Knee Complex

Question 1

What is unhappy triad

Answer 1

An injury where there was a force applied on the lateral side which caused an excessive Valgus force

Question 2

Unhappy Triad Ligaments affected

Answer 2

Medial Collateral ligament
media meniscus
Anterior Cruciate Ligament

Question 3

What does Medial Collateral Ligament limit

Answer 3

Valgus Force
25 degrees of flexion: Almost 80% protection against valves stress

Question 4

Proximal attachment of MCL

Answer 4

Medial Epicondyle of Femur

Question 5

Distal Attachment of MCL

Answer 5

Ant: Middle superior aspect of medial tibia posterior to pes anserine

Post: distally to Medial Posterior joint capsule, medial meniscus and tendon of semimembranosus muscle

Question 6

MCL ANTERIOR PORTION IS TAUT DURING

Answer 6

FLEXION

Question 7

MCL POSTERIOR PORTION IS TAUT DURING

Answer 7

EXTENSION

Question 8

LATERAL COLLATRAL LIGAMENT LIMITS

Answer 8

VARUS FORCE
KNEE EXTENSION

Question 9

PROXIMAL ATTACHMENT OF LCL

Answer 9

LATERAL EPICONDYLE OF FEMUR

Question 10

DISTAL ATTACHMENT OF LCL

Answer 10

HEAD OF FIBULA AND MERGES WITH THE TENDON OF BICEPS FEMORIS

Question 11

OBLIQUE POPLITEAL LIGAMENT PROXIMAL ATTACHMENT

Answer 11

POSTEROMEDIAL TIBIA NEAR SEMIMEMBRANOSUS INSERTION

Question 12

DISTAL ATTACHMENT OF OBLIQUE POPLITEAL LIGAMENT

Answer 12

POSTEROLATERAL FEMUR NEAR LATERAL GASTROCNEMIUS HEAD

Question 13

OBLIQUE POPLITEAL LIGAMENT LIMITS

Answer 13

HYPEREXTENSION ON POSTERIOR KNEE

Question 14

ARCUATE POPLITEAL LIGAMENT LIMITS

Answer 14

HYPEREXTENSION AND ROTATIONAL FORCES

Question 15

ACL LIMITS

Answer 15

ANTERIOR TRANSLATION OF TIBIA ON FEMUR

POSTERIOR TRANSLATION OF FEMUR ON TIBIA

HYPEREXTENSION

RESIST VALGUS VARUS AND AXIAL ROTATION

Question 16

ACL PROXIMAL ATTACHMENT

Answer 16

ANTERIOR INTERCONDYLAR TIBIAL FOSSA BEHIND ANTERIOR ATTACHMENT OF MEDIAL MENISCUS

Question 17

DISTAL ATTACHMENT OF ACL

Answer 17

POSTEROMEDIAL ASPECT OF LATERAL FEMORAL CONDYLE

Question 18

C-SHAPED, ATTACHES TO MCL

Answer 18

MEDIAL MENISCUS

Question 19

CIRCULAR, NOT ATTACHED TO LCL BC OF THE TENDON OF POPLITEUS

Answer 19

LATERAL MENISCUS

Question 20

TRUE OF FALSE MEDIAL MENISCUS IS MORE SECURELY ANCHORED THAN LATERAL MENISCUS

Answer 20

TRUE

Question 21

LIGAMENT OF HUMPREY MOTION IT LIMITS

Answer 21

ANCHORS LATERAL MENISCUS

Question 22

LIGAMENT OF WRISBURG

Answer 22

STABILIZES LATERAL MENISCUS

Question 23

EXTERNAL 1/3 ARE VASCULARIZED

Answer 23

RED ZONE

Question 24

INNER 2/3 ARE ESSENTIALLY AVASCULAR

Answer 24

WHITE ZONE

Question 25

NARROW JUNCTION B/W RED AND WHITE ZONE

Answer 25

PINK ZONE

Question 26

PES ANSERINUS TENDONS INCLUDE

Answer 26

SARTORIUS SEMITENDINOSUS GRACILIS

Question 27

SERVES AS CONTINUATION OF QUADRICEPS TENDON AND PROTECTS KNEE

Answer 27

PATELLAR LIGAMENT/TENDON

Question 28

PATELLAR LIGAMENT/TENDON PROXIMAL AND DISTAL ATTACHMENT

Answer 28

APEX OF PATELLA, TIBIAL TUBEROSITY

Question 29

IF THERE IS TIGHTNESS IN THE ILIOTIBIAL BAND THE PATELLA WILL TRACK MORE (MEDIAL AND LATERAL)

Answer 29

LATERAL

Question 30

KNEE FLEXORS

Answer 30

PRIMARY: HAMSTRINGS GRACILIS GASTROCNEMIUS PLANTARIS SECONDARY: SARTORIUS

Question 31

KNEE EXTENSORS

Answer 31

QUADRICEPS MUSCLES 2ND: TENSOR FASCIA LATAE

Question 32

KNEE ER

Answer 32

BICEPS FEMORIS

Question 33

KNEE IR

Answer 33

SEMITENDINOSUS SEMIMEMBRANOSUS GRACILIS POPLITEUS 2ND: SARTORIUS

Question 34

ARTHRO FOR TIBIOFEMORAL JOINT DURING FLEXION OKC

Answer 34

ROLL AND SLIDE POSTERIOR

Question 35

ARTHRO FOR TIBIOFEMORAL JOINT DURING EXTENSION OKC

Answer 35

ROLLS AND SLIDE ANTERIOR

Question 36

ARTHRO FOR TIBIOFEMORAL JOINT DURING FLEXION CKC

Answer 36

ROLLS POSTERIOR SLIDES ANTERIOR

Question 37

ARTHRO FOR TIBIOFEMORAL JOINT DURING EXTENSION CKC

Answer 37

ROLLS ANTERIOR SLIDES POSTERIOR

Question 38

TIBIOFEMORAL IR AND ER

Answer 38

SPINS

Question 39

DURING FLEXION PATELLA SLIDES

Answer 39

INFERIOR

Question 40

DURING EXTENSION PATELLA SLIDES

Answer 40

SUPERIOR

Question 41

OKC OF TIBIA ON FEMUR SCREWHOME MECHANISM

Answer 41

ER 10-20 DEGREES ON FIXED FIBULA