WebJun 20, 2016 · Rectus abdominis belongs to the anterior abdominal muscles together with pyramidalis muscle. But taking the functional anatomy into account, these two muscles comprise the anterolateral abdominal wall along with the three lateral abdominal muscles; … Transversus abdominis muscle (Musculus transversus abdominis) The transversus … The rectus sheath is a tendon sheath (aponeurosis) which encloses the rectus … The rectus abdominis muscles are a pair of long, straight muscles which run … This article will describe the anatomy and histology of the skin.. Undoubtedly, the … It is not surprising then that muscles in the abdominal region also play a role. … Origin and insertion. The rectus abdominis muscle is composed of a pair of … Abdominal external oblique muscle. Abdominal external oblique muscle: … Myotome: A group of muscles innervated by a single spinal nerve. A myotome is a … Intercostal spaces The eleven paired intercostal spaces contain the intercostal … Inguinal ligament (Ligamentum inguinale) The inguinal ligament (also ligamentum … WebJan 2, 2024 · It is located inferiorly, with its base on the pubis bone, and the apex of the triangle attached to the linea alba. Attachments: Originates from the pubic crest and pubic symphysis before inserting into the linea alba. Actions: Tenses the linea alba. Innervation: Subcostal nerve (T12). Rectus Sheath
Linea alba: Attachments, relations and function Kenhub
WebNov 4, 2024 · The rectus femoris is a long, fleshy muscle located in the anterior compartment of the thigh. The rectus femoris is fusiform in shape with superficial fibers that are bipenniform and deep fibers that run … WebJul 25, 2024 · The rectus abdominis muscle develops separately from the lateral abdominal wall musculature. The developing muscle forms myotubes, which are elongated, multinucleated collections of myoblasts. Myofilaments then form in the cytoplasm of the myotubes, followed by myofibrils and other structures which characterize striated muscle … geoffrey levy attorney
Rectus Abdominis Muscle Origin, Function & Anatomy
WebThe rectus abdominis muscle originates from the pubic crest and the symphysis pubis. From the pubic crest and symphysis pubis, the rectus abdominis extends upward and attaches to the bottom... The rectus abdominis is a very long flat muscle, which extends along the whole length of the front of the abdomen, and is separated from its fellow of the opposite side by the linea alba. Tendinous intersections (intersectiones tendineae) further subdivide each rectus abdominis muscle into a series of smaller muscle bellies. Tensing of the rectus abdominis causes the muscle to expand between each tendinous intersection. WebMar 28, 2024 · Specifically, the rectus abdominis pulls the ribs down during active expiration. Its point of origin is the pubic symphysis and pubic crest and it attaches to the xiphoid process and the 5th to 7th costal cartilages. This pair of muscles is separated by the linea alba. The diaphragm is another crucial structure which makes breathing possible. geoffrey lewis actor cause of death