shoulder dislocation ppt

Anterior shoulder dislocation anatomy. Normally the head of the humerus remains centered in the glenoid fossa. 1,5 Posterior dislocations occur in 2% to 4% of cases, and inferior dislocations are rare. J Orthop Trauma 2012 ;26(4):246-251. JOINT DISLOCATIONS. Posterior dislocations are uncommon because the strong muscular and skeletal support prevents posterior displacement of the humeral head. Posterior (backward) dislocation occurs when the humeral head moves toward the back of the body. For example, the top of your arm bone fits into a joint at your shoulder. The shoulder is the most frequently dislocated joint owing to the shallowness of the glenoid fossa and the shoulder’s great mobility. A dislocation involves the structures of the shoulder while a subluxation usually is about the mechanical integrity of the shoulder and its supporting structures. The force required is often that of a fall or a collision with another person or object (both of which can occur during many sports). Your shoulder joint is made up of the ball of your arm bone (humerus), which fits into a cup-like socket (glenoid). Posterior dislocation of the shoulder is a rare but clinically and radiologically well-defined entity. Shoulder dislocation result in a significant amount of lost practice and game time, and has physical and psychological consequences for the athlete. 3 They may be caused by a fall on an outstretched arm, trauma to the posterior humerus, or—more frequently—trauma to the arm while it is extended, externally rotated, and abducted (eg, blocking a shot in basketball). Anterior dislocations account for 95% of all presented cases of shoulder dislocation, making them the most common type. dr. Rudi Febrianto Sp.OT JOINT DISLOCATIONS. A subluxation is an incomplete or partial dislocation. PMID: 15741636 Anterior dislocations occur in as many as 97% of cases. The shoulder is inherently unstable allowing for its large functional range of motion. For specific dislocation types please refer to the following articles: anterior shoulder dislocation (95% of shoulder dislocations) 1 This injury can be caused by sports or a fall on an outstretched arm. A dislocation may also cause ligament or nerve damage. In contrast to shoulder dislocations in younger patients, anterior shoulder dislocation in the elderly is often associated with concomitant injuries to the rotator cuff and fractures. Rouleau DM et al. This allows for the joint surfaces to align congruently with one another. There is also frequent involvement of the brachial plexus or peripheral nerves. The first documented instances of shoulder dislocation come from as early as 3000 BC, when murals depicting the Kocher technique for reducing a dislocated shoulder were made. Superior shoulder dislocation is a rare type of shoulder dislocation. Overall, stability is achieved through the static and dynamic restraints. The shoulder is held securely in place by the ligaments, capsule, and muscles that surround the joint. Anterior shoulder dislocation. DAYTON, Ohio (October 18, 2018) – The shoulder joint is designed for great mobility, but with it comes the increased risk of dislocation which is often the case for many young athletes participating in contact sports. Anterior dislocations make up over 90% of dislocated shoulders. anatomic directions (eg, 10-A5 for inferior dislocation of the shoulder or “luxatio erecta”). A dislocated shoulder is both painful and incapacitating. Shoulder subluxation is a partial dislocation of your shoulder. The vast majority of shoulder dislocations are anterior dislocations. A fracture-dislocation occurs when there is both a broken bone and a dislocation of the joint. + + A dislocation occurs when a bone slips out of a joint. Incident of associated injury in posterior shoulder dislocation: Systematic review of the literature. Posterior shoulder dislocations are considerably less common, accounting for fewer than 4% of shoulder dislocations. Most shoulder dislocations happen at the lower front of the shoulder, because of the particular anatomy of the shoulder … 80-94% of patients who have a dislocation under the age of 20 years will have a recurrence of their dislocation. The vast majority of shoulder dislocations are anterior (>95%). Shoulder dislocations constitute up to 50% of all major joint dislocations. Anteroinferior shoulder dislocation may lead to injury of the stabilizers of the shoulder on the glenoid side. Anterior dislocations typically result from a direct blow to, or a fall on, an outstretched arm. A joint can be partially dislocated (subluxation) or fully dislocated. Acute posterior shoulder dislocations are less common than anterior dislocations, but more commonly missed 50% of traumatic posterior dislocations seen in the emergency department are undiagnosed; Epidemiology incidence . In an anterior dislocation, the head of the humerus comes to rest inferior to the coracoid process of the scapula. The shoulder joint is called a ball-and-socket joint. J Bone Joint Surg Am 2005; 87 (3):639-650. After closed reduction and a short p … Anterior displacement of the humeral head is the most common dislocation seen by emergency physicians and is depicted in the image below. The shoulder dislocation (more accurately termed a glenohumeral joint dislocation) involves separation of the humerus from the glenoid of the scapula at the glenohumeral joint.. Many sports from football to lacrosse place students at-risk for injury. It accounts for less than 2% of all dislo-cations of the shoulder,1,2 but is of diagnostic and therapeutic interest because most are missed on the initial examination. Fracture-Dislocations . This article contains a general discussion on shoulder dislocation. Many posterior shoulder dislocations are initially missed by treating physicians, and diagnosis is delayed in many cases. 