Appendicular Skeleton Test

Question 1

appendicular bones

Answer 1

126 bones

Question 2

pectoral girdle

Answer 2

-aka shoulders
-4 bones
-doesn’t articulate with vertebral column

Question 3

what does appendicular bones include

Answer 3

-shoulder girdle
-upper limbs
-pelvic girdle
-lower limbs

Question 3

functions of pectoral girdle

Answer 3

-supports upper limbs
-allows movement of upper limbs
-points of muscle attachment
-includes clavicle and scapula

Question 4

Clavicle functions

Answer 4

-transmit mechanical force from upper limb to trunk

Question 5

clavicle

Answer 5

-2 bones, 1 each side
-aka collarbone
-“S” shaped
-located above 1st rib
-joins with sternum anteriorly and scapula posteriorly
-most frequently broken bone in body

Question 6

scapula

Answer 6

-2 bones, 1 each side
-aka shoulder blades
-triangular in shape

Question 7

spine(scapula)

Answer 7

-diagonal ridge on scapula

Question 8

acromion(scapula)

Answer 8

-where spine and clavicle join together

Question 9

glenoid cavity(scapula)

Answer 9

-head of humerus joins(socket)

Question 10

coracoid process(scapula)

Answer 10

-projection on scapula where muscles attach to form upper limbs

Question 11

Upper limbs

Answer 11

-30 bones each side

Question 12

Humerus

Answer 12

-2 bones, 1 each side
-longest and largest bone in upper limb
-joins with scapula at proximal end
-joins with ulna and radius at distal end

Question 13

radial fossa(humerus)

Answer 13

-depression that receives head of radius when forearm is bent

Question 14

olecranon fossa(humerus)

Answer 14

-depression in back of humerus that receives olecranon(elbow) when form is extended

Question 15

coronoid fossa(humerus)

Answer 15

-depression that receives head of ulna when forearm is bent

Question 16

Ulna

Answer 16

-2 bones, 1 each side
-medial side of body

Question 17

olecranon process(ulna)

Answer 17

-proximal end of ulna

Question 18

radius

Answer 18

-2 bones, 1 each side
-lateral side of body(by thumb)
-disc shape head

Question 19

Carpals

Answer 19

-16 bones, 8 each wrist
-aka wrist bones
-bones held together by ligaments
-2 rows, 4 bones each
-lateral to medial, thumb to pinky

Question 20

radial tuberosity(radius)

Answer 20

-rough raised area that is attachment site for biceps

Question 21

bottom row of carpals

Answer 21

-trapezium, trapezoid, capitate, hamate
-capitate is largest carpal

Question 22

metacarpals

Answer 22

-5 each hand
-palm of your hand
-base, body head
-base proximal and head is distal
-numbered 1-5
-head makes knuckles

Question 23

Top row of carpals

Answer 23

-scaphoid, lunate, triquetrum, pisiform
-scaphoid is most commonly fractured

Question 23

Pelvic Girdle functions

Answer 23

-provide strong, stable support for vertebral column
-protect pelvic visceral organs
-attaches lower limbs to axial skeleton

Question 24

phalanges

Answer 24

-finger/digit
-single bone is phalanx
-14 bones per hand(28 total)
-3 in finger, 2 in thumbs
-named #1-#5, thumb is #1

Question 25

coxal bones(pelvic girdle)

Answer 25

-aka hip bones
-3 seperate bones fused together by 23

Question 26

ilium(coxal)

Answer 26

-flat and largest part

Question 27

iliac crest(ilium)

Answer 27

-most superficial part of bone

Question 28

sciatic notch(ilium)

Answer 28

-where sciatic nerve passes through(posterior part)

Question 29

ischium(coxal)

Answer 29

-lower posterior part of hip bone
-sitz bone

Question 30

pubis(coxal)

Answer 30

-anterior and inferior part of hip bone

Question 31

pubic symphysis(coxal)

Answer 31

-joint in front of where the hip bones connect and posteriorly joins with sacrum at sacroiliac joint

Question 32

acetabulum(coxal)

Answer 32

-depression where the head of femur fits into obturator forament

Question 33

obturator foramen

Answer 33

-hole in between pubis ischium

Question 34

females’ pelvic girdle

Answer 34

-pelvic area thin and lighter
-wide with more space in pelvic inlet and outlet
-acetabulum is small and faces anterior
-obturator foramen oval
-pubic arch is greater than 90 degrees

Question 34

males’ pelvic girdle

Answer 34

-heavy and thick
-narrow with less space in pelvic inlet and outlet
-acetabulum is large and faces more laterally
-obturator foramen round
-pubic arch is less than 90 degrees