College of Massage Therapists of British Columbia (CMTBC) Practice Exam

What is another term for an anterior dislocation of the shoulder?

1. Subclavian Dislocation

2. Subcoracoid Dislocation

3. Atraumatic Dislocation

4. Acromioclavicular Joint Dislocation

The correct answer is: Subcoracoid Dislocation

An anterior dislocation of the shoulder is most accurately described by the term "subcoracoid dislocation." This refers to the specific position of the humeral head when it dislocates anteriorly, typically coming to lie beneath the coracoid process of the scapula. This terminology is important in a clinical setting as it provides precise information about the location of the dislocation, which is crucial for diagnosis, treatment, and rehabilitation. Understanding the anatomy of the shoulder joint clarifies why this term is particularly appropriate: when the shoulder dislocates anteriorly, the head of the humerus moves forward, and in many cases, the most common position for the humeral head to settle is beneath the coracoid process. This association aids healthcare professionals in both identifying the dislocation type during assessment and planning appropriate treatment strategies. The other terms listed do not accurately capture the concept of anterior dislocation as they refer to different conditions or locations within the shoulder region. Knowing these distinctions can better inform treatment protocols and expectations related to recovery.