the nipple areola complex after surgery. Little has been done to maplasty on the Erogenous Sensation of the take care of essential functions in the nipple, especially the erogenous sensa- Nipple. Surgical Science, 10, 127-140. https://doi.org/10.4236/ss.2019.104016 tion. We have conducted a retrospective study on a cohort of 573 female pa- tients operated using the Total Posterior Pedicle of Moufarrege between 1985 Received: February 25, 2019 and 1995 to evaluate its effect on the erogenous sensation of the nipple. This Accepted: April 23, 2019 study demonstrated the preservation of the erogenous sensation of the nipple Published: April 26, 2019 in a high proportion of these patients. The physiology of this preservation is Copyright © 2019 by author(s) and explained in regard of the technique details in Moufarrege mammoplasty Scientific Research Publishing Inc. compared to other techniques. The Moufarrege Total Posterior Pedicle would This work is licensed under the Creative therefore be a highly reliable reduction technique to ensure the preservation Commons Attribution International License (CC BY 4.0). -
Diaphragm and Intercostal Muscles
Diaphragm and intercostal muscles Dr. Heba Kalbouneh Associate Professor of Anatomy and Histology Skeletal System Adult Human contains 206 Bones 2 parts: Axial skeleton (axis): Skull, Vertebral column, Thoracic cage Appendicular skeleton: Bones of upper limb Bones of lower limb Dr. Heba Kalbouneh Structure of Typical Vertebra Body Vertebral foramen Pedicle Transverse process Spinous process Lamina Dr. Heba Kalbouneh Superior articular process Intervertebral disc Dr. Heba Inferior articular process Dr. Heba Facet joints are between the superior articular process of one vertebra and the inferior articular process of the vertebra directly above it Inferior articular process Superior articular process Dr. Heba Kalbouneh Atypical Vertebrae Atlas (1st cervical vertebra) Axis (2nd cervical vertebra) Dr. Heba Atlas (1st cervical vertebra) Communicates: sup: skull (atlanto-occipital joint) inf: axis (atlanto-axial joint) Atlas (1st cervical vertebra) Characteristics: 1. no body 2. no spinous process 3. ant. & post. arches 4. 2 lateral masses 5. 2 transverse foramina Typical cervical vertebra Specific to the cervical vertebra is the transverse foramen (foramen transversarium). is an opening on each of the transverse processes which gives passage to the vertebral artery Thoracic Cage - Sternum (G, sternon= chest bone) -12 pairs of ribs & costal cartilages -12 thoracic vertebrae Manubrium Body Sternum: Flat bone 3 parts: Xiphoid process Dr. Heba Kalbouneh Dr. Heba Kalbouneh The external intercostal muscle forms the most superficial layer. Its fibers are directed downward and forward from the inferior border of the rib above to the superior border of the rib below The muscle extends forward to the costal cartilage where it is replaced by an aponeurosis, the anterior (external) intercostal membrane Dr. -
Analysis of Isometric Cervical Strength with a Nonlinear Musculoskeletal Model with 48 Degrees of Freedom
Multibody Syst Dyn (2016) 36:339–362 DOI 10.1007/s11044-015-9461-z Analysis of isometric cervical strength with a nonlinear musculoskeletal model with 48 degrees of freedom E. de Bruijn1 · F.C.T. van der Helm 1 · R. Happee1 Received: 15 May 2014 / Accepted: 8 May 2015 / Published online: 2 June 2015 © The Author(s) 2015. This article is published with open access at Springerlink.com Abstract Background: Musculoskeletal models served to analyze head–neck motion and injury during automotive impact. Although muscle activation is known to affect the kine- matic response, a model with properly validated muscle contributions does not exist to date. The goal of this study was to enhance a musculoskeletal neck model and to validate passive properties, muscle moment arms, maximum isometric strength, and muscle activity. Methods: A dynamic nonlinear musculoskeletal