Lower Extremity: Lower Leg & Patella

Question 1

Another name for leg

Answer 1

Crux

Question 2

Lateral malleolus is ___-___ degrees more posterior than the medial malleolus.

Answer 2

15-20

Question 3

Articulations of distal tibia fibular joint

Answer 3

Medial aspect of distal fibula & fibular notch of tibia

Question 4

Flattened surface on lateral distal aspect of tibia for articulation with medial border of distal fibula

Answer 4

Fibular notch

Question 5

3 parts of proximal fibula

Answer 5

Head
Apex
Neck

Question 6

Smooth rounded area on posterolateral border of lateral condyle of the tibia
Articulates with head of fibula

Answer 6

Fibular articulation surface

Question 7

Medial bone of leg
Second largest bone of body
Weight-bearing bone of lower leg

Answer 7

Tibia

Question 8

Projects 1/2” below ankle joint

Answer 8

Medial malleolus

Question 9

A fibrous layer of tissue that separates the space between the bones

Answer 9

Interosseous border

Question 10

Purpose of interosseous border

Answer 10

Increases surface area for muscle attachment

Question 11

Sharp ridge of bone on anterior aspect of tibia (palpable)

Answer 11

Anterior crest

Question 12

Parts of proximal tibia

Answer 12

Condyles (medial & lateral)

Tibial plateau

Question 13

Flat and smooth articular facets superior to condyles

Articulate with femoral condyles

Answer 13

Tibial plateaus

Question 14

Make up the tibial plateau, slope posteriorly 10-15 degrees…

Answer 14

Articular facets

Question 15

Fibrocartilage disks that lie on the tibial plateaus & provide stability for the knee (lateral and medial)

Answer 15

Menisci

Question 16

Sharp projection between plateaus

Answer 16

Intercondylar eminence (tibial spine)

Question 17

Intercondylar tubercles

Answer 17

Processes (medial and lateral)

Question 18

Rough prominence on anterior surface inferior to condyles

Attachment for patellar ligament

Answer 18

Tibial tuberosity

Question 19

Ankle Joint (mortise joint, talocrural joint)

Answer 19

Synovial, hinge

Question 20

Distal tibiofibular joint

Answer 20

Synarthrodial, fibrous

Question 21

Proximal tibiofibular joint

Answer 21

Synovial, gliding

Question 22

Occurs at junction of middle and lower third of tibia, caused by severe torsion
Fracture of fibula at another level is common

Answer 22

Spiral tibial fracture

Question 23

Sesamoid bone located in anterior aspect of distal femur just above the joint

Answer 23

Patella

Question 24

The patella presents as 2 separate bones that have not fused together in early childhood

Answer 24

Bipartite patella

Question 25

Longest, strongest, heaviest bone in body

Answer 25

Femur

Question 26

Distal rounded, knoblike non-palpable aspect of the femur, articulate with plateaus of tibia (anterior distal aspect)

Answer 26

Condyles

Question 27

Non-palpable prominence on the posterolateral aspect of the medial condyle

Answer 27

Adductor tubercle

Question 28

Palpable prominences above the condyles of the femur

Answer 28

Epicondyles Medial-larger Lateral-smaller

Question 29

Deep depression on posterior distal femur, separates femoral condyles

Answer 29

Intercondylar fossa/notch

Question 30

Contains a smooth articular surface for the patella to articulate, separates condyles anteriorly

Answer 30

Intercondylar surface (trochlear groove)

Question 31

Collateral ligaments

Answer 31

Medial MCL | Lateral LCL

Question 32

Ligaments that connect femur to tibia and prevent the knee from sliding side to side

Answer 32

Collateral ligaments

Question 33

Cruciate ligaments

Answer 33

Posterior PCL | Anterior ACL

Question 34

Ligament that prevents femur from sliding forward on tibia

Answer 34

Posterior Cruciate Ligament PCL

Question 35

Ligament that prevents femur from sliding backwards on tibia

Answer 35

Anterior Cruciate Ligament ACL

Question 36

Slants medically 10-15 degrees placing the medial condyle slightly lower than the lateral

Answer 36

Body of femur

Question 37

Double bony ridge that bifercates distal,y to become the supracondylar lines

Answer 37

Linea aspera

Question 38

Triangular area superior to the intercondylar fossa on the posterior aspect

Answer 38

Popliteal surface

Question 39

Knee joint

Answer 39

Femorotibial joint | Patellofemoral joint

Question 40

Femorotibial joint

Answer 40

Synovial | Hinge

Question 41

Patellofemoral joint

Answer 41

Synovial | Gliding

Question 42

Complex saclike structures filled with synovial fluid

Answer 42

Bursa

Question 43

2 major bursae

Answer 43

Supracondylar (anterior femur) | Infrapatellar (anterior tibia)

Question 44

Large muscle on anterior aspect of the thigh that is responsible for flexing and extension

Answer 44

Quadriceps femoris muscle

Question 45

Due to overuse, patellar ligament becomes inflamed and pulls away from tibial tuberosity

Answer 45

Osgood Schlatters Disease

Question 46

Found on conditions where there is chronic swelling of the bursa or fluid accumulation in the knee joint

Answer 46

Bakers Cyst (popliteal cyst)

Question 47

Sesamoid bone located in posterior knee area | Approx 25% of population

Answer 47

Flabella

Question 48

Associated with osteoarthritis

Answer 48

Joint space narrowing