bi205 appendicular skeleton

pectoral girdle, upper limbs, pelvic girdle, lower limbs

what does the appendicular skeleton consist of

clavicle, scapula

what is in the pectoral girdle

sternal end

the medial end of the clavicle

acromial end

the lateral end of the clavicle

conoid tubercle

near the acromial end of the clavicle

costal tuberosity

near the sternal end of the clavicle

humerus, ulna, radius, carpal bones, metacarpal bones, phalanges

what does the upper limb consist of

interosseous membrane

fibrous sheet between the ulna and radius

medial

ulna is ______ to radius

lateral

radius is _____ to ulna

pronation

when the radius crosses over the ulna, palm of hand is facing down

supination

rotating the bones so they are back in the anatomical position

8

how many bones make up the wrist

5

how many metacarpals are there

14

how many phalanges are in the hand

ilium, ischium, pubis

what is each coxal (hip) bone made of

acetabulum

the socket of the hip, where the head of the femur meets the hip

femur, patella, tibia, fibula, tarsals, metatarsals, phalanges

what is the lower consisted of

pelvis

consists of 2 coxal bones, sacrum, coccyx

greater pelvis

spans the distance from left iliac crest to right iliac crest

lesser pelvis

area inferior to the iliopectineal line

pelvic inlet

superior space between the pelvic brim of each coxal bone

pelvic outlet

inferior space between the ischial spine of each coxal bone

• pelvic outlet, larger in females

• sacrum and coccyx, less curvature in females than males

• pelvic inlet, wider in females

• pubic angle, greater than 100 degrees in females and less than 90 degrees in males

differences in the male and female pelvis

patella

large sesamoid bone that protects the knee joint

medial

tibia is _____ to fibula

lateral

fibula is _____ to tibia

7

how many bones make up the ankle

5

how many metatarsals are there

14

how phalanges are in the foot