2% to 5% of all unstable shoulders; risk factors bony abnormality After shoulder dislocation reduction, physical therapy may be utilized to re-strengthen the vulnerable area. Definition A dislocation is a separationoftwo bones where they meet at a joint. The ball is the rounded top of the bone in the upper arm (humerus), which fits into the socket — the cup-shaped outer part of the shoulder blade. 3-6 In a series of 24 patients with posterior dislocation… Traumatic dislocations are rare in children under 10 years old, accounting for less than 2% of dislocations. Robinson CM, Aderinto J. Posterior shoulder dislocations and fracture- dislocations. But, 20% of shoulder dislocations occur in patients under 20 years old. The head of the humerus can dislocate completely or partially (subluxation) in three directions: anteriorly (most … How to Tell When You’re Injured Despite the key differences of these two injuries, they have some similar symptoms – the two most obvious being pain and inability to move the arm. The most common type of shoulder dislocation is the anterior shoulder dislocation (much more common than posterior shoulder dislocation) which occurs when there's a sudden blow to your shoulder causing it to forcefully rotate, extend or abduct and cause the top of your shoulder bone to dislocate for the shoulder blade. Introduction. Dislocation is a condition that happens when the bones of a joint are knocked out of place. The closed reduction technique is commonly used to reset a shoulder dislocation, applying traction to the bone, but may be contraindicated in the presence of secondary injuries. Mechanism of anterior shoulder dislocations. Some dislocations were included in the long bone fracture classification (eg, forearm), and there is the potential for more than 1 code to be appropriate for a given injury. Why Recurrent Shoulder Dislocation is a Concern / Who Is At Risk. PPT Jurnal Shoulder Dislocation - Pendek - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. A dislocated bone is no longer in its normal position. PMID: 22183196. A dislocation can be caused by a trauma (car accident or fall) or the weakening of muscles and tendons. sfsssv Because the head of the humerus is substantially larger than the glenoid fossa, shoulder dislocation is the most common type of joint dislocation. The shoulder is a synovial joint composed of three bones: humerus, scapula, and clavicle. (B) Scapular Y view: Interpretation of this view can be difficult when it is slightly oblique and overlying soft tissues obscure the image, as in this patient.The humeral head overlies the ribs (arrowheads). The anterior dislocation is the most frequently encountered shoulder dislocation, comprising approximately 95% to 97% of cases. It is paramount to identify the correct pathogenesis of instability so that treatment can be appropriately tailored to the patient’s needs. (A) AP view: The humeral head is in external rotation (greater tuberosity is lateral, arrow) and in a subcoracoid location.Asterisk = coracoid process. When the top of the humerus moves out of its usual location in the shoulder joint, the shoulder is said to be dislocated. It permits movement of the arm in all directions, but it is prone to dislocation. Its occurrence is thought to be associated with rupture of the deltoid; however, few reports are available on the mechanism of onset and the treatment of a superior shoulder dislocation. These include injuries to the anterior or anteroinferior glenoid rim (called bony Bankart lesions), or to the labro-capsulo-ligamentous soft tissue stabilizers of the shoulder (called soft tissue Bankart lesions) . ANTERIOR SHOULDER DISLOCATION PROTOCOL PHASE I: 0 – 3 WEEKS S/P INJURY Bracing: Ultra-Sling ER: position arm in 10° of ER. The shoulder is the most commonly dislocated large joint.1 A traumatic shoulder dislocation is often accompanied by a labral lesion,2–7 which predisposes the patient to developing chronic shoulder instability.8–11 The incidence of primary shoulder dislocation varies between 15.31 and 56.312 per 100 000 person-years. Patients with a tendency for recurrent (repeated) dislocation or subluxation are said to have an unstable shoulder or shoulder instability (unstable shoulder). Use at all times except showering / bathing Modalities: Cryotherapy 3x/ day TENS if c/o pain NMES PROM: None at Glenohumeral joint Therapeutic Exercise: Wrist / … Patients may also experience an arm that is positioned slightly away from the body with the forearm turned outward and the … Anterior (forward) dislocation is when the humeral head moves toward the front of the body. Dislocations may be associated with a periarticular fracture SUBLUXATION. Shoulder Dislocation Common Injury Among Young Athletes. A person under 21 years of age who has incurred a shoulder dislocation has a 70-90% chance of dislocating the shoulder … Shoulder dislocation symptoms include shoulder pain, swelling and deformity of the joint since the shoulder joint is popped out of socket. The shoulder is said to be the most mobile joint in the human body. 1,2,5 Patients with shoulder dislocation of any type typically present with a history of trauma or feeling the shoulder pop, followed by pain. Dislocation of the shoulder is often associated with damage to the joint capsule (as in Bankart's and Hill-Sachs lesions) and this can lead to instability and predispose to recurrent dislocation.

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