The trochlea of the humerus:
A. is anterior to the epitrochlea
B. is in a medial position with respect to the epitrochlea
C. is lateral to the condyle
D. is in a lateral position with respect to the epicondyle
E. is medial to the condyle (Capitulum)
Answer (2)
The trochlea of the humerus is located at the distal end of the humerus and is involved in the movement of the elbow joint. The correct statement regarding its position is that it is medial to the capitulum (the condyle). Therefore, the correct choice is option E.
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The trochlea of the humerus is a specific part of the humerus bone, which is located in the upper arm. It plays a crucial role in the anatomy of the elbow joint.
To understand the correct positioning of the trochlea in relation to the epitrochlea (also known as the medial epicondyle) and the condyle (specifically, the capitulum), it's important to consider the anatomy of the distal end of the humerus:
Trochlea of the Humerus: The trochlea is a spool-shaped structure on the medial side of the distal humerus. It articulates with the ulna, which is one of the bones in the forearm, allowing for the flexion and extension of the elbow joint.
Epitrochlea (Medial Epicondyle): This is the bony prominence found on the medial side of the distal humerus. It is positioned above (proximal to) the trochlea.
Capitulum: This is another structure found on the distal end of the humerus, but it is lateral to the trochlea. The capitulum articulates with the head of the radius, another bone in the forearm.
Considering these anatomical details, the trochlea is medial to the capitulum (condyle), as it is located closer to the midline of the body compared to the capitulum, which is more lateral.
Thus, the correct option is: e. is medial to the condyle (Capitulum) .
