Introduction The most common large joint dislocation is the glenohumeral joint.
The most common large joint dislocation is the glenohumeral joint. The shallow articular surface of the glenoid puts the glenohumeral joint at high risk for dislocation. The glenoid labrum aids in deepening the glenoid surface to help stabilize the shoulder.
The shoulder also relies on the glenohumeral capsular ligaments and rotator cuff to stabilize the shoulder. These injuries occur when the shoulder is abducted and externally rotated. Case Vignette You are evaluating an athlete on the sideline with a suspected shoulder dislocation.
He reports some tingling in his arm. Which of the following nerves need to be assessed after an anterior shoulder dislocation? A) Axillary nerve B) Radial nerve C) Median nerve D) Ulnar nerve Diagnosis When an athlete has a suspected shoulder dislocation, they will typically be holding the arm in a cradle-like position.
The shoulder will also lose its normal rounded position. If the diagnosis is not clear, ask the patient to reach across and grab the opposite shoulder and if they cannot do it, then the shoulder is likely dislocated. Once a dislocation is suspected, the provider must assess for axillary nerve injury.
The axillary nerve can be assessed by lightly touching the lateral upper arm and assessing for deltoid contraction. In a study looking at shoulder dislocations in skiers, sensory abnormalities due to axillary nerve injury were found in 17% of patients. Sensory innervation of the axillary nerve.
If you are experiencing symptoms that may be related to sideline management of shoulder dislocation, it is important to see a sports medicine physician. Early evaluation and treatment typically lead to better outcomes. Do not ignore pain or symptoms that are limiting your activity.
*This article is for educational purposes only and does not substitute for professional medical advice. Always consult a qualified healthcare provider.*
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