Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: Jan 31st, 2025

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A trochlea (pulley) is an anatomical feature found in the shoulders (where the distal end of the humerus and ulna articulate), eye orbits, and thighs. Trochleae are defined as having an arc composed of two condyli, where the arc allows for movement about a transverse axis; much like a pulley.

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