Specifically, sacrococcygeal dysgenesis (defective development) is a dominant trait, while thoracic hemivertebra (chest half-vertebra) of German shorthaired pointers is a recessive trait. It is made up of five distinct vertebrae, which are the largest of the vertebral column. There are eight. Vertebra L5 is the most common site of spondylolysis and spondylolisthesis. Hemivertebra is a type of vertebral anomaly that results from a lack of formation of one half of a vertebral body. vertebrae [L. Loss of bladder and bowel control is another indicator that the injury has compromised the spinal cord. T1 connects to the first rib with costovertebral joints. This diagnostic approach uses data derived from the second (C2), third (C3), and fourth (C4) cervical vertebrae, as visualized in a two-dimensional lateral. These. Hence meaning 1. The lumbar region is situated between the thoracic, or chest, region of the spine, and the sacrum. You should seek medical help if. A dermatome is a specific area of skin that is supplied by the dorsal root fibers of a spinal nerve. Ligaments connect bones to bones; tendons connect muscles to bones. The most common type of compression fracture is the wedge fracture. This condition occurs in the womb. The. A small incision will be made to access your spine. These bones are below the cervical and thoracic vertebrae but above the sacrum or pelvis. The first seven vertebra are called your cervical vertebrae, with C1 being closest to the base of your skull, and C7 being the last vertebra in this section. The spine has 5 lumbar vertebrae(L1-L5) supporting the body weight. ] Any of the 33 bony segments of the spinal column: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal vertebrae. The most common type of vertebral fracture is called a compression fracture. If the. You may experience symptoms such as poor. Muscle weakness or heaviness in your arms or legs. The body is the anterior portion of each vertebra and is the part that supports the body weight. Between each vertebra is an intervertebral disc, which helps provide shock absorption and protect the. The Lumbar Spine. They have backbones and are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone. Most spinal fractures are caused from injury or trauma from car accidents, falls, sports or some sort of high velocity impact. Structure a Reflection of Function [edit | edit source]determine that an isolated vertebra is a middle trunk UF14444, UF18396, UF32545, UF32557, UF35130, specimen of an adult individual, the most diagnostic of UF37513, UF41510, UF53428, UF56113, UF99060); and all the trunk vertebrae even though these too exhibit some Sistrurus miliarius (Zooafchaeology: Z1301, Z1780; variation. Dosage and Method of Administration. Vertebra prominens Position of C7 shown in red. When viewed from the side, the shape looks more triangular. The lumbar motion segments may be affected by congenital (birth-related), degenerative, traumatic, or inflammatory disorders. Movements. These lumbar vertebrae (or lumbar bones) contain spinal cord tissue and nerves which control communication between the brain and the legs. As with other spinal vertebrae, the T8 primarily protects and encases the spinal cord. They are relatively rare, typically benign (noncancerous) and represent a small percentage of spinal tumors. The delicate structure of the cervical spine, which houses the spinal cord, is very strong and flexible. C1 fractures: a review of diagnoses, management. The paired. 2. Most thoracic spine fractures are due to accidents, such as an automobile accident, a fall or sports injury. The vertebra prominens, or C7, has a distinctive long and prominent spinous process, which is palpable from the skin surface. You can shorten your recovery by maintaining a proper lifestyle and cooperating with your doctor. Faz parte do esqueleto axial e se estende desde a base do crânio até a ponta do cóccix. LSTVs include sacralization of the lowest lumbar vertebral body and lumbarization of the uppermost sacral segment. Bird - Skeleton, Flight, Feathers: The avian skeletal system is notable for its strength and lightness. The recovery time for C5-C6-C7 neck treatments is about 4 to 6 weeks. The lumbar vertebra consists of five larger vertebrae. Parts of a Typical Vertebra. These may cause damage to the spinal cord. The vertebral column is part of the axial skeleton. It is part of the axial skeleton and extends from the base of the skull to the tip of the coccyx. Each vertebra has a large hole (vertebral foramen) for the spinal cord to pass through. These nerves are integral to the PNS because they control motor, sensory, and autonomic functions between the spinal cord and the body. The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of axial forces. In vertebrates, thoracic vertebrae compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. In rare cases when 3 months of treatments have not reduced the pain, or if a spinal instability threatens the spinal cord or a nerve root, surgery may be indicated. Mayo