Lower Extremity Regions and Osteology

Question 1

regions of lower extremity

Answer 1

gluteal, thigh, leg, foot, hip, knee, and ankle

Question 2

Gluteal region

Answer 2

includes part of bony pelvis and associated soft tissue

Extends from iliac crest to gluteal fold

Question 3

Thigh region

Answer 3

contains femur and associated soft tissue

Question 4

Leg region

Answer 4

contains tibia and fibula and associated soft tissue

Question 5

Foot region

Answer 5

includes the tarsal bones, metatarsals, phalanges, and associated soft tissues

Question 6

Hip region

Answer 6

part of bony pelvis, proximal femur, and associated soft tissue

Question 7

Knee region

Answer 7

distal femur, proximal tibia, patella, and associated soft structures

Question 8

Ankle region

Answer 8

distal tibia and fibula, proximal talus, and associated soft tissue

Question 9

pelvis

Answer 9

formed by 2 hip bones (3 fused bones) and midline sacrum (5 fused bones)

Question 10

Where to hip bones unite?

Answer 10

unite anteriorly at pubic symphysis

unite posteriorly with sacrum at sacroiliac joint

Question 11

Hip bone made up of___

Answer 11

Ilium, ischium, and pubis

Question 12

Where to bones of hip bone unite to make one hip bone?

Answer 12

acetabulum

Question 13

sacrum

Answer 13

articulates with ileum of right and left hip bones to form sacroiliac joints

Question 14

Proximal femur

Answer 14

Femoral head and neck, greater and lesser trochanters, and intertrochanteric line

Question 15

Femoral head

Answer 15

fits deep within acetabulum

Question 16

Femoral neck

Answer 16

common site of fracture

Question 17

Greater trochanter

Answer 17

large lateral bony prominence located at junction of femoral neck and shaft

Question 18

Lesser teochanter

Answer 18

medial bony prominence at the junction of the femoral neck and shaft

Question 19

Intertrochanteric line

Answer 19

located anteriorly at the point where the femoral neck meets the femoral shaft

Question 20

Femur body

Answer 20

Fovea, intertrochanteric crest, gluteal tuberosity, pectineal line

Question 21

Fovea

Answer 21

attachment site of the ligament of the head of femur (ligamentum teres)

Question 22

Intertrochanteric crest

Answer 22

located posteriorly at the point where the femoral neck meets the femoral shaft

Question 23

Gluteal tuberosity

Answer 23

ridge of bone between greater trochanter and linea apera

Question 24

Pectineal line

Answer 24

ridge of bone between lesser trochanter and linea aspera

Question 25

Distal femur

Answer 25

linea aspera, medial and lateral supracondylar line, medial and lateral femoral condyles, intercondylar fossa, medial and lateral epicondyles, and adductor tubercle

Question 26

linea aspera

Answer 26

vertical ridge of bone along the posterior shaft of femur

Question 27

Medial and lateral supracondylar line

Answer 27

extend inferiorly from the linea aspera

Question 28

Medial and lateral femoral condyles

Answer 28

expanded lower aspect of the femur
Articular surface for the patella and tibia: shallow depression on anterior distal femur located where medial and lateral femoral condyles unite

Question 29

Intercondylar fossa

Answer 29

located posteriorly and separates the femoral condyles posteriorly

Question 30

Medial and lateral epicondyles

Answer 30

prominent area on medial and lateral femoral condyles

Question 31

Adductor tubercle

Answer 31

above medial femoral condyle

Question 32

femoral shaft

Answer 32

): length of femur distal to trochanters and proximal the femoral condyles

Question 33

Tibia

Answer 33

Medial and lateral tibial condyles, tibial plateau, tibial tuberosity, and medial malleolus

Question 34

Medial and lateral tibial condyles

Answer 34

flared proximal portion of tibia

Question 35

Tibial plateau

Answer 35

relatively flat superior surface of tibia with 2 articular regions and non-articular mid-region

Question 36

Tibial tuberosity

Answer 36

located on nterior aspect of proximal tibia where medial and lateral tibial condyles unite

Question 37

Medial malleolus

Answer 37

medial projection of distal tibial shaft

Question 38

Fibula

Answer 38

Head and neck of fibula, lateral malleolus, interosseous membrane

Question 39

Head of fibula

Answer 39

proximal expanded region

Includes articular surface to articulate with tibia

Question 40

Neck of fibula

Answer 40

slightly narrowed region distal to head

Question 41

Lateral malleolus

Answer 41

distal expanded region of fibula

Question 42

Interosseous membrane

Answer 42

between shaft of tibia and fibula

Question 43

Patella

Answer 43

has medial and lateral articular facet that articulates with femoral condyles

Question 44

Foot

Answer 44

7 tarsals, 5 metatarsals, and 14 phalanges

Question 45

Tarsal bones

Answer 45

• Talus
• Calcaneus
• Navicular
• Cuboid
• Cuneiforms (3)