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Elbow Joint-Articulatio Cubiti PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Elbow joint (articulatio cubiti)” by Dr. Anna L. Kiss.

This medical PowerPoint presentation is about the elbow joint, also known as the articulatio cubiti. The elbow joint is a complex joint that connects the upper arm bone (humerus) to the two forearm bones (radius and ulna). It is a synovial joint, which means it has a joint capsule filled with synovial fluid that lubricates the joint and reduces friction.

The elbow joint consists of three main components:

Humeroulnar joint: This joint allows the hinge-like movement of the arm, and it is formed by the articulation of the trochlea of the humerus with the trochlear notch of the ulna.
Humeroradial joint: This joint allows the arm to rotate, and it is formed by the articulation of the capitulum of the humerus with the head of the radius.
Proximal radioulnar joint: This joint allows the forearm bones to rotate around each other, and it is formed by the articulation of the head of the radius with the radial notch of the ulna.

The elbow joint is stabilized by ligaments, tendons, and muscles. The ligaments are strong bands of connective tissue that connect the bones and provide stability to the joint. The tendons attach muscles to bones and allow for movement. The muscles around the elbow joint include the biceps, triceps, brachioradialis, and brachialis, among others.

Injuries to the elbow joint can include dislocations, fractures, sprains, and strains. Treatment for these injuries can include rest, immobilization, physical therapy, and in some cases, surgery.

Tags : elbow joint, articulatio cubiti, upper arm bone, humerus, forearm bones, synovial joint, Humeroulnar joint, Humeroradial joint, Proximal radioulnar joint, Orthopaedic Surgery, Orthopaedic Surgery PowerPoint presentation

Published on : Jun 23, 2023 | Views : 2097 | Downloads : 0

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Slide 1-

Elbow joint (articulatio cubiti) Dr. Anna L. Kiss (Dr. Németh Anna) Department of Anatomy, histology and Embryology Semmelweis University Budapest 2019
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1. Structure of the joint 2. Axises, mechanisms 3. Movements 4. Muscles Elbow joint - Articulatio cubiti Bild: www.commons.wikimedia.org
Slide 3-

Articulatio cubiti
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Bony surfaces Sobotta www.en.wikipedia.org humerus (distalis epiphysis) ulna (proximalis epiphysis) radius (proximalis epiphysis)
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Articulatio cubiti: 3 joints inside of a common capsule Humeroulnar joint: hinge joint (ginglymus) 1 axis: transversal Humeroradial joint: ball-and-socket joint (articulatio spheroidea) 3 axises Does not have important function Proximalradioulnar joint: pivot joint (trochoid) 1 axis: longitudinal + Articulatio radioulnaris distalis Articulatio cubiti: trochoginglymus Sobotta Sobotta
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Joint capsule origin: anteriorly above the coronoid fossa and radial fossa posteriorly: above the olecranon fossa. medial and lateral epicondyles are out of the capsule!!!! Muscles are originating from there!!! insertion: below the coronoid process of the ulna; 1.5 cm below the articular circumference of the radius (for the pronation-supination: recessus sacciformis (sup) Sobotta Thiel fibrous layer synovial layer zsírszövet Capsule: antero-posteriorly: loose laterally:tight (collateral ligaments!)
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pars ant.; pars post.; p. Cooperi = pars transversa [lig. olecranocoronoideum] M. brachialis tapadása Ligaments: ulnar and radial collateral ligaments lateral view medial view Anterior view
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Ligaments Ulnar (medial) collateral ligament (mediale): pars anterior (band-like) pars posterior (fun-shaped) pars transversa /lig. olecranocoronoideum (Cooper) Thiel Sobotta Sobotta
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Ligaments Radial (lateral) collateral ligament: fuse with the anular ligament Thiel Sobotta Braus
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Movements of the elbow joint → „physiologiás Abductio” axis: constracted axis: caput humeri→ capitulum humeri→ tuberositas radii→processus styloideus ulnae (168,5° ) axis: transversal (radio-ulnaris) the axis of the trochlea
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Mozgások Flexio - Extensio
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Flexors: brachialis m. biceps brachii m. brachioradialis m. Extensors: triceps brachii m. anconeus m. Pronators (proximal radioulnar joint): pronator teres m. brachioradialis m. Supinators: supinator m. biceps brachii m. brachioradialis m. Hyperextension: mainly in women (max. 10°) Muscles acting on the elbow joint
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Distal radioulnar joint Sobotta
Slide 14-

Faller Braus Articulatio radio-ulnaris
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Bursitis olecrani Inflammation of the subcutaneous bursa caused by injury, autoimmun disease, infection
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Tennis elbow, golfer’s elbow Injury of extensor muscle tendons originating from the lateral epicondyle (tennis elbow), or tendons of the flexor muscles originating from the medial epicondyle (golfer’s elbow): microtrauma, injury of the periosteum, bleeding result in inflammation and pain.
Slide 17-

tennis elbow golfier’s elbow
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Nursemaid’s elbow Luxation of the head of the radius
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www.phd.lib.uni-miskolc.hu
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