Muscle thorax femme

The muscles of the thorax include both the diaphragm as well as the muscles of the thoracic cage. The diaphragm can be located below the lungs and consists of a sheet of skeletal muscle which displays a double-domed structure. The diaphragm is important as it separates the thoracic cavity from the abdominal cavity and therefore requires 3 openings that act as channels for structures to pass …

The deeper muscles of the back, e.g., the Serrati posteriores superiores and the Sacrospinales and their continuations, are also brought into action; the thoracic curve of the vertebral column is partially straightened, and the whole column, above the lower lumbar vertebræ, drawn backward. This increases the antero-posterior diameters of the thorax and upper part of the abdomen and widens the …

There are five muscles that make up the thoracic cage; the intercostals (external, internal and innermost), subcostals, and transversus thoracis. These muscles act to change the volume of the thoracic cavity during respiration. There are some other muscles that do not comprise the thoracic wall, but do attach to it. These include the pectoralis …

1.Thoracic Erector Spinae group ie Iliocostalis; Longissimus; Spinalis– the main extensor (backward bending) muscle of the thoracic spine, located on either side of the vertebral column. The erector spinae is most massive in the lumbar and thoracic regions. In the lumbar region, it is deep to the latissimus dorsi; in the thoracic region, it is deep to the trapezius and rhomboids. Very little …

Structure. The long thoracic nerve arises from the anterior rami of the C5, C6, and C7 cervical spinal nerve. The root from C7 may occasionally be absent. The roots from C5 and C6 pierce through the scalenus medius, while the C7 root passes in front of the muscle.. The long thoracic nerve descends through the cervicoaxillary canal.It is posterior to the brachial plexus, and the axillary artery …

The thorax or chest is a part of the anatomy of humans, mammals, other tetrapod animals located between the neck and the abdomen. In insects, crustaceans, and the extinct trilobites, the thorax is one of the three main divisions of the creature’s body, each of which is in turn composed of multiple segments. The human thorax includes the thoracic cavity and the thoracic wall. It contains organs …

Khaled Annabi Résident en médecine légale au CHU Farhat Hached Sousse, Tunisie. PROMED ANATOMIE est l’outil complet pour la maîtrise de l’apprentissage de l’…

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