Lower Back

Joints in the Lower Back region

20 entries

All Types 20 Muscles 32 Bones 25 Tendons 20 Ligaments 39 Nerves 20 Bursae 20 Joints 20 Vessels 20

20 entries · Joints

Joint Apophyseal Joints (Facet Joints) articulationes zygapophysiales Lower Back The facet joints (zygapophyseal joints) are paired synovial joints at each vertebral level that guide spinal… Joint Caudal Epidural Space spatium epidurale caudale Lower Back The caudal epidural space is the inferior extent of the epidural space accessed via the sacral… Joint Costovertebral Joint Complex articulatio costovertebralis complexus Lower Back Each rib articulates with the thoracic spine through two distinct synovial joints: the costovertebral joint proper… Joint Epidural Space spatium epidurale Lower Back The epidural space (extradural space) is the potential space between the dura mater of the spinal… Joint Intervertebral Disc discus intervertebralis Lower Back The intervertebral disc is a fibrocartilaginous structure between adjacent vertebral bodies consisting of a gelatinous nucleus… Joint Intervertebral Disc Joint articulatio intervertebralis Lower Back The intervertebral disc functions as an amphiarthrosis (slightly moveable joint) between adjacent vertebral bodies. The disc… Joint L3-L4 Intervertebral Disc Space spatium intervertebrale L3-L4 Lower Back The L3-L4 intervertebral disc is the middle lumbar disc level, less commonly herniated than L4-L5 and… Joint L4-L5 Intervertebral Disc Space spatium intervertebrale L4-L5 Lower Back The L4-L5 intervertebral disc is the most commonly symptomatic lumbar disc level, producing L5 nerve root… Joint Lumbar Facet Joints (Detail) articulationes zygapophysiales lumborum (detail) Lower Back The lumbar zygapophyseal joints have a sagittal orientation (superior-inferior) that allows flexion-extension while severely limiting rotation… Joint Lumbar Intervertebral Disc (L4-L5) discus intervertebralis L4-L5 Lower Back The L4-L5 intervertebral disc is the most commonly herniated disc in the lumbar spine, with the… Joint Lumbar Intervertebral Disc (L5-S1) discus intervertebralis L5-S1 Lower Back The L5-S1 disc is the most highly loaded lumbar disc, accepting the greatest mechanical stress from… Joint Lumbar Vertebral Facet Joints articulationes zygapophysiales lumborum Lower Back Lumbar facet joints face sagittally, enabling the lumbar spine's primary flexion-extension motion while resisting the rotation… Joint Lumbar Zygapophyseal Joint Space spatium articulare zygapophyseale lumbale Lower Back The lumbar zygapophyseal (facet) joint spaces are paired synovial joints between the superior and inferior articular… Joint Lumbosacral Junction (L5-S1) articulatio lumbosacralis Lower Back The lumbosacral junction is the transition zone between the mobile lumbar spine and the rigid sacrum,… Joint Posterior Epidural Space spatium epidurale posterius Lower Back The posterior epidural space lies between the posterior dura mater and the ligamentum flavum and laminae,… Joint Sacral Canal Space canalis sacralis Lower Back The sacral canal is the continuation of the spinal canal through the sacrum, containing the sacral… Joint Sacral Foraminal Space spatium foraminis sacralis Lower Back Each of the four paired sacral foramina transmits a sacral spinal nerve and associated vessels, forming… Joint Sacroiliac Joint Space spatium articulationis sacroiliacae Lower Back The sacroiliac joint has an anterior synovial cavity (the lower one-third) and a posterior fibrocartilaginous syndesmosis.… Joint Subarachnoid Space spatium subarachnoideum Lower Back The subarachnoid space is the cerebrospinal fluid-filled space between the arachnoid mater and the pia mater,… Joint Thoracic Intervertebral Disc discus intervertebralis thoracicus Lower Back The twelve thoracic intervertebral discs connect adjacent vertebral bodies from T1-T2 to T12-L1, each consisting of…

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