Wrist bones: Carpals

What carpal bone articulates with the base of the 3rd MCP bone and forms the 3rd MCP joint?

Capitate

What carpal bone is the largest?

Capitate

What carpal bone articulates with the base of the 4th and 5th MCP bones and forms the 4th and 5th CMC joints?

Hamate

What carpal bone is located on the medial side of the scaphoid?

Lunate

What carpal bone is superimposed by the triquetrum when the wrist is in a posterior view?

Pisiform

What carpal bone is most commonly fractured due to being on the thumb side?

Scaphoid

My mnemonic for carpal bones

She Likes To Play. Try To Catch Her Scaphoid, Lunate, Triquetrim, Pisiform, Trapezium, Trapezoid, Capitate, Hamate

What carpal articulates with the base of the 1st MCP bone and forms the 1st CMC joint?

Trapezium ("i" in trapezium will tell you it comes before trapezoid)

What carpal bone articulates with the 2nd MCP bone and forms the 2nd CMC joint?

Trapezoid

What two carpal bones articulate with the radius?

1 Scaphoid 2 Lunate

Which carpals are located on the proximal row? (closer to the forearm, from lateral to medial)

1 scaphoid 2 lunate 3 triquetrum 4 pisiform

Old synonyms for carpal bones

1 scaphoid (navicular) 2 lunate (semilunar) 3 triquetrum (triangular or cuneiform) 4 pisiform (means "p" shape) 1 trapezium (greater multangular) 2 trapezoid (lesser multangular) 3 capitate (os magnum) 4 hamate (unciform)

What carpals are located on the distal row? (further from the forearm, from lateral to medium)

1 trapezium 2 trapezoid 3 capitate 4 hamate

How many carpal bones are there?

4 proximal 4 distal a total of 8