Anatomy: Knee Joint

Front 1

Need to identify parts of the lower femur (see Gray)

Back 1

See Gray - includes medial and lateral epicondial, patellar surface, intercondylar notch

Front 2

The patella is the largest ____ bone in the body

Back 2

sesamoid

Front 3

Sesamoid bones are bones which:

Back 3

Develop within the tendons of muscles

Front 4

Articulations of the knee join (bones and areas include)

Back 4

Medial and lateral condyles and epicondyles of the femur, head and neck of the fibula and lateral, medial condyles of tibial and intercondylar eminence

Front 5

Tibial plateau

Back 5

Tibial condyles and teh intercondylar eminence

Front 6

The ____ is the site at which the quadricpes femoris inserts onto the tibia

Back 6

intercondylar eminence

Front 7

The medial and lateral mensici of the knee rest directly on top of the _______

Back 7

medial and lateral condials of the tibia

Front 8

In a lateral readiograph of the patella the ___ is more rounded

Back 8

medial femoral condyle

Front 9

Factors which alter the combined pull of the quadriceps femoris muscles will lead to _____

Back 9

patellar instability

Front 10

Factors which may lead to patella instabiliy

Back 10

patella alta (patellar ligament is long and rides up into the knee joint)

Front 11

The last 30 degrees if extension of the knee joint involves _______

Back 11

rotation between the tibia and fibia

Front 12

The knee joint is in its most stable condition when it is _____

Back 12

Fully extended

Front 13

T/F: the leg can internally rotate at the knee when its fully extended

Back 13

False

Front 14

Anteriorrally the knee is covered by

Back 14

A fibrous capsule

Front 15

Posteriorally the knee is covered by ______

Back 15

tendon of the QF, femoris, patella and patellar ligament

Front 16

The two ligaments that restrict side to side movements are the ______ and _____

Back 16

medial (tibial) collateral ligament and lateral (fibular collateral ligament)

Front 17

The two ligaments taht limit anterior posterior movement are the ____ and ____

Back 17

anterior and posterior cruciate ligaments

Front 18

AL-PM

Back 18

Anterior crucia ligament attached to lateral tibial condyle and postegrior crucia ligament attached to medial femoral condyle

Front 19

T/F: The criuciae are bathed by synovial fluid

Back 19

False

Front 20

Valgus force

Back 20

Medially directed that acts to abduct the leg at the knee

Front 21

Unhappy Triad of O'Donoghue

Back 21

Results from a sever valgus force at th knee: torn MCL, ruptured anterior curicate ligament and a torn medial lemniscus

Front 22

Suprapatellar bursa

Back 22

Cavity that lies above the upper border of the patella

Front 23

Other kneww bursa

Back 23

Prepatellar bursa, suprafecial infrapatellar and deep infrapatellar

Front 24

T/F: The prepatellar, and infrapatellar bursas swell when the synovial cavity swells

Back 24

False - they do not communicate

Front 25

Busra of the posterior knee

Back 25

Popileteus bursa, semimembraneous bursa, gastroencemius bursa

Front 26

Define: Baker's cyst

Back 26

fluid-filled herniation of the synovial memberane lining the posterior aspect of the knee joint

Front 27

Bursa swollen in Baker's cyst

Back 27

gastroencemius or semimembraneous; communicate directely with the bursa

Front 28

Baker's cyst is a complciation of ______

Back 28

chronic swelling of the knee joint's synovial cavity