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