model of the cervical spine with 48 de- grees of freedom was extended with 129 bilateral muscle segments. The stiffness of the passive ligamentous spine was validated in flexion/extension, lateral bending, and axial ro- tation. Instantaneous joint centers of rotation were validated in flexion/extension, and mus- cle moment arms were validated in flexion/extension and lateral bending. A linearized static model was derived to predict isometric strength and muscle activation in horizontal head force and axial rotation tasks. Results: The ligamentous spine stiffness, instantaneous joint centers of rotation, muscle moment arms, cervical isometric strength, and muscle activation patterns were in general agreement with biomechanical data. Taking into account equilibrium of all neck joints, iso- metric strength was strongly reduced in flexion (46 %) and axial rotation (81 %) compared to a simplified solution only considering equilibrium around T1–C7, while effects were marginal in extension (3 %). -
Scapular Winging Is a Rare Disorder Often Caused by Neuromuscular Imbalance in the Scapulothoracic Stabilizer Muscles
SCAPULAR WINGING Scapular winging is a rare disorder often caused by neuromuscular imbalance in the scapulothoracic stabilizer muscles. Lesions of the long thoracic nerve and spinal accessory nerves are the most common cause. Patients report diffuse neck, shoulder girdle, and upper back pain, which may be debilitating, associated with abduction and overhead activities. Accurate diagnosis and detection depend on appreciation on comprehensive physical examination. Although most cases resolve nonsurgically, surgical treatment of scapular winging has been met with success. True incidence is largely unknown because of under diagnosis. Most commonly it is categorized anatomically as medial or lateral shift of the inferior angle of the scapula. Primary winging occurs when muscular weakness disrupts the normal balance of the scapulothoracic complex. Secondary winging occurs when pathology of the shoulder joint pathology. Delay in diagnosis may lead to traction brachial plexopathy, periscapular muscle spasm, frozen shoulder, subacromial impingement, and thoracic outlet syndrome. Anatomy and Biomechanics Scapula is rotated 30° anterior on the chest wall; 20° forward in the sagittal plane; the inferior angle is tilted 3° upward. It serves as the attachment site for 17 muscles. The trapezius muscle accomplishes elevation of the scapula in the cranio-caudal axis and upward rotation. The serratus anterior and pectoralis major and minor muscles produce anterior and lateral motion, described as scapular protraction. Normal Scapulothoracic abduction: As the limb is elevated, the effect is an upward and lateral rotation of the inferior pole of scapula. Periscapular weakness resulting from overuse may manifest as scapular dysfunction (ie, winging). Serratus Anterior Muscle Origin From the first 9 ribs Insert The medial border of the scapula. -
The Erector Spinae Plane Block a Novel Analgesic Technique in Thoracic Neuropathic Pain
CHRONIC AND INTERVENTIONAL PAIN BRIEF TECHNICAL REPORT The Erector Spinae Plane Block A Novel Analgesic Technique in Thoracic Neuropathic Pain Mauricio Forero, MD, FIPP,*Sanjib D. Adhikary, MD,† Hector Lopez, MD,‡ Calvin Tsui, BMSc,§ and Ki Jinn Chin, MBBS (Hons), MMed, FRCPC|| Case 1 Abstract: Thoracic neuropathic pain is a debilitating condition that is often poorly responsive to oral and topical pharmacotherapy. The benefit A 67-year-old man, weight 116 kg and height 188 cm [body of interventional nerve block procedures is unclear due to a paucity of ev- mass index (BMI), 32.8 kg/m2] with a history of heavy smoking idence and the invasiveness of the described techniques. In this report, we and paroxysmal supraventricular tachycardia controlled on ateno- describe a novel interfascial plane block, the erector spinae plane (ESP) lol, was referred to the chronic pain clinic