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Ch. 7 The Skeletal System

Chapter 7, Problem 7.14a

The 'elbow bone' is called the:


a. trochlea

b.capitulum

c.olecranon

d.deltoid tuberosity

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Video transcript

Hey, everyone. Let's take a look at this question together. The elbow joint is the articulation point of the following bones, except which is it? Answer choice. A, the phalanges. Answer choice B the ulna, answer choice C, the radius or answer choice. D the humerus, let's work this problem out together to try to figure out which of the following bones is not articulated by the elbow joint. So in order to solve this question, we have to recall what bones are articulated by the elbow joint and what the elbow joint is. And we can recall that the elbow joint is formed by the articulation of three bones, which those three bones includes the humerus, the ulna and the radius. So the humerus ulna and radius all come together to form the elbow joint and the elbow joint allows for the bending and straightening of the arm. So looking at our answer choices, we can go ahead and eliminate answer choice. BC and D since the ulna radius and humerus are all involved in the elbow joint, making answer choice. A the phalanges, the correct answer since we know that the phalanges which are the bones found in the fingers and toes are not within the elbow joint. So answer choice. A phalanges is the correct answer. I hope you found this video to be helpful. Thank you and goodbye.