Rad-104 Fingers, Thumb, Hand, and Wrist

How many phalanges in each hand

14

two in thumb

how many metacarpals in each hand

5

how many carpals in each wrist

8

how are phalanges and metacarpals numbered

lateral to medial in anatomic position

Why were the bones named phalanges

resembled greek line battle formation called phalanx

how are carpals identified

two rows of four

lateral to medial proximal row carpals

scaphoid, lunate, triquetrum, pisiform

lateral to medial distal row carpals

trapezium, trapezoid, capitate, hamate

what is carpus drived from

greek word meaning karphos

where is interphalangeal (IP) joints articulation

between phalanges

how are IP joints identified

by location and digit number

how are IP joints classified

synovial, diarthrotic, or freely moveable joint, hinge type

where is articulations of metacarpophalangeal (MCP) joints

between heads of metacarpals and proximal phalanges

how are MCP ideitified

by numbers: first, second, third

How are MCP joints classified

as synovial, diarthrotic, and ellipsoidal

where is carpometacarpal (CMC) joints articulation

between bases of metacarpal and carpal bones

how are first CMC joints classified as

synovial, diarthrotic, saddle type

what type of joints are second to fourth CMC joints

gliding

what are intercarpal joints

articulation between carpal bones

what are intercarpal joints classified as

synovial, diarthrotic, gliding type