with a 4-month history block, and its successful application in 2 cases of severe neuropathic pain of severe left-sided chest pain. A magnetic resonance imaging (the first resulting from metastatic disease of the ribs, and the second from scan of his thorax at initial presentation had been reported as nor- malunion of multiple rib fractures). In both cases, the ESP block also pro- mal, and the working diagnosis at the time of referral was post- duced an extensive multidermatomal sensory block. Anatomical and radio- herpetic neuralgia. He reported constant burning and stabbing logical investigation in fresh cadavers indicates that its likely site of action neuropathic pain of 10/10 severity on the numerical rating score is at the dorsal and ventral rami of the thoracic spinal nerves. -
Comparing the Injectate Spread and Nerve
Journal name: Journal of Pain Research Article Designation: Original Research Year: 2018 Volume: 11 Journal of Pain Research Dovepress Running head verso: Baek et al Running head recto: Ultrasound-guided GON block open access to scientific and medical research DOI: http://dx.doi.org/10.2147/JPR.S17269 Open Access Full Text Article ORIGINAL RESEARCH Comparing the injectate spread and nerve involvement between different injectate volumes for ultrasound-guided greater occipital nerve block at the C2 level: a cadaveric evaluation In Chan Baek1 Purpose: The spread patterns between different injectate volumes have not yet been investigated Kyungeun Park1 in ultrasound-guided greater occipital nerve (GON) block at the C2 level. This cadaveric study Tae Lim Kim1 was undertaken to compare the spread pattern and nerve involvements of different volumes of Jehoon O2 dye using this technique. Hun-Mu Yang2,* Materials and methods: After randomization, ultrasound-guided GON blocks with 1 or 5 mL dye solution were performed at the C2 level on the right or left side of five fresh cadavers. The Shin Hyung Kim1,* suboccipital regions were dissected, and nerve involvement was investigated. 1 Department of Anesthesiology and Results: Ten injections were successfully completed. In all cases of 5 mL dye, we observed the Pain Medicine, Anesthesia and Pain Research Institute, Yonsei University deeply stained posterior neck muscles, including the suboccipital triangle space. The suboccipital College of Medicine, Seoul, Republic and third occipital nerves, in addition to GONs, were consistently stained when 5-mL dye was 2 of Korea; Department of Anatomy, used in all injections (100%). Although all GONs were successfully stained in the 1-mL dye Yonsei University College of Medicine, Seoul, Republic of Korea cases, three of five injections (60%) concomitantly stained the third occipital nerves. -
How to Perform a Transrectal Ultrasound Examination of the Lumbosacral and Sacroiliac Joints
DIAGNOSTIC IMAGING How to Perform a Transrectal Ultrasound Examination of the Lumbosacral and Sacroiliac Joints Erik H.J. Bergman, DVM, Diplomate ECAR, Associate Member LA-ECVDI*; Sarah M. Puchalski, DVM, Diplomate ACVR; and Jean-Marie Denoix, DVM, PhD, Agre´ge´, Associate Member LA-ECVDI Authors’ addresses: Lingehoeve Veldstraat 3 Lienden 4033 AK, The Netherlands (Bergman); Uni- versity of California, Davis, One Shields Avenue, School of Veterinary Medicine, Davis, CA 95616 (Puchalski); E´ cole Nationale Ve´te´rinaire d’Alfort, 7 Avenue du Ge´ne´ral de Gaulle, 94700 Maisons- Alfort, France (Denoix); e-mail: [email protected]. *Corresponding and presenting author. © 2013 AAEP. 1. Introduction have allowed for identification of these structures 5 There is increasing interest in pathology of the and the inter-transverse joints. These authors urge lumbosacral and sacroiliac joints giving rise to stiff- caution in the interpretation of lesions identified on ness and/or lameness and decreased performance radiography in the absence of other diagnostic im- in equine sports medicine.1–3 Pain arising from aging and