ADVERTISEMENT: Radiopaedia is free thanks to our supporters and advertisers. Linea Aspera & Greater Trochanter. The linea aspera is one of the distinguishable marks of the femur [1, 2]. Linea alba. I = Linea Alba A = Compresses abdomen . View Anatomie Slides.pptx from FIS 1601 at University of South Africa. Egle Pirie Kenhub. Most nutrient foramina were observed in middle third of the bone that too on linea aspera. An epigastric hernia occurs in the upper midline through the fibres of the linea alba (Fig. The linea aspera (Latin: rough line) is a ridge of roughened surface on the posterior surface of the shaft of the femur. Piriformis 1. superficial-to-superficial, deep-to-deep) of corresponding muscles (e.g. Medical definition of linea aspera: a longitudinal ridge on the posterior surface of the middle third of the femur. Linea alba (abdomen), fibrous structure that runs down the midline of the abdomen. Los músculos que se insertan en esta zona del fémur son aquellos que Standring, S. (2016). Steady femoral head in acetabulum. Epigastric Hernia. Patellar Tendon, Patellar Ligament, Tibial Tuberosity. Learning anatomy is a massive undertaking, and we're here to help you pass with flying colours. Aching sensation (radiates into the area of the hernia) 3. Action - Extends leg at knee, stabilizes knee. Read more. It is also an attachment site for several structures and muscles: A few tendinous structures in the surrounding area have fibers which blend with the linea alba: Grounded on academic literature and research, validated by experts, and trusted by more than 1 million users. Rectus abdomnis Internal oblique Stemomastoideus Pectora/is major Pectora/is minor {"url":"/signup-modal-props.json?lang=us\u0026email="}, {"containerId":"expandableQuestionsContainer","displayRelatedArticles":true,"displayNextQuestion":true,"displaySkipQuestion":true,"articleId":38681,"mcqUrl":"https://radiopaedia.org/articles/linea-alba/questions/50?lang=us"}. Most common in men between the ages of 20 and 50 years . Check for errors and try again. Reading time: 4 minutes. Ilium Crest, Sacrum, Coccyx. Ribs 1-9. Kim Bengochea, Regis University, Denver, Author: Vastus Medialis. Unable to process the form. • A hernia is the abnormal exit of tissue or an organ, such as the bowel, through the wall of the cavity in which it normally resides. Arrows ←, → and ↔ in the figure legends indicate that a structure can be seen in a preceding or following section or both. Transversus Abdominis . Linea aspera is an important anatomical and surgical landmark on the shaft of femur.3 To our knowledge, limited data is available in global literature on the morphometric features of linea aspera. ADVERTISEMENT: Supporters see fewer/no ads, Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys. Interpretation of the scout image can be found in the coronal series, page 114, image #2. Steady femoral head in acetabulum. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. Introduction to the musculoskeletal system, Nerves, vessels and lymphatics of the abdomen. I: Linea alba by means of aponeurosis, pubic crest. Due to this, it is a common incision and puncture site in abdominal surgery and suprapubic bladder catheterization, respectively. Its width and thickness also vary depending on weight, age and sex - it is wider and thinner in overweight individuals, people past their 50s and women, especially those with a history of multiple advanced pregnancies. and grab your free ultimate anatomy study guide! Edinburgh: Churchill Livingstone. Linea aspera, ridge of roughened surface on the posterior aspect of the femur. Other hernias include hiatus, incisional, and umbilical hernias. Linea alba is Latin for “white line”, is a single midline tough fibrous band line in the anterior abdominal wall formed by the median fusion of the layers of the rectus sheath medial to the bilateral rectus abdominis muscles. Clinically Oriented Anatomy (7th ed.). Even though the linea alba is not a muscle, Terminologia Anatomica lists it under abdominal muscles. Edinburgh: Elsevier Churchill Livingstone. A: Extends, laterally rotates and abducts the hip The femoral artery is palpated and drawn as a landmark together with the outline of the linea semilunaris. No true pain or tenderness upon examination 4. Quadratus femoris: 1. O: Posterior gluteal line of ilium and posterior lower sacrum. Reviewer: Nerves, vessels and lymphatics of the pelvis. Rarely, the bladder herniation may also present as part of an obturator, a suprapubic (through the linea alba), an ischiorectal, or a Gironcoli hernia (through the rectus abdominus muscle) (2). The superficial fibres of the linea alba insert into the pubic symphysis. external oblique-to-external oblique) and also between different muscles (external oblique-to-internal oblique). Last reviewed: October 29, 2020 The linea alba (Latin for white line) is a single midline fibrous line in the anterior abdominal wall formed by the median fusion of the layers of the rectus sheath medial to the bilateral rectus abdominis muscles. Hernias