Abstract
The elbow joint [1] is a special hinge joint in the middle of the arm. The three bones that form the elbow joint are the humerus of the upper arm and the radius and ulna of the forearm [1]. The bony prominence at the very tip of the elbow is the olecranon process of the ulna, and the inner aspect of the elbow is called the antecubital fossa.
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References
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Problems
Problems
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1.
Study the elbow joint anatomy to find the kinematics and kinetics of the joint. Find the range of movement of the joint. How many articulating joints are there in the elbow joint? Try to estimate the forces in the joints.
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2.
The elbow joint is not a perfect hinge joint, but it is more than that. If an arthritic joint is to be replaced, how may a sloppy hinge joint prosthesis help? Check the sloppy hinge elbow joint designed by Dr. D. Bakshi, orthopedic surgeon in Kolkata. Is there any drawback to the joint from the viewpoint of friction in the articulating surface? How you can improve its frictional characteristics? The stems were cut crisscrossed for better fixation. Can you improve upon it?
It has triangular and square cross sections in its humeral and ulnar components; why not conical or cylindrical? Explain from the point of view of effective function.
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3.
Explain a step-by-step procedure to design an elbow prosthesis for a 65-year-old lady suffering from painful osteoarthritis. How will you proceed? Make a nice sketch with the approximate main dimensions.
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Pal, S. (2014). The Elbow Joint and Its Artificial Replacement. In: Design of Artificial Human Joints & Organs. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-6255-2_8
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DOI: https://doi.org/10.1007/978-1-4614-6255-2_8
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Publisher Name: Springer, Boston, MA
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Online ISBN: 978-1-4614-6255-2
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