Clinic does not endorse companies or products. Bones of the face. The use of an artificial disk to replace your natural cervical disk is a new type of. A typical vertebra consists of a ventral. The human backbone is a column of 33. epicranius. Nerves branch out. The principal movements permitted by the vertebral column are: flexion (bending forward), extension (bending backwards), lateral flexion (bending right/left), and rotation (torsion/twisting). Spinal fusion is a surgical procedure used to correct problems with the small bones in the spine (vertebrae). [1] In humans, there are twelve thoracic vertebrae and they are intermediate in size between the cervical and lumbar. Your thoracic spine consists of 12 vertebrae, labeled T1 through T12. Superior view of the vertebral foramen. The cervical spine is mainly involved in supporting the weight of the head. They are cartilaginous joints that allow for. ) [3] are deuterostomal animals with bony or cartilaginous axial endoskeleton — known as the vertebral column, spine or backbone — around and along the spinal cord, including all fish, amphibians, reptiles, birds and mammals. The first vertebra, called C1 or atlas, can be found at the base of your skull and is responsible for holding your head upright. When viewed from the side, the spine has an S-shape. A brace may decrease your pain, and help your vertebrae heal. When a bone bursts through the skin and the underlying bone, a burst fracture. The irregularly shaped bones form the roughly S-shape of the spinal cord. Neck pain that’s getting worse. Your spine is an important bone structure that supports your body and helps you walk, twist and move. Numbered C1 to C7, there are seven cervical vertebrae. Based on this dataset, we conduct several spinal vertebrae segmentation experiments to. 4. A typical vertebra will consist of a body, a vertebral arch, and seven processes (Figure 7. Compared to the cervical and thoracic regions, the lumbar vertebral group has a larger spinal canal diameter, on average, with. The sacrum is an irregularly shaped bone, made up of a group of five fused vertebrae in the area of what is commonly known as the base of the spine. They'll slowly start to allow your vertebra to shift one way or the other. The good news is that there are a number of treatment options available that can help to reduce pain and improve quality of life. Fractured vertebrae are usually caused by osteoporosis and traumas like falls, sports. Physical Causes. Exhale and perform the chin tuck while keeping your shoulder blades moving toward each other. Each vertebra is composed of several parts that act as a whole to surround and protect the spinal cord and nerves, provide structure to the body and enable fluid movement in many planes. The 7th cervical (C7) vertebra is the largest and most inferior vertebra in the neck region. Spine Center. The idea of the word’s origin is that it meant the “hinge” of the body. The lumbar spine connects with the thoracic spine above at the thoracolumbar junction and the sacral spine below at the lumbosacral joint. The spinal roots for C1 exit the spinal column at the atlanto-occiput junction. Your thoracic spine is the middle section of your spine. Exercises can strengthen the core muscles that support your spine and prevent back injuries and pain. The C1 vertebra, aka the atlas, supports the skull at the atlanto-occipital joint (see Image. The sacral spine consists of five segments, S1 - S5, that together affect nerve communication to the lower portion of the body. Physical Description. [3]. It can be painful, but there are treatments that can help. The lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. Lumbar as L1, L2,. : vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. The vertebral column (spine or backbone) is a curved structure composed of bony vertebrae that are interconnected by cartilaginous intervertebral discs. Spinal fusion is a surgical procedure that links bones in the spinal column together to treat back problems such as herniated disks, fractures, or scoliosis. This injury causes severe pain, spine instability, and sometimes nerve compression, making daily activities difficult. Each intervertebral joint is a complex of three separate joints; an intervertebral disc joint (intervertebral symphysis) and two zygapophyseal (facet) joints. Function. The atlas is a thin ring-shaped bone that does not resemble the typical vertebrae, thus being classified as an atypical vertebra. At the back, the S1 vertebra contains a long bony prominence called the median ridge. Numbness or tingling in your arms. Vertebrate, any animal of the subphylum Vertebrata. Vertebral tumor signs and symptoms may include: Pain at the site of the tumor due to tumor growth. The C5-C6 spinal motion segment (located in the lower cervical spine just above the C7 vertebra) provides flexibility and support to much of the neck and the head above. Advertisement. The L4 and L5 are the two lowest vertebrae of the lumbar spine. The axis' defining feature is its