come in a number of types. The linea Alba is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates. 42. While crossing over to the opposite side, their aponeurotic fibers interweave along the midline of the abdomen, forming the thickening known as the linea alba at the decussation. Gluteus Maximus . The linea alba is widest around the umbilicus. In turn, its deep fibres form a membranous triangular lamella posterior to the rectus abdominis muscle, which represents the posterior attachment of linea alba. Hernia types that typically have narrow necks and are at high risk for strangulation include • femoral • spigelian • linea alba • umbilical • indirect inguinal hernias. Copyright © The linea aspera (LA) is the distinctive ridge found along the posterior aspect of the femur. Pass along the pelvic brim Enter the thigh to insert at lesser trichinae of femur… It is wider above the umbilicus, separating the recti completely. Biceps Femoris . linea as´pera a rough longitudinal line on the back of the femur for muscle attachments. I = Linea aspera of femur A = Adducts, flexes, extends and medially rotates thigh . Quadratus lumborum 1. [physio-pedia.com] Diastasis recti occurs in the last trimester of pregnancy and commonly presents in post partum moms. Groin hernias are most commonly of the inguinal type but may also be femoral. Linea alba attaches to the xiphoid process of the sternum and the pubic symphysis. Lines #1–16 indicate planes of sectioning in the following axial MR series. The defect is seen approximately midline above the umbilicus in the linea alba. Spermatic cord in inguinal canal →. The anterior sheath is incised lateral to the linea alba … Lateral rotation of the thigh 2. Register now Linea alba, pubic tubercle, anterior half of iliac crest Ventral rami of six inferior thoracic nerves Compresses and supports abdominal viscera, flexes and rotates trunk Superior and inferior epigastric arteries Abdominal wall Internal oblique Thoracolumbar fascia, anterior 2/3 of Multiple hernias may be present. linea ni´gra the linea alba when it has become pigmented in pregnancy. Pyramidalis Tenses linea alba. However, this demarcation may not be easily felt inferior to the umbilicus. Characteristics of asymptomatic hernias are as follows: 1. linea alba: draws the linea alba inferiorly: subcostal nerve: subcostal a., inferior epigastric a. the pyramidalis m. is not always present: quadratus lumborum: posterior part of the iliac crest and the iliolumbar ligament: transverse processes of lumbar vertebrae 1-4 and the 12th rib: laterally bends the trunk, fixes the 12th rib the abdominal viscera . Morphometric features of Linea aspera on dry femur bones. This structure fans out to insert into the pubic crests on both sides. [epochphysicaltherapy.com] Use left fingers to feel the width of gap. front 40. Styloid Process of radius. © 2003 by Saunders, an imprint of Elsevier, Inc. 2 fingers wide: No diastasis is present. 2021 Hip anatomy. LINEA ALBA FEMORAL ARTERY FEMORAL VEIN SARTORIUS GRACILIS SUPERFICIAL INTERNAL OBLIQUE RECTUS FEMORIS VASTUS MEDIALIS ADDUCTOR FEMORIS SEMIMEMBRANOSUS DEEP Ventral view of the superficial and deep musculature of the cat. Gray's Anatomy (41tst ed.). back 40. Lateral rotation of the thigh, 2.Abduction of the flexed thigh @ hip joint 3. Paraumbilical herniae can occur through the linea alba. Prevalence is estimated at 0.5-10%, accounting for between 1.6-3.6% of all abdominal hernias . T1-T6, C4-C7 Vert. They are typically secondary to raised chronic intra-abdominal pressure, such as with obesity, pregnancy, or ascites. Read more. - Pyramidalis, internal oblique, external oblique and transversus abdominis muscles, - Parietal peritoneum via extraperitoneal connective tissue. On these 252 3T MRI images over 340 anatomical structures were labeled. Linea alba (cheek), horizontal streak on the mucosal surface of the cheek. Clinical Presentation An adult is considered to have a diastasis recti abdominis when they present with an 'abnormal' inter-rectus distance. Philadelphia, PA: Lippincott Williams & Wilkins. Linea nigra, dark vertical line that appears on … Anatomy and human movement: structure and function (6th ed.). O: thoracolumbar fascia, anterior 2/3 of the iliac crest, lateral 2/3 of the inguinal ligament I: lower 3 or 4 ribs, linea alba, pubic crest A: flexes and laterally bends the trunk Greater Trochanter of Femur. Palastanga, N., & Soames, R. (2012). 