Bones of the Hand

Question 1

Carpal Bones

Answer 1

8 in the wrist

Question 2

Metacarpal Bones

Answer 2

5 in the palm

Question 3

Phalangial bones

Answer 3

14 in the fingers

Question 4

The hand (# of bones)

Answer 4

27 bones total

Question 5

Radio-Ulnar Joint

Answer 5

Location: Formed by the distal ends of the radius and ulna
Function: Permits pronation and supination movements of the hand

Question 6

Styloid processes of the radius and ulna

Answer 6

Location: Pen like projections of bone
Function: Are attached to ligaments of the wrist that extend to the proximal row of carpal bones

Question 7

Carpal Bones arrangement

Answer 7

Arranged in two rows of four bones

Question 8

Proximal row of bones

Answer 8

Scaphoid, lunate, triquetrum, pisiform

Question 9

Scaphoid (Navicular) bone

Answer 9

Lateral most bone, Boat shaped

Question 10

Lunate

Answer 10

Moon shaped

Question 11

Triquetrum

Answer 11

Triangular shaped

Question 12

Pisiform

Answer 12

Small - pea shaped
Example of sesamoid bone
Location: found suspened in the tendon of the flxor carpi ulnaris muscle

Question 13

Distal row of carpal bones

Answer 13

Trapezium, trapezoid, capitate, Hamate

Question 14

Trapezium

Answer 14

(a little table) Lateral most bone

Question 15

Trapezoid

Answer 15

Four sided

Question 16

Capitate

Answer 16

Shaped like a head

Question 17

Hamate

Answer 17

Hook like process (Hamlus of the hamate)

Question 18

Distal Carpal bones

Answer 18

Form the joints with the 5 bones of the palm

Question 19

Metacarpal bones

Answer 19

Meta = beyond
Location: just beyond the carpal bones of the wrist
Located 1 - 5, beginning with the thumb
Function: articulates with the most proximal of the phalangeal bones of each digit (Forming the knucles)

Question 20

First Metacarpal

Answer 20

The shortest, in the thumb

Question 21

Metacarpo-phalangeal Joints

Answer 21

MP Joints

Formed by the metacarpal and proximal bones

Question 22

Three phalanges of the fingers

Answer 22

Proximal, middle and distal

Question 23

Phalange bones of the thumb

Answer 23

Proximal and Distal

Question 24

Proximal Interphalangeal Joints

Answer 24

(PIP) Proximal and middle phalanges

Question 25

Distal Interphalangeal joints

Answer 25

(DIP) btwn middle and distal phalanges

Question 26

Interphalangeal Joint

Answer 26

(IP) only in the thumb, btwn proximal and distal