There are eight of them altogether, and they can be thought of as forming two rows of four.
- - this bone, with the lunate, articulates with the Radius of the arm.
- - articulates with the radius and the capitate.
- - on the Ulna r side of the hand, but does not articulate with the ulna.
- - a Sesamoid Bone that lies anterior to (closer to the palm than) the triquetrum.
- - the most lateral bone of this row. It articulates with the metacarpal of the Thumb .
- - articulates with the 2nd metacarpal.
- - articulates with the metacarpal of the middle Finger .
- - articulates with the metacarpals of the 4th and 5th fingers. It has a projection called a ''hook''.
Mnemonic s that can be useful for remembering the carpal bones are:
- "ome '''L'''overs '''T'''ry '''P'''ositions '''T'''hat '''T'''hey '''C'''annot '''H'''andle"
- "tudents '''L'''ike '''T'''he '''P'''rofessor '''T'''o '''T'''each '''C'''omplex '''H'''ypotheses"
- "he '''L'''ikes '''T'''aking '''P'''rostitutes '''T'''o '''T'''he '''C'''alley '''H'''otel"
- "he '''L'''ooks '''T'''oo '''P'''retty '''T'''ry '''T'''o '''C'''atch '''H'''er"
A Hindi version which is quite funny and hence popular among students in India, is:
- "neh '''L'''ata '''T'''inde '''P'''aka '''T'''ere '''T'''inde '''C'''atchey '''H'''ain"
which can be roughly translated as an exhortation to a woman called Sneh Lata, asking her to properly cook a vegetable!
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