strong odontoid process (bony protrusion) known as the dens, which rises dorsally from the. Functional Anatomy of the Lumbar Spine. The bones in the skull are crushed against each other, resulting in crush fractures. This type of fracture is typically caused by a fall or a direct blow to the spine, and can lead to severe pain and disability. Study with Quizlet and memorize flashcards containing terms like Identify the major weight bearing part of a vertebra. Blood supply to the head. A typical thoracic vertebra consists of the following: Vertebral body. The body of a vertebra is the large cylindrical mass of bone that serves as the primary weight-bearing structure throughout the vertebral column. The term 'vertebra' refers to one spinal bone. Vertebrae are the 33 individual, interlocking bones that form your spinal column. A dermatome is the area of sensory nerves near the skin that are supplied by a specific spinal nerve root. The ribs are anchored posteriorly to the 12 thoracic vertebrae. Scoliosis is determined when the curvature of the spine measures 10 degrees or greater on an X-ray. They are the largest of the unfused vertebrae, and are larger than the bones located above. Along with the sternum and ribs, the thoracic spine forms part of the thoracic cage. pulmonary embolism. Sometimes, the seventh cervical vertebra is associated with an abnormal extra rib, known as a cervical rib, which develops from the anterior root of the transverse process. The atlas (C1 vertebra) does not have a body or spinous process. at UT Southwestern Frisco 12500 Dallas Parkway, 3rd Floor. The lumbosacral joint is the joint that connects these bones. Advertising revenue supports our not-for-profit mission. The column runs from the cranium to the apex of the coccyx, on the posterior aspect of the body. At UT Southwestern, our specialists in the Spine Center provide advanced care for spine disorders, from degenerative diseases and cancer to injuries. There are 23 discs in the human spine: 6 in the cervical region (neck), 12 in the thoracic region (middle back), and 5 in the lumbar. g. Spondylolisthesis is a condition involving instability, which means the vertebrae move more than they should. The spinal column consists of cervical, thoracic, and lumbar vertebrae. There are three types of compression fractures: Wedge fracture — This fracture usually occurs in the front of the vertebra, collapsing the bone in the front of the spine and leaving the. vertebral: [adjective] of, relating to, or being vertebrae or the vertebral column : spinal. The lumbar spine is the third region of the vertebral column, located in the lower back between the thoracic and sacral vertebral segments. : vertebrae) is an irregular bone with a complex structure composed of bone and some hyaline cartilage, that make up the vertebral column or spine, of vertebrates. [2] According to one study, they have been identified in about 11% of patients at general autopsy. A cylinder of bone known as the vertebral body makes up the majority of the lumbar vertebrae’s mass and bears most of the body’s weight. bones of the face, Which bone or pair of bones forms the most superior portion of the cranium? a. Also known as the zygapophyseal or apophyseal joint, is a synovial joint between the superior articular process of one vertebra and the inferior articular process of the vertebra directly above it. Osteoporosis is the underlying cause of many lumbar fractures, especially in postmenopausal women. Brain. L1: This vertebra begins the lumbar spine after the thoracic spine ends. The vertebra initially responds to increased physical strain of such activity by gradually adding new bone cells around the stressed area of the spine. body is somewhat heart-shaped. Spinal fusion is a surgical procedure in which two or more vertebrae are permanently joined into one solid bone with no space between them. There are a good number of physical measurements which must be taken and at least 14 vertebra features looked at. A vertebra consists of a cylindrical body in front and a bony ring in the back. A typical thoracic vertebra is distinguished by its long, downward projecting spinous process. Each vertebra consists of a vertebral body in front and a vertebral arch at the back. frontal belly, occipital belly, temporal bone. It may put pressure on a nerve, which could cause lower back pain or leg pain. DISH (Diffuse Idiopathic Skeletal Hyperostosis) DISH, also known as Forestier disease, is a common disorder of unknown etiology characterized by enthesopathy of the spine and extremities, that usually presents with. Metal plates, screws or rods might hold the bones. Among all the vertebrae, the L5 lumbar vertebra is the largest. C1 and C2 form a unique set of articulations that provide a great degree of. slouched posture. 