clinical examination. Nuclear scintigra- these regions can be problematic alone or in con- phy is an important component of work-up for junction with lameness arising from other sites sacroiliac region pain, but limitations exist. Sev- 9,10 (thoracolumbar spine, hind limbs, or forelimbs).4 eral reports exist detailing the anatomy and tech- Localization of pain to this region is critically impor- nique findings in normal horses11,12 and findings in tant through clinical assessment, diagnostic anes- lame horses.13 Patient motion, camera positioning, thesia, and imaging. and muscle asymmetry can cause errors in interpre- In general, diagnostic imaging of the axial skele- tation. -
Suggested Osteopathic Treatment.Pdf
Suggested Osteopathic Treatment of Respiratory Diseases Processes Region Biomechanical Model Neurological Model Cardio/Resp Model Metabolic Model Behavioral Model Sample Techniques Head/OA Improve motion CN X - Improve Parasympathetic innervations affect Improve CSF flow (part Reduces anxiety associated with Sub-occipital release; OA decompression; parasympathetic balance heart rate; Improve PRM of PRM) contraction of disease Sinus Drainage (if sings of URI) C-Spine C3-5 Diaphragm C3-5 Diaphragm Assist lymph movement Reduces anxiety associated with Soft Tissue/Myofascial of C-spine, BLT, contraction of disease MET, Counterstrain Thoracic Improve rib cage Stellate Ganglion Lymph drainage (bolster immune Improve oxygenation Normalizes sympathetic drive thus Thoracic Outlet Release, 1st rib release, Outlet motion response) balancing somatopsychological pathways Sternum Improve rib cage Intercostal nerves Improve lymph flow (bolster immune Improve oxygenation Normalizes sympathetic drive thus Sternal/ C-T myofascial release motion response) (reduces work of balancing somatopsychological breathing) pathways Upper Scapula – improve rib Brachial plexus Improve lymph flow Normalizes sympathetic drive thus Scapular balancing, Spencer’s technique, Extremity cage function balancing somatopsychological MET, Counterstrain, Upper Extremity pathways Wobble technique Thoracic Improve rib cage Celiac, Inferior and Improve lymph flow Improve oxygenation Normalizes sympathetic drive thus Soft Tissue/Myofascial of T-spine or Spine motion superior mesenteric -
Skeletal System? Skeletal System Chapters 6 & 7 Skeletal System = Bones, Joints, Cartilages, Ligaments
Warm-Up Activity • Fill in the names of the bones in the skeleton diagram. Warm-Up 1. What are the 4 types of bones? Give an example of each. 2. Give 3 ways you can tell a female skeleton from a male skeleton. 3. What hormones are involved in the skeletal system? Skeletal System Chapters 6 & 7 Skeletal System = bones, joints, cartilages, ligaments • Axial skeleton: long axis (skull, vertebral column, rib cage) • Appendicular skeleton: limbs and girdles Appendicular Axial Skeleton Skeleton • Cranium (skull) • Clavicle (collarbone) • Mandible (jaw) • Scapula (shoulder blade) • Vertebral column (spine) • Coxal (pelvic girdle) ▫ Cervical vertebrae • Humerus (arm) ▫ Thoracic vertebrae • Radius, ulna (forearm) ▫ Lumbar vertebrae • Carpals (wrist) • Metacarpals (hand) ▫ Sacrum • Phalanges (fingers, toes) ▫ Coccyx • Femur (thigh) • Sternum (breastbone) • Tibia, fibula (leg) • Ribs • Tarsal, metatarsals (foot) • Calcaneus (heel) • Patella (knee) Functions of the Bones • Support body and cradle soft organs • Protect vital organs • Movement: muscles move bones • Storage of minerals (calcium, phosphorus) & growth factors • Blood cell formation in bone marrow • Triglyceride (fat) storage Classification of Bones 1. Long bones ▫ Longer than they are wide (eg. femur, metacarpels) 2. Short bones ▫ Cube-shaped bones (eg. wrist and ankle) ▫ Sesamoid bones (within tendons – eg. patella) 3. Flat bones ▫ Thin, flat, slightly curved (eg. sternum, skull) 4. Irregular bones ▫ Complicated shapes (eg. vertebrae, hips) Figure 6.2 • Adult = 206 bones • Types of bone