Dr Firstenberg Introduction

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Join Dr. Scott Werden for the most recent in his The Anatomy of Thoracic Outlet Syndrome series as he discusses The Anterior Scalene Muscle and why it is the key to understanding TOS. Live participant Q A. • https://www.toseducation.org/video-op... • https://www.tosmri.com/thoracic-outle... • thoracic outlet syndrome symptoms • thoracic outlet syndrome test • thoracic outlet syndrome • thoracic outlet syndrome exercises • thoracic outlet syndrome specialist • don't guess with tos • the tos guy • do I have thoracic outlet syndrome • do I have TOS • thoracic outlet syndrome education • Understanding anatomy is the key to understanding TOS • Abnormal anatomy causes or contributes to compression of the vital structures in the thoracic outlet. As a result, patients experience the symptoms of TOS. While the anatomy of the thoracic outlet is complex, understanding the anatomy enables understanding of TOS. We can strive to understand the structures that cause compression as well as the structures that become compressed. • We can categorize the essential anatomy into these categories: • Anatomy of the spine • Anatomy of a nerve • Anatomy of the brachial plexus • Anatomy of the thoracic outlet • Anatomy of the spine • The spine supports our body weight while allowing flexibility in multiple directions. • The vertebral body is the basic building block of the spine. Vertebral bodies (also known as vertebrae) are stacked one upon the other from the skull to the pelvis. The vertebral bodies support our body weight. • Between each vertebral body lies an intervertebral disc. Each disc is firmly attached to the vertebral body above it and to the body below it. The disc has a fibrous outer layer that stabilizes each vertebral body to the next. The center of each disc contains a jelly-like substance that absorbs impacts from walking, jumping and other movement. The flexible discs allow movement in multiple directions: • Flexion and extension: Forward and backward bending • Lateral bending: Side to side bending • Rotation: Side to side twisting • Vertebral bodies and intervertebral discs • The spine comprises five anatomic regions, from top to bottom: • Cervical spine: The neck • Thoracic spine: The mid-back; twelve paired ribs arise from the thoracic spine, forming the rib cage • Lumbar spine: The low back • Sacral spine: The base of the spine; joins the pelvis to the spine • Coccyx: The tailbone; in humans, the coccyx represents a vestigial tail • Spine anatomy regions • Each region of the spine has a different number of vertebral bodies: • Cervical spine-seven segments, numbered C1 (‘Cervical’ 1) through C7 • Thoracic spine-twelve segments, numbered T1 (‘Thoracic’ 1) through T12; each body has a rib on each side • Lumbar spine-five segments, numbered L1 (‘Lumbar’ 1) through L5 • Sacral spine-five segments, numbered S1 (‘Sacral’ 1) through S5; these segments are fused together into one bone in adults, which articulates with the pelvis on each side. • Coccyx-three to five segments, with variable degrees of fusion in the adult; usually referred to as a single unit rather than separate vertebrae. • A bony arch arises from the back of each vertebral body. These arches line up to form a flexible bony tunnel, the spinal canal. The spinal canal runs from the base of the skull to the pelvis, and it contains and protects the spinal cord. At each spinal level, a nerve leaves the spinal cord on each side. Each nerve exits the spinal canal through a tunnel between the bony arches to reach the body or extremities. This tunnel is called a neural foramen. • On the back and sides of each arch, bony protrusions arise, which allow for attachments of the numerous muscles that stabilize and move the spine. • ~-~~-~~~-~~-~ • Please watch: (1610) NeoVista® MRI for Thoracic Outlet Syndrome: What makes it different? • • NeoVista® MRI for Thoracic Outlet Syn... • ~-~~-~~~-~~-~

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