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Body Atlas, Joint Reference

Joints

Joint reference, type, range of motion, capsule, ligamentous support, and clinical assessment.

338 joints

338 joints

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 Lunotriquetral Joint Space articulatio lunotriquetrata Hand & Wrist The lunotriquetral joint is the articulation between the medial surface of the lunate and the lateral… Joint Manubriosternal Joint symphysis manubriosternalis Chest The manubriosternal joint is a fibrocartilaginous symphysis between the inferior margin of the manubrium and the… Joint Masticator Space spatium massetericum Head & Skull The masticator space is the bilateral deep facial space bounded by the masseter laterally, the medial… Joint Mastoid Antrum antrum mastoideum Head & Skull The mastoid antrum is the largest and most consistent mastoid air cell, communicating with the middle… Joint Medial Elbow Compartment compartimentum cubiti mediale Upper Arm The medial elbow compartment is the ulnohumeral articulation between the trochlear notch of the ulna and… Joint Medial Elbow Fat Pad Space spatium corporis adiposi medialis cubiti Upper Arm The medial elbow fat pad occupies the olecranon fossa of the distal humerus, visible on lateral… Joint Medial Epicondyle Apophyseal Space spatium apophyseos epicondyli medialis Upper Arm The medial epicondyle apophysis is a secondary ossification centre that fuses to the medial humeral metaphysis… Joint Medial Epicondyle Groove Space spatium sulci epicondyli medialis Upper Arm The medial epicondyle groove space is the osseoligamentous tunnel posterior to the medial epicondyle through which… Joint Mesenteric Root Space spatium radicis mesenterii Abdomen The mesenteric root space is the retroperitoneal region traversed by the root of the small bowel… Joint Metacarpophalangeal Joints articulationes metacarpophalangeae Hand & Wrist The metacarpophalangeal joints are the knuckle joints of the hand, condyloid joints that allow both finger… Joint Metacarpophalangeal Joints (Fingers) articulationes metacarpophalangeae digitorum Hand & Wrist The finger MCP joints are condyloid joints allowing flexion-extension and abduction-adduction. Their collateral ligaments tighten in… Joint Metatarsophalangeal Joints (Lesser Toes) articulationes metatarsophalangeae pedis Foot & Ankle The lesser metatarsophalangeal joints are stabilised by the plantar plate, collateral ligaments, and the deep transverse… Joint Metatarsophalangeal Joints 2-5 articulationes metatarsophalangeales II-V Foot & Ankle The lesser MTP joints (2-5) are the final propulsion joints of the foot, accepting 200-800% body… Joint Middle Ear Cavity cavitas tympani Head & Skull The middle ear cavity (tympanic cavity) is an air-filled space within the temporal bone between the… Joint Middle Ear Cleft cavitas tympanica Head & Skull The middle ear cleft (tympanic cavity) is the air-filled space within the petrous temporal bone between… Joint Midpalmar Space spatium mediopalmare Hand & Wrist The midpalmar space is the ulnar potential space in the deep palm, bounded medially by the… Joint Midtarsal (Chopart’s) Joint articulatio tarsi transversa (Chopart) Foot & Ankle Chopart's joint is the functional midfoot boundary, comprising the talonavicular and calcaneocuboid joints in a transverse… Joint Nasal Cavity cavitas nasi Head & Skull The nasal cavity is the air-filled space within the nose, divided by the nasal septum and… Joint Nasolacrimal Duct Space ductus nasolacrimalis Head & Skull The nasolacrimal duct is the mucosal-lined channel within the nasolacrimal canal that drains tears from the… Joint Oblique Pericardial Sinus sinus obliquus pericardii Chest The oblique pericardial sinus is the posterior pericardial recess behind the left atrium, bounded by the…

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