1). Lateral epicondyle of humerus. The umbilicus is located slightly inferior to the midpoint of the linea alba, separating the latter into two halves: a wider, supraumbilical part and a thinner, infraumbilical part. The linea alba is a fibrous, midline raphe between the rectus muscles. The umbilicus passes through the linea alba. A: Acts like a girdle to flatten the abdominal wall and compress. Most commonly they involve the abdomen, specifically the groin. and Thigh. It extends between the inferior limit of the sternum and the pubis, separating the rectus abdominis muscles. Origin - Linea alba of femur. In addition, the various aponeurotic layers (superficial, intermediate, deep) are also intertwining between them. Linea alba originates from the tip of the xiphoid process of the sternum and extends inferiorly along the midline of the whole abdomen. Steady femoral head in acetabulum. Anterior surface of medial border of scapula. © 2003 by Saunders, an imprint of Elsevier, Inc. Figure 1 shows the linea aspera of the FEMUR Bone What is Linea Aspera? Our engaging videos, interactive quizzes, in-depth articles and HD atlas are here to get you top results faster. The hip anatomy on 3T MR and 3D pictures. Origin: ischial tuberosity and linea aspera of femur Insertion: proximal head of fibula, lateral condyle of tibia Action: flexion at knee; extends thigh, laterally rotates leg Interesting, but not explained, is the fact that the majority of femoral hernias are on the right side (3, 10). “I would honestly say that Kenhub cut my study time in half.” linea as´pera a rough longitudinal line on the back of the femur for muscle attachments. linea ni´gra the linea alba when it has become pigmented in pregnancy. Formed by aponeuroses of external oblique, internal oblique and transversus abdominis. Linea alba The biggest aponeurosis of the body, it is a fibrous band stretching from the xiphoid process to the symphysis pubis. It’s because the linea alba is formed by the interlacing aponeuroses of three vertical abdominal muscles: external oblique, internal oblique and transversus abdominis muscles. Linea alba. Hernias may be detected on routine physical examination, or patients with hernias may present because of a complication associated with the hernia. Swelling or fullness at the hernia site 2. Mobiliser Gastrocnemius Origin LH: L aspect of L condyle of femur MH: Popliteal surface of femur S to M condyle Insertion P – A transverse skin paddle is outlined in the periumbilical region centered on the course of the rectus abdominis muscle. It is the site of attachments of muscles and the intermuscular septum. The aponeuroses of internal oblique, external oblique and transversus abdominis muscles extend vertically across the anterior aspect of the abdomen. Why would that be? Origin - Greater trochanter of femur, Linea alba of femur. It attaches to the xiphoid process of the sternum and the pubic symphysis. It attaches to the xiphoid process of the sternum and the pubic symphysis. Linea alba (Latin ‘white line’) is a tendinous, fibrous raphe that runs vertically down the midline of the abdomen.It extends between the inferior limit of the sternum and the pubis, separating the rectus abdominis muscles.In leaner, more muscular individuals, it is visible externally as a longitudinal, shallow groove. Adrian Rad BSc (Hons) Linea alba separates the rectus abdominis muscles in the midline. Linea alba (Latin ‘white line’) is a tendinous, fibrous raphe that runs vertically down the midline of the abdomen. Enlarges with increasing Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. The lateral ridge of the linea aspera is very rough, and runs almost vertically upward to the base of the greater trochanter. Linea alba generally lacks blood supply and innervation, but a few small blood vessels cross to the opposite side over its anterior surface. The umbilicus passes through the linea alba. This interlacing takes place between matching layers (e.g. I: IT band and Gluteal tuberosity of Femur. It is formed by the aponeuroses of the flat muscles (external oblique, internal oblique, and transversus abdominis muscles). The linea alba is a tendinous midline raphe that extends between from the xiphoid process to the symphysis pubis and pubic crest. At the end of this module, there are 3D reconstructions of the hip joint (hip bone and femur) as a review of musculoskeletal anatomy. Read on if you would like to learn more about the anatomy, relations and function of the linea alba. In leaner, more muscular individuals, it is visible externally as a longitudinal, shallow groove. The linea alba (Latin for white line) is a single midline fibrous line in the anterior abdominal wall formed by the median fusion of the layers of the rectus sheath medial to the bilateral rectus abdominis muscles. Sign in to download full-size image This fibrous raphe has a dual insertion at the level of the pubis. Although vascular compromise is the hallmark of strangulation , Doppler ultrasound is not the most sensitive modality for demonstrating signs of strangulation. posterior left subphrenic (perisplenic) space, portal-systemic venous collateral pathways, nerve to quadratus femoris and inferior gemellus muscles, nerve to internal obturator and superior gemellus muscles. Moore, K. L., Dalley, A. F. & Agur, A. M. R. (2014). All rights reserved. Anterior abdominal muscles whose aponeuroses form the linea alba: Extraperitoneal connective tissue anchors the, The overlying membranous layer of abdominal subcutaneous tissue (. Insertion - Patella and tibial tuberosity via tendon of quadriceps femoris & patellar ligament.
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