hand/wrist/thumb. anatomy bones carpal bones scaphoid lunate triquetral pisiform trapezium trapezoid...

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Hand/Wrist/Thumb

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Hand/Wrist/Thumb

AnatomyBones

Carpal BonesScaphoidLunateTriquetralPisiformTrapeziumTrapezoidCapitateHamateEasy way of remembering carpal

bones..starting from the lateral most bone of the proximal row.."SHE LOOKS TOO PRETTY,TRY TO CATCH HER"She-Scaphoid,Looks-lunate,Too-triquetral,Pretty-pisiform;;Try-trapezium,To-trapezoid,Catch-capitate,Her-hamate

Carpal Bones

S. Scaphoid L. Lunate T. Triquetrum P. Pisiform Tm. Trapezium Td. Trapezoid C. Capitate H. Hamate (*=hook)

"SHE LOOKS TOO PRETTY,TRY TO CATCH HER"She – ScaphoidLooks – LunateToo- TriquetralPretty – PisiformTry – TrapeziumTo – TrapezoidCatch – CapitateHer - Hamate

Scaphoid (She)

Largest bone in the proximal carpal row

Most commonly fractured bone in the wrist

Lunate (Looks)

Gets it’s name from its semilunar shape

Triquetral (too)

Sits below the Pisiform

Pisiform (Pretty)

Sits on top of the Triquetral/ Triquetrum

Trapezium (Try)

Sits below the 1st metacarpal

Trapezoid (To)

Sits directly below 2nd metacarpal

Capitate (catch)

Sits directly below the 3rd metacarpal

Hamate (her)

Sits below the 4th and 5th metacarpal

Metacarpals

I - ThumbII - IndexIII - MiddleIV - RingV - Pinkie

PhalangesDigit 1 (thumb)

has a proximal and distal phalange

Digits 2 – 5 each have a proximal, middle and distal phalange

Hand JointsCMC- Carpometacarpal

Joints Connects Carpal Bones to

metacarpalsMP - Metacapophalangeal

Joints Connects Metacarpals and

Proximal PhalangesPIP- Proximal

Interphalangeal Joints (2 -5) Connects Proximal Phalanges

and Middle PhalangesDIP- Distal Interphalangeal

Joints (1 – 5) Connects Middle Phalanges

and Distal Phalanges

Carpal OrderWrist to Finger tips

Carpal bonesCarpometacarpal JointsMetacarpals (1 – 5)Metacapophalangeal Joints (1 -5)Proximal Phalanges (1 – 5)PIP- Proximal Interphalangeal Joints (2 -5)Middle Phalanges (2 – 5)DIP- Distal Interphalangeal Joints (1 – 5)Distal Phalanges (1 – 5)