28361323. Advertising revenue supports our not-for-profit mission. The thoracic vertebrae are bones located between the cervical and lumbar vertebrae. SUMMARY: LSTVs are common within the spine, and their association with low back pain has been debated in the literature for nearly a century. The lumbar vertebrae and disks are at the bottom of your spine. Due to its high load-bearing function, the C5-C6. Pituitary gland. The vertebral column is curved, with two primary. The most common type of fracture is a wedge fracture. Figure 7. Cervical Spine. 1 Mead LB, Millhouse PW, Krystal J, Vaccaro AR. The syndrome is. A fractured spine is a medical term for breaking any of your vertebrae, the 33 bones that make up your spinal column. The spinal cord itself is about 45 cm (18 in) in men and 43 cm (17 in) long in women. Innovative, Cost-Saving Solutions Beyond the PBM Model. Prior to taking this quiz, you might want to review our vertebral column anatomy notes, or watch. Vertebral arch or neural arch (a rcus vertebrae) is made up of two pedicles, two laminae, and a spinous process. Unlike the other parts of the spine, the cervical spine has transverse foramina in each vertebra for the vertebral arteries that supply blood to the brain. These. The bones are stacked on top of each other and securely attached with a disc in between each one. Since the brain stem extends through the C1 and C2, it is extremely important to the. This occurs most often in the lower vertebrae in the thoracic spine. Red C: the joint between the prefrontal and maxilla. Spinal fusion, also called spondylodesis or spondylosyndesis, is a neurosurgical or orthopedic surgical technique that joins two or more vertebrae. There is lack of consensus and paucity of. Function. Pathology of the spine can lead to debilitating outcomes on quality of life. The neck is part of a long flexible column, known as the spinal column or backbone, which extends through most of the body. The vertebral artery delivers blood to the neck’s vertebrae, upper spinal column, the space around the outside of the skull. Anatomy and Function of the Spine. Individuals with a lumbar spinal cord injury at this level will therefore have more hip and knee movement, but may lack. Transverse process fracture. The cervical spine also allows passage of important vasculature to reach the. If. Each vertebra ( pl. Spinal Cord and Nerves. Within the different regions of the vertebral column, vertebrae vary in size and shape, but they all follow a similar structural pattern. The lumbosacral joint is the site of most movements of the lumbar spine. The Castellvi classification is used for lumbosacral transitional vertebra (LSTV): type I: enlarged and dysplastic transverse process (at least 19 mm) Ia: unilateral Ib: bilateral type II: pseudoarticulation of the tran. One type of compression fracture is the wedge when the anterior part of the vertebrae collapses creating a triangular shape. A back brace may be needed for 8 to 12 weeks. [1] Usually benign, this lesion is of vascular origin and like hemangiomas in other parts of the body usually involves a proliferation of normal capillary and venous structures. It is the most delicate of all the 7 cervical vertebrae and lacks a vertebral body and spinous process. There are many types of spinal fusion and. function in muscle anchorage. The collapsed vertebra can put pressure on the spinal cord and nerves, causing pain, numbness, and weakness. 'Vertebrae' is the plural form of the word. , The sella turcica is a part of the _____ bone and houses the _____ gland. The transversospinalis muscles group runs obliquely and medially from the transverse process of the vertebra below to the spinous process, filling the groove on either side of the spinous. Fractures of the cervical spine are a leading cause of mobility and mortality in trauma patients, and a bone fracture is associated with. Cervical fractures are most often caused by a forceful impact or traumatic blow to the head. The C4 vertebra is located in the neck region of the spinal column, just above the thoracic vertebrae. Others may have back and leg pain that ranges from. 5. Lumbar spinal nerves carry sensory and motor information to the lower body. ; The second cervical vertebrae (C2) is known as the axis. This often happens to the front of the vertebrae but not the back, causing you to stoop forward over. See Lower Back Pain Symptoms, Diagnosis, and Treatment. ; Osteoporotic spinal fractures are unique in that they may occur without apparent trauma. Most experts believe that pain relief is achieved through mechanical support and stability provided by the bone cement. This helps each. The spinal nerves are the body’s major nerves within the peripheral nervous system (PNS). The atlas (C1 vertebra) differs from the other cervical vertebrae in that it does not have a body, but instead consists of bony ring formed by the anterior and posterior arches. The vertebral column is divided into five regions and consists of 33 vertebrae interlaced by strong joints and ligaments . The spinal cord in this region has protection from five durable and mobile vertebrae (L1-L5) that allow for the dispersion of axial forces. The cylindrical body of the vertebra is a stacking agent; in other words, the spinal column is made up of the 24 vertebrae, which are stacked one on top of the other. 