Knee Joint

Front 1

What type of joint?

Back 1

True synovial joint of the modified hinge type

Front 2

Articulations btwn __ and __ as well as __ with __

Back 2

Femoral and tibial condyles

Femur w/ patella

Front 3

Osseous modifications for joint stability include an overall increase in surface area via expanded ___ of femur as well as expanded __

Back 3

roller surface

tibial plateau

Front 4

The joint is supported by ___ attachments, ___ ligaments that cross the joint, ___ ligaments, and strong ___ ligaments

Back 4

muscular

capsular

intracapsular

collateral

Front 5

Capsule:

1. attached superiorly to ___ and ___

2. attached inferiorly to ____

3. thickest __ where it is reinforced w/ ligamentous expansions of muscular attachments

4. laterally is buttressed by __

5. anteriorly is buttressed by___

6. has small openings (mainly __) which provide for communication btwn __ &__

Back 5

1. non-articular portion of the condyles and intercondylar fossa of femur

2. margins of tibial condyles

3. posteriorly

4. iliotibial tract

5. expansions of fascia lata

6. posteriorly; muscular bursae and synovial cavity of the joint

Front 6

Lateral and medial patellar retinacula:

1. expansions of __ and __ respectively

2. pass from attachments of these muscles on the __ to the __ as far posterior as the collateral ligaments

Back 6

1. vastus lateralis and medialis

2. patella; tibial condyles

Front 7

Oblique popliteal ligament:

1. expansion of __ tendon superolaterally toward ___

Back 7

1. semimembranosus; lateral femoral condyle

Front 8

Arcuate popliteal ligament:

1. expansion of the attachment of __ muscle to the ___

2. arches superiorly and medially over __muscle

Back 8

1. biceps femoris; fibular head

2. popliteus

Front 9

What are the extra-capsular ligaments?

Back 9

Ligamentum patellae, collateral ligaments (medial/tibial collateral lig. and lateral/fibular collateral lig.)

Front 10

Ligamentum patellae:

1. extension of __ tendon

2. goes across the __ to the ___

Back 10

1. quadriceps

2. patella to tibial tuberosity

Front 11

Collateral ligaments:

1. medial/tibial collateral lig, is __ and __ but tough

2. it passes from ___ to ___

3. it is attached to __

4. lateral/fibular collateral lig. is __-like cord from___ to ___

5. the tendon of __ passes btwn it and capsule of knee so that no attachment of it to __ is possible

Back 11

1. broad and thin

2. medial femoral epicondyle to upper medial portion of tibia below condyle

3. medial meniscus

4. pencil; lateral femoral epicondyle to head of fibula

5. popliteus muscle; lateral meniscus

Front 12

Synovium:

1. lines interior of joint except __ & __

2. infrapatellar synovial fold extends from infrapatellar fat pad to cruciate ligaments, & with them, divides joint space into __compartments

3. suprapatellar bursae is extension of synovial cavity beneath__

Back 12

1. articular surfaces & cruciate ligaments

2. lateral and medial tibiofemoral

3. quadriceps tendon

Front 13

Since cruciate ligaments are not lined w/ synovium, they are ___, yet ___

Back 13

intracapsular; extra synovial

Front 14

Lateral meniscus:

1. what shape?

2. attached to ___

3. helps to do what?

Back 14

1. lunar

2. intercondylar area anteriorly and posteriorly

3. cushion joint & stabilize articulation by deepening the articular surfaces

Front 15

Medial meniscus:

1. what shape?

2. attached to ___

3. helps to do what?

Back 15

1. semi-lunar

2. intercondylar area anteriorly and posteriorly

3. cushion joint & stabilize articulation by deepening the articular surfaces

Front 16

__ ligaments attach lateral margins of menisci to margins of tibial plateau

Back 16

Coronary

Front 17

The menisci are attached to each other via __ ligament

Back 17

Transverse genicular

Front 18

Anterior cruciate ligament:

1. from __ surface of __ femoral condyle

2. to __ intercondylar area

3. prevents __ displacement of femur when foot is firmly fixed

Back 18

1. medial; lateral

2. anterior

3. posterior

Front 19

Posterior cruciate ligament:

1. from __ surface of __ femoral condyle

2. to __ intercondylar area

3. prevents __ displacement of femur when foot is firmly fixed

Back 19

1. lateral; medial

2. posterior

3. anterior

Front 20

Meniscofemoral ligaments:

1. function to keep menisci from what?

2. stabilizes knee during __ translation of lateral femoral condyle

3. two portions?

Back 20

1. being trapped during knee flexion

2. posterior

3. anterior and posterior

Front 21

Anterior meniscofemoral ligament:

1. extends from __ meniscus to blend superiorly w/ __ surface of posterior cruciate ligament

Posterior meniscofemoral ligament:

2. extends from__ meniscus to blend superiorly w/ __ surface of posterior cruciate ligament

Back 21

1. lateral; anterior

2. lateral; posterior

Front 22

What is the articular supply of this joint?

Back 22

Genicular anastomosis

Front 23

Innervated by which nerves that innervate the muscle that surround the joint (4)?

Back 23

Femoral, obturator, tibial, and common fibular nerves