Appendicular Skeleton Flashcards
the pectoral girdle consists of
clavicle & scapula
two ends of the clavicle
acromial & sternal ends
the acromial end of the clavicle is _______ to the rest of the bone, while the sternal end is ______
lateral; medial
bone marking on the inferior side of the clavicle’s acromial end
conoid tubercle
the ‘point’ of the clavicle’s acromial end points
anteriorally
3 steps to determine if a clavicle is right or left
1) the flatter acromial end is lateral, the fatter sternal end is medial
2) the conoid tubercle is on the inferior side
3) the ‘point’ of the acromial end faces anteriorally
the ______ end of the clavicle is flat while the ______ end is thicker
acromial; sternal
the acromion of the scapula is ______ to the rest of the bone
lateral
the spine of the scapula is on the _____ side
posterior
the concave part of the scapula faces ________
anteriorally (lays against the back)
the head of the humerus faces _______
medially
more of the head of the humerus can be seen from the _______
posterior
the olecranon fossa of the humerus is on the ______ side
posterior
the capitulum of the humerus is on the _______ side
anterior
the bone of the brachial region is
humerus
the bones of the antebrachial region are
radius & ulna
of the two antebrachial bones, the _______ is medial and the _______ is lateral
ulna; radius
the ulna is recognizable by the “__” shape and the radius is recognizable by the _____ shape at their proximal epiphyses
u; circle
the ulna’s “u” shape and the radius’ cicle shape are located at the ________ epiphysis
proximal (superior)
the “u” of the ulna faces _______
anteriorally
the ulna aligns with this digit, and the radius aligns with this digit
ulna - pinky
radius - thumb
there are _ carpals
8
there are _ metacarpals
5
there are __ phalanges
14
large center carpal
capitate
carpal adjacent to metacarpal V
hamate
carpal adjacent to metacarpal II
trapezoid
carpal adjacent to metacarpal I
trapezium
large carpal between radius & trapezium
scaphoid
carpal between radius & capitate
lunate
small ‘floating’ carpal near metacarpal V
pisiform
carpal adjacent to pisiform
triquetrum
small bones attached to distal end of metacarpal I
sesamoid bones
metacarpal associated with the thumb
MC I
metacarpal associated with the pointer
MC II
metacarpal associated with the middle finger
MC III
metacarpal associated with the ring finger
MC IV
metacarpal associated with the pinky
MC V
each digit has ____, ______, and ______ phalanges, except thumb and big toe, which have no _______ phalanges
proximal, middle, and distal
middle
the pelvic girdle is formed by the
two hip bones and the sacrum
the hip bone is the result of the fusion of three bones:
ilium, ischium, pubis
the _________, meaning “vinegar cup”, receives the head of the femur
acetabulum
if you place your right hand in the greater sciatic notch of the hip bone, and your fingers cover the acetabulum, it is a _____-hand bone
right
name for the concave part of the ilium
iliac fossa
large foramen in each hip bone
obturator foramen
part of the hip bones you sit on
ischium
part of the pelvis used to determine sex
pubic arch
a male pubic arch is ______°, while the female pubic arch is ______°
50-60° - male
80-90° - female
bone of the femoral region
femur
kneecap
patella
the head of the femur faces ______
medially
the intercondylar fossa of the femur faces ______
posteriorally
two bone markings below the neck of the femur’s head; one is lesser, one is greater
trochanters
bones of the crural & sural regions
tibia & fibula
the tibia is ______ (lateral or medial) and the fibula is ______
medial; lateral
the thicker epiphysis of the tibia is the ________ end
superior/proximal
the tibial tuberosity on the proximal epiphysis faces ________
anteriorally
even if the ______ broke, the _______ could still bear your weight
fibula; tibia
there are _ tarsals
7
there are _ metatarsals
5
there are _ foot phalanges
14
large tarsal that articulates with the tibia
talus
large tarsal lateral to the talus
calcaneus
tarsal between the talus and the cuneiform tarsals
navicular
tarsal adjacent to metatarsal I
medial cuneiform
tarsal adjacent to metatarsal II
intermediate cuneiform
tarsal between metatarsal III and the cuboid
lateral cuneiform
tarsal between metatarsal V and the calcaneus
cuboid
metatarsal I is associated with the ___ toe, while metatarsal V is associated with the _____ toe
big; little
each of the toes has three phalanges except the
big toe
3 arches of the foot
medial longitudinal arch
transverse arch
lateral longitudinal arch
most superior arch of the foot
medial longitudinal arch
arch of the foot with the most acute angle
transverse arch
most inferior arch of the foot
lateral longitudinal arch