femur

Question 1

this is the longest, heaviest and strongest bone in the body

􀁸 its length is about ¼ that of the body and its average length is about 18 inches (45 cm)**

Answer 1

FEMUR

Question 2

standing position, the femur transmits weight from the pelvic bone to the

Answer 2

tibia

Question 3

The femur consists of

Answer 3

shaft, proximal and distal ends

Question 4

at the proximal end of the femur, the rounded head is found, which articulates with the acetabulum of the
pelvic bone to form the

Answer 4

hip joint

Question 5

on the head of the femur is a pit or depression, known as the

Answer 5

fovea capitis

Question 6

What is attached to the fovea capitis of the femur

Answer 6

capitis

femoris ligament

Question 7

Just lateral to the head of the femur is the ….

Answer 7

Neck

Question 8

What is is the angle called that is formed from the neck of the femur

Answer 8

the angle of

inclination

Question 9

the proximal end of the femur shaft is marked by a large bony prominence called the

Answer 9

greater trochanter

Question 10

on the femur where the greater trochanter meets the neck is a deep pit is called the…

Answer 10

trochanteric fossa

Question 11

a blunt conical projection at the junction of the femurs inferior border of the neck with
the shaft

Answer 11

lesser trochanter

Question 12

with the femur the trochanters are joined posteriorly by the

Answer 12

intertrochanteric crest

Question 13

on the intertrochanteric crest of the femur is a prominent

bump called the

Answer 13

quadrate tubercle

Question 14

anteriorly on the femur, the trochanters are connected by the

Answer 14

intertrochanteric line

Question 15

the intertrochanteric line continues on the posterior aspect of the femur shaft as the

Answer 15

spiral line

Question 16

a faint line or ridge that is found just inferior to the lesser trochanter of the femur

Answer 16

pectineal line

Question 17

a roughened area found inferior to the greater trochanter of the femur is the

Answer 17

gluteal line or gluteal tuberosity

Question 18

the three lines (spiral, pectineal and gluteal) on the femur come together to form the

Answer 18

linea aspera

Question 19

prominent longitudinal ridge on the posterior aspect of the femoral shaft consists of a

Answer 19

medial and lateral lip

Question 20

the distal end of the femur, what are the three articular surfaces

Answer 20

condyle, medial condyle and

the patellar facet

Question 21

found just above each condyle on the distal femur are the are the

Answer 21

epicondyles

Question 22

on the medial condyle, distal end of the femur is an added

projection called what?

Answer 22

adductor tubercle

Question 23

between the distal femoral condyles is a depression known as the

Answer 23

intercondylar fossa

Question 24

the most superior part of the
intercondylar fossa (femur)

Answer 24

intercondylar line

Question 25

distal posterior aspect of the bone is a triangular area known as the (femur)

Answer 25

popliteal surface

Question 26

from five centers, a primary for the shaft and four secondary centers 􀁸 the secondary centers are for the head, greater trochanter, lesser trochanter and the distal end (condyles and epicondyles) 􀁸 **the bone completes its development by 15 years in a female and 17 ½ years in a male**

Answer 26

Ossification of the Femur

Question 27

􀁸 the way the neck of the femur meets the shaft of the bone, an angle is formed that is known as the**

Answer 27

the angle of | inclination

Question 28

the angle of | inclination at birth has an angle of **

Answer 28

145 degrees

Question 29

the angle of | inclination at adulthood has an angle of**

Answer 29

125 degrees

Question 30

An increase in the angle of inclination, which can occur with developmental dusplasia of the hip (congenital dislocation)**

Answer 30

coxa valga

Question 31

A decrease in the angle of inclination, which occurs in fractures of the proximal part of the femur and in the condition known as rickets. causes a mild shortening of the affected limbs.**

Answer 31

coxa vara

Question 32

even though it is the strongest bone in the body, it commonly fractured and the type of fracture that occurs is frequently age and sex related

Answer 32

Fractures of the Femur

Question 33

this is a fracture through the neck of the femur and are what we commonly call a “broken hip”** 􀁸 fairly common, especially in older individuals who suffer from osteoporosis **

Answer 33

Subcapital Fractures

Question 34

Subcapital Fractures often interrupt the blood supply to the femoral head, leading to a degeneration of the head, a condition known as**

Answer 34

avascular necrosis

Question 35

􀁸 the neck of the femur receives a rich blood supply from branches of the**

Answer 35

``` femoral artery (medial and lateral femoral circumflex arteries) ```

Question 36

the head is supplied by a small branch of the**........................which passes to the head within the ligament of the femoral head

Answer 36

obturator artery

Question 37

large sesamoid bone develops within the common tendon of insertion of the quadriceps

Answer 37

PATELLA

Question 38

triangular shaped and the superior border is the (patella)

Answer 38

Base

Question 39

the inferior border is the (patella)

Answer 39

Apex

Question 40

posterior surface of the bone is marked by two .................... for articulation with the patellar facet and condyles of the femur

Answer 40

articular surfaces (lateral and medial)

Question 41

convex and marked by numerous foramina and longitudinal lines (patella)

Answer 41

the anterior surface

Question 42

main function of the patella

Answer 42

Gives additional leverage to the the quadriceps during the last part of extension of the leg. This helps increase the power of the extension movement

Question 43

is from a single center that appears early in the 3rd year of life and the bone is completely ossified by 10 years in the female and 13 years in a male

Answer 43

ossification of the patella