2. What is the T3 Vertebra? The T3 vertebra is the third segment of the twelve thoracic vertebrae. Using x-ray guidance, a small needle containing specially formulated acrylic bone cement is injected into the collapsed vertebra. reduced range of motion. Cervical Spine. As compression fractures generally result in a loss of height of the vertebral body, restoring that height is the goal of surgical treatment. Anterior components of the typical cervical vertebra 1: body. discomfort when sitting. Your spine is made up of bones called vertebrae that are stacked on top of each other. Supination is the motion that moves the ______________. For the most part, the spinal nerves exit the vertebral canal through the intervertebral foramen below their corresponding vertebra. The lowest lumbar vertebra is situated just above the sacrum, or triangular bony plate that extends from the hip line to the middle of the buttocks. Vertebral hemangiomas are observed throughout any age, although most are diagnosed in people within their 50s alongside a higher presence in females with a 1:1. See moreVertegra 24MG x 100’s. The L1 vertebra is the lowest vertebra in the lumbar spine. The ribs are classified as true. The atlas (C1 vertebra) differs from the other cervical vertebrae in that it does not have a body, but instead consists of bony ring formed by the anterior and posterior arches. Anatomy Explorer. It is shaped like an upside-down triangle and sits at the bottom of the spinal column, connecting it to the pelvis. vertebrae definition: 1. The meninges. The spine is extremely flexible, so that notion makes sense. See Bone Spurs (Osteophytes) and Back Pain Osteophytes in the spine are a normal sign of aging and can be associated with conditions such as degenerative disc disease, osteoarthritis, spinal stenosis, and others. Something went wrong. Let’s take a tour of the five main vertebrate groups alive today: the fishes, amphibians, reptiles, birds, and. The facet joints are situated between the pedicle and lamina of the same vertebra and form. Its most characteristic feature is the prominent superior projection known as the dens axis, or odontoid process. Your thoracic spine consists of 12 vertebrae, labeled T1 through T12. This bony structure helps protect the internal viscera –. The breaks happen in the vertebral body, which is the thick, rounded part on the front of each vertebra. The skeletal system of the horse is a skeletal system of a horse that has three major functions in the body. The vertebral column (spine) defines the animal subphylum Vertebra, or vertebrates, of the phylum Chordata. The vertebra prominens, or C7, has a distinctive long and prominent spinous process, which is palpable from the skin surface. It is slightly larger than the T1 vertebra, but smaller than the T3 vertebra. Infections of the spine. Study with Quizlet and memorize flashcards containing terms like. Early symptoms of ankylosing spondylitis might include back pain and stiffness in the lower back and hips, especially in the morning and after periods of inactivity. But, there is no transverse foramen present in the seventh cervical vertebra of a dog. Study with Quizlet and memorize flashcards containing terms like Which of the following bones are part of the axial skeleton? a. Together, these vertebrae keep the spinal cord shielded inside a bony tunnel called the spinal canal. The lumbar cord is situated between T9 and T11 vertebrae. Tweet. Cervical spinal cord injury. Function. the spinous process is long and slender and projects downward and backward. One lumbar vertebra that may be considered atypical. The vertebra is separated by an intervertebral disc, which is absent between C1-C2. Back pain, often radiating to other parts of your. 83K Followers, 1 Following, 52 Posts - See Instagram photos and videos from VERTABRAE (@vvertabrae)The cervical vertebral maturation (CVM) method is used to determine the craniofacial skeletal maturational stage of an individual at a specific time point during the growth process. One of the most common noninfectious causes of. Then I will go through the detailed description of every bone. ), authorized by Malta Financial. intertubercular lamella of the transverse process. The tumors may affect your spinal cord or the nerve roots, blood vessels, or bones of your spine. There is a varying degree of slippage of the body of one vertebra relative to the adjacent vertebra, owing to ligamentous injury and the jumped facets, with, therefore, a high predisposition for injury to the spinal cord. Vertebrate - Wikipedia. Vertebral Column Anatomy Quiz. Cervical vertebral compressive myelopathy (CVCM or CVM) is a developmental defect of the vertebrae in the neck (cervical vertebrae) that causes narrowing of the spaces in the spine. In the majority of cases, kyphosis causes few problems. It connects to the base of the skull, forming the atlanto-occipital joint. Spinal nerve pain from C7 may be treated