Anatomy of the back: spine and back muscles Author: Jana Vasković MD • Reviewer: Nicola McLaren MSc Last reviewed: November 03, 2023 Reading time: 14 minutes Recommended video: Superficial back muscles [17:28] Attachments, innervation and functions of the superficial muscles of the back. Back anatomy The muscles of the back can be arranged into 3 categories based on their location: superficial back muscles, intermediate back muscles and intrinsic back muscles.The intrinsic muscles are named as such because their embryological development begins in the back, oppose to the superficial and intermediate back muscles which develop elsewhere and are therefore classed as extrinsic muscles.
Image result for back muscles diagram Anatomia musculos, Cuerpo
Overview What are your back muscles? Your back has many different muscles. Some muscles support your spine and trunk. Others help you move your body, stand up straight and assist with breathing. Because your back muscles support so much of your weight and are responsible for so many movements, injuries to these muscles are common. Your latissimus dorsi, or lats, are the largest individual muscles in your upper back. They run down the sides of your torso and, when developed through resistance training, contribute to the. Anatomy Function Associated Conditions Rehabilitation Frequently Asked Questions Your back consists of a complex array of bones, discs, nerves, joints, and muscles. The muscles of your back support your spine, attach your pelvis and shoulders to your trunk, and provide mobility and stability to your trunk and spine. Introduction Drawing Back Muscles There are three major groups of back muscles : Superficial: attached to the shoulder girdle Intermediate: attached to the posterior thorax Deep: attached to the vertebral column, also known as the intrinsic muscle group [1]
Photo Labeled Anatomy Chart Of Male Back Muscles On White
Anatomy The back comprises the spine and spinal nerves, as well as several different muscle groups. The sections below will cover these elements in more detail. Spine The spine is composed of. Anatomy of Muscles of the Back Figure 1: Superficial Extrinsic back muscles. A. Superficial subgroup. B. Deep subgroup (trapezius and latissimus dorsi removed). Figure 2: A. Superficial intrinsic back muscles. B. Intermediate intrinsic back muscles. Figure 3: A. Intermediate intrinsic back muscles. B. The back comprises the dorsal part of the neck and the torso (dorsal body cavity) from the occipital bone to the top of the tailbone.The muscles of the back can be divided in three main groups according to their anatomical position and function. The superficial muscles participate in the movements of the upper limb, the intermediate muscles support the respiratory function, and the deep. The three deep muscles of the back include the semispinalis, multifidus, and rotatores. These muscles stabilize the vertebral column and play a role in proprioception and balance. Moreover, these muscles help with the movements of the vertebral column and maintain posture. [2] As the muscles of the back develop, they extend caudally.
Lower Back Muscles Chart Diagram Of Back Muscles Of The Human Body
Muscles of the Back Region - Listed Alphabetically. iliac crest, sacrum, transverse and spinous processes of vertebrae and supraspinal ligament. angles of the ribs, transverse and spinous processes of vertebrae, posterior aspect of the skull. supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa. The deep back muscles act together to provide support and maintain the body's posture, as well as to produce movements of the head, neck, and trunk. The main functions of these muscles are flexion, extension, lateral flexion and axial rotation of the vertebral column. All of these muscles are innervated by the segmental branches of the.
MUSCLES OF THE BACK ©2021zillmusom I. MUSCLES OF THE BACK - complex but divisible into three groups: superficial muscles are associated with the upper extremity; intermediate muscles are associated with respiration; deep muscles are associated with movements of the trunk and back (see chart for muscle names, actions and innervation). The muscles on each side form a trapezoid shape. It is the most superficial of all the back muscles. Attachments: Originates from the skull, ligamentum nuchae and the spinous processes of C7-T12. The fibres attach to the clavicle, acromion and the scapula spine. Innervation: Motor innervation is from the accessory nerve.
Diagram Back Muscles AflamNeeeak
Major Muscles on the Back of the Body Major Muscles on the Back of the Body Last Updated On October 19, 2022 by Leah Alexander, MD, FAAP Our bodies have several groups of muscles. The chart below shows the outermost layer of those on the posterior side of the body. Your lumbar spine is the lower back region of your spinal column or backbone. It consists of five bones (L1-L5). Other structures in or around your lumbar spine are your intervertebral disks, spinal cord and nerves, muscles, tendons and ligaments. Your lumbar spine supports the weight of your body and allows a wide range of body movements.
