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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 Elbow Common Synovial Cavity cavitas articularis cubiti communis Forearm The elbow joint is a compound synovial joint in which three articulations, the humeroulnar, humeroradial, and… Joint Elbow Joint (Humeroulnar + Radiohumeral + PRUJ) articulatio cubiti Upper Arm The elbow joint combines three articulations in one synovial cavity: the humeroulnar hinge (primary flexion-extension), the… Joint Elbow Medial Compartment compartimentum mediale articulationis cubiti Forearm The medial compartment of the elbow joint encompasses the medial part of the humeroulnar articulation, including… Joint Elbow Posterior Compartment compartimentum posterius articulationis cubiti Forearm The elbow posterior compartment is the posterior extension of the elbow synovial cavity between the olecranon… Joint Elbow Trochlear Groove Space spatium sulci trochlearis cubiti Upper Arm The trochlear groove is the central depression in the trochlea of the humerus that guides the… Joint Epidural Space spatium epidurale Lower Back The epidural space (extradural space) is the potential space between the dura mater of the spinal… Joint Epiploic Foramen foramen epiploicum (Winslowi) Abdomen The epiploic foramen (foramen of Winslow) is the communication between the lesser sac (omental bursa) and… Joint Extensor Carpi Ulnaris Groove Space spatium sulci tendinis extensoris carpi ulnaris Forearm The ECU groove space is the osseoligamentous tunnel on the dorsal aspect of the ulnar head,… Joint External Auditory Canal meatus acusticus externus Head & Skull The external auditory canal (EAC) is a curved channel approximately 2.5 cm long leading from the… Joint Femoral Arch Space spatium arcus femoralis Thigh The femoral arch space is the region beneath the inguinal ligament through which the femoral vessels,… Joint Femoral Canal canalis femoralis Thigh The femoral canal is the most medial compartment of the femoral sheath, medial to the femoral… Joint Femoral Ring anulus femoralis Thigh The femoral ring is the superior opening of the femoral canal, bounded anteriorly by the inguinal… Joint Femoral Sheath vagina femoralis Thigh The femoral sheath is a funnel-shaped fascial sleeve below the inguinal ligament formed by extensions of… Joint Femoral Triangle trigonum femorale Thigh The femoral triangle is a triangular space at the anterior upper thigh bounded superiorly by the… Joint Finger MCP Joints (Index–Little) articulationes metacarpophalangeales II-V Hand & Wrist The finger MCP joints are condyloid joints allowing flexion-extension in all positions and abduction-adduction only in… Joint First Carpometacarpal Joint articulatio carpometacarpalis pollicis Hand & Wrist The first carpometacarpal (CMC) joint is a reciprocally concavo-convex saddle joint between the trapezium and the… Joint First Metatarsophalangeal Joint articulatio metatarsophalangea pedis I Foot & Ankle The first MTP joint is the most load-bearing small joint in the body, sustaining forces up… Joint First MTP Sesamoid Joints articulationes sesamoidales metatarsophalangei primi Foot & Ankle The two sesamoid bones (tibial and fibular) beneath the first metatarsal head each form a small… Joint First Sternocostal Joint articulatio sternocostalis prima Chest The first sternocostal joint is uniquely a synchondrosis (not a synovial joint) — it fuses the… Joint First Tarsometatarsal (Lisfranc) Joint articulatio tarsometatarsalis prima Foot & Ankle The first TMT joint is the most mobile of the Lisfranc joints, allowing the hypermobility that… Joint Glenohumeral Anterior Capsular Space spatium capsulare anterius glenohumerale Shoulder The anterior glenohumeral capsular space lies between the anterior glenoid labrum and the subscapularis tendon, containing… Joint Glenohumeral Inferior Capsular Space spatium capsulare inferius glenohumerale Shoulder The inferior glenohumeral capsular space (axillary pouch) is the most capacious part of the glenohumeral joint,… Joint Glenohumeral Joint articulatio humeri Shoulder The most mobile joint in the body, trading stability for range of motion. The large humeral… Joint Glenohumeral Joint — Inferior Recess recessus axillaris articulationis humeri Shoulder The axillary (inferior) recess is the dependent fold of the glenohumeral joint capsule that unfolds during…
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