Torso

Ventral trunk muscles (overview) The trunk (torso) is the central part of the body to which the • anterolateral muscles of the trunk • posterior muscles of the trunk Trunk muscles have a few very important functions; they contribute to the protection of the Key facts about muscles of the trunk Anterior thoracic muscles Pectoralis major, pectoralis minor, serratus anterior, subclavius, external intercostals, internal intercostals, innermost intercostals, subcostals, transversus thoracis, diaphragm Anterolateral abdominal wall muscles Rectus abdominis, external abdominal oblique, internal abdominal oblique, transversus abdominis, pyramidalis, quadratus lumborum Posterior superficial muscles Superficial: Latissimus dorsi, trapezius, rhomboid major and minor, levator scapulae Intermediate: Serratus posterior superior and inferior Posterior deep muscles Superficial: Spinotransversales group (splenius capitis, splenius cervicis) Intermediate: Erector spinae group (iliocostalis, longissimus, spinalis) Deep: Transversospinal muscles (semispinalis, multifidus, rotatores longus and brevis) Deepest: Interspinales, intertransversarii and levatores costarum This article will give you an overview of the torso musculature and serve you as a hub from which you can hop into more detailed topics related to trunk anatomy. [Anterolateral trunk muscles diagram] The anterior trunk muscles cover the anterolateral part of the trunk by attaching to the bony framework of the thoracic cage and A...

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The torso is the middle section of the human body. The torso includes the majority of the upper body with the exception of the head, neck, and arms. This important part of the body contains key organs and muscles. Let’s take a closer look. What Is the Torso? The torso is a central cavity of the human body that is extremely important for most of the vital functions. Both the heart and the lungs — two organs that a human cannot survive without — are located in the torso. Photo Courtesy: The Good Brigade/Getty Images With the exception of the cervical spine, the majority of the spine, which protects the spinal cord and allows a person to sit upright, is located in the torso. The torso also houses the digestive organs, which are central to breaking down food into nutrients for cells. The torso keeps the reproductive system, the set of organs responsible for making new generations of humans, safe as well. Torso Muscle Anatomy Many of the major muscle groups are located in the torso. The sternocleidomastoid muscle lies at the border of the torso, attaching the clavicle, just above the tip of the shoulders, to the temporal bone in the back of the head. This important muscle gives humans the ability to turn their necks and move their heads from side to side. The pectoralis muscles, both major and minor, lie across the shoulders and chest. This large muscle group allows people to move their arms up and down and rotate their arms. When humans breathe in deep, the pectoralis muscles ...