An avulsion fracture (where a tendon or muscle is torn off its attachment on a bone along with a part of the bone it attaches to) of the coracoid process of the scapula would be associated with which of the following tendons:

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To begin, let's restate the question in the mind: an avulsion fracture of the coracoid process would involve which tendon attachment on that bone?
Option 1: Pectoralis Minor. The coracoid process serves as an attachment point for the tendon of the pectoralis minor, making an avulsion here plausible if the tendon pulls off a fragment of the coracoid.
Option 2: Deltoid. The deltoid attaches to the clavicle, acromion, and spine of the scapula, not to the coracoid process, so an avulsion of the coracoid is not associated with a deltoid tendon.
Option 3: Subscapularis. The subscapularis tendon inserts on the lesser tubercle of the humerus, far from the coracoid process, so it would not be implicated in a coracoid avulsion.
Option 4: Infraspinatus. The infraspinatus tendon attaches to the greater tubercle of the humerus, with no direct attachment to the coracoid; thus, an avulsion of the coracoid would not involve this tendon.
Additional context: while the coracoid also serves as an attachment for other structures such as the short head of biceps brachii and the coracobrachialis, the listed options include Pectoralis Minor, which is a standard coracoid attachment, supporting its role in coracoid avulsion injuries.
In summary, only the tendon attachment that directly anchors to the coracoid process among the choices is the pectoralis minor, whereas the other options lack a direct coracoid insertion and are therefore not associated with a coracoid avulsion.

2261 REHSCI 1200 SEC1010 Bonus Graded Quiz 7 (Optional)

An avulsion fracture (where a tendon or muscle is torn off its attachment on a bone along with a part of the bone it attaches to) of the coracoid process of the scapula would be associated with which of the following tendons:

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2261 REHSCI 1200 SEC1010 Bonus Graded Quiz 7 (Optional)

An avulsion fracture (where a tendon or muscle is torn off its attachment on a bone along with a part of the bone it attaches to) of the coracoid process of the scapula would be associated with which of the following tendons:

View Explanation

Log in for full answers

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The joint labelled #1 above is the sternoclavicular joint joint and #2 is the acromioclavicular joint