Pectoral Girdle Quiz

metacarpals

in each hand there are 5 ______ that articulate proximally with the carpals and distally with the phalanges

ulna

part of the elbow joint

carpal bones

between the metacarpals and the radius and ulna (there are 8 of these)

scapula

forms the socket for the humerus; articulates laterally with the clavicle

clavicle

function= braces the scapula and keeps it back

pisiform, triquetrum, lunate, scaphoid, trapesium, trapezoid, capitate, hamate

list all 8 carpals

radius and ulna

the 2 bones of the forearm

scapula (shoulder blade) and clavicle

the 2 bones that make up the pectoral girdle

gliding joint

the carpometacarpal joint between the 4th metacarpal and the 4th phalange

saddle joint

the carpometacarpal joint of the thumb is what type of joint? btw it permits gripping/rotation of the thumb

hinge joints

what type of joint is found between phalanges?

14

how many phalanges are present in one hand?

2

how many phalanges are present in the thumb?

elbow

a hinge joint that is an articulation of the humerus and ulna

manubrium (of the sternum)

allows the clavicle articulates medially

pivot joint

at their proximal ends, the radius and ulna form this type of joint. this permits the palm up-palm down movement

pectoral girdle

attaches the arm to the axial skeleton

3

how many phalanges are present in each other finger?

humerus

this fits into the glenoid cavity (fossa) of the scapula to form a ball and socket joint