with steroid injections in the epidural space, around the C7 nerve itself, or injections into the facet joint of the C6 and C7 vertebrae. anterior and posterior tubercle of the transverse process. True. The vertebral column is divided into five regions and. A cervical spinal cord injury is an injury to your cervical vertebrae. Generally, the spinal bones are larger and heavier the further down they are located. Malignant tumors may also originate in the. A compression fracture of the L1 vertebra can cause pain in the lower back and may. Most compression fractures of the L1 vertebra occur in older adults. The main symptoms of spondylolisthesis include:The thoracic spine is the second segment of the vertebral column, located between the cervical and lumbar vertebral segments. Compression fractures of the spine generally occur from too much pressure on the vertebral body. The goal of the procedure is to relieve back pain while maintaining more normal motion than is allowed with some other procedures, such as spinal fusion (which aims. These include two superior articular processes, two inferior articular processes, two transverse processes, and a spinous process. The body is divided into trunk and tail regions. Though these approaches may temporarily relieve the symptoms, cysts may reform or refill, resulting in further discomfort. 23). These discs allow the spine to move freely and act as shock. Thoracic back pain may be caused by an underlying condition. Figure 7. Vertebra definition: . 3. You know, in every skeleton, there are axial and appendicular parts. This activity reviews the etiology. Since it is not a vertebrae, C8 is also labeled as the cervical spinal nerve 8. While the L3-L4 motion segment is less likely to be injured compared to its lower counterparts, it may be subject to degeneration. Conservative treatment may include rest, anti-inflammatory medications, painkillers, steroid injections and drainage. While innervation can vary from person to. Connecting them prevents movement between them. Inner and middle ear. Spinal anatomy. Collarbone (Clavicle) Fractures: A Guide to Recovery After Surgery • 104 - 3551 Blanshard St. The dens forms a joint with the C1 vertebra and facilitates its turning motions, thereby allowing the head to turn in different directions. The L3-L4 spinal motion segment, positioned in the middle of the lumbar spine, plays an important role in supporting the weight of the torso and protecting the cauda equina (nerves that descend from the spinal cord). 閩東語 / Mìng-dĕ̤ng-ngṳ̄. Products and services. The cervical spine is a dynamic structure tasked with protecting nervous innervation to the entire body while also maintaining a range of motion for the head and neck. C5 Spinal Vertebra Defined. The two transverse processes of each vertebra function as the site of attachment for muscles. Compression fractures are typically diagnosed by lateral radiography of the vertebral column, with or without anteroposterior views. Each thoracic spinal nerve is named for the vertebra above it. The best way to prevent osteoporosis is by doing regular weight-bearing. humans and other great apes) since Nacholapithecus (a Miocene hominoid ), [1] [2] the coccyx is the remnant of a. Congenital vertebral anomalies include alterations of the shape and number. Therapeutic Class. First, I would like to provide you the most important and exceptional osteological features of pig skeleton anatomy. Share. Vertebroplasty is a procedure in which a special cement is injected into a fractured vertebra — with the goal of relieving your spinal pain and restoring your mobility. X-rays will most likely be taken on a monthly basis to monitor the. The neck is part of a long flexible column, known as the spinal column or backbone, which extends through most of the body. The atlas is the first vertebra of the vertebral column, located in the most superior portion of the cervical region of the vertebral column. Klippel–Feil syndrome (KFS), also known as cervical vertebral fusion syndrome, is a rare congenital condition characterized by the abnormal fusion of any two of the seven bones in the neck (cervical vertebrae). The cervical spine performs several crucial roles, including: Protecting the spinal cord. The intervertebral discs are approximately 7-10 mm thick and 4 cm in. Watch Cervical Spinal Cord Anatomy Animation. It can occur in any of the structures that make up your back, including the discs, bones, joints, ligaments, muscles, nerves and more. It is within this region that the nerves to the arms arise via the brachial plexus, and where the cervical plexus forms providing innervation to the diaphragm among other structures. Vertebrates are animals that have a backbone inside their body. Vertebrae are boneslocated within the vertebral column. Treatment for spinal fractures depends on the type. Burst Fracture occur when the vertebrae are crushed by forces such as a car accident. If your muscles get fatigued, they can lose some of their ability to keep your spine in alignment.