The Knee "Greathouse"
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Which femoral condyle is longer? | medial
🗑
|
||||
| Which joint in the knee has the thickest articular cartilage in the body? | patellofemoral
🗑
|
||||
| What position has the most stability and is generally avoided during joint testing? | closed-packed position
🗑
|
||||
| What position results in less stability, is the best joint to test the ligaments of a joint, and decreases congruency? | loose-packed position(same as open-packed...I think)
🗑
|
||||
| What is the largest joint in the body? | the knee
🗑
|
||||
| Which ligament in the knee attaches anteriorly on the tibia and proceeds to the medial portion of the lateral femoral condyle. | ACL
🗑
|
||||
| Which ligament is the major stabilizer of the knee? | PCL
🗑
|
||||
| Which ligament limits the anterior translation of the tibia on the femur? | ACL
🗑
|
||||
| Which ligament attaches posteriorly on the tibia and proceeds to the lateral portion of the medial femoral condyle? | PCL
🗑
|
||||
| Which ligament limits posterior translation of the tibia on the femur? | PCL
🗑
|
||||
| This ligament is actually part of the IT band and its fibers extend from the linea aspera of the femoral condyle to gerdy's tubercle. | the anterolateral femorotibial ligament
🗑
|
||||
| The deep portions of this ligament provide passive stabilization of the knee joint and tightens with knee flexion. | the anterolateral femorotibial ligament
🗑
|
||||
| A fibrocartilagenous structure anchored by anterior and posterior horns to the intercondyler eminence is called what? | Meniscus
🗑
|
||||
| This meniscus is less mobile, attached to the MCL, and c-shaped | Medial meniscus
🗑
|
||||
| This meniscus is more mobile and circular shaped. | Lateral Meniscus
🗑
|
||||
| What are the functions of the menisci?(3) | increase congruence, shock absorption, and spreads synovial fluid
🗑
|
||||
| Anatomic studies have shown that the degree of penetration of vascularization is __-__% of the width of the medial meniscus and __-__% of the width of the lateral meniscus. | 10-30%, 10-25%
🗑
|
||||
| T or F. There are no neural elements within the meniscal tissue. | False. nerve fibers have been detected in the peripheral body, and the anterior and posterior horns are the most richly innervated.
🗑
|
||||
| What type of motion can cause a meniscal tear? | non-physiologic combo of rotation and forced flexion or extension
🗑
|
||||
| IS there pain associated with a meniscal tear? Why/ | yes, menisci are penetrated by nerves
🗑
|
||||
| What part of the menisci are vascular? | mainly the periphery
🗑
|
||||
| Is there typically bleeding with a meniscal tear? How does this affect healing? | no, little healing due to lack of blood
🗑
|
||||
| How do you diagnose OA in the clinic?(three things) | history, physical, and radiological exam
🗑
|
||||
| What are the functions of the patellofemoral joint?(4 things) | 1. facilitates extension of the knee, 2.Decreases friction of the quadriceps mechanism, 3.acts as a guide for the quads, 4.protects the trochlea and femoral condyles
🗑
|
||||
| The patellofemoral joint increases the torque by as much as __%. | 50%
🗑
|
||||
| The ______ part of the patella is articular and accounts for 75% of the height. | superior
🗑
|
||||
| What is the largest facet on the patella?(medial or lateral) | lateal
🗑
|
||||
| What are the two sections of the medial portion of the patella? | medial and odd facets
🗑
|
||||
| Is the inferior part of the patella articular? | no
🗑
|
||||
| The odd facet of the patella is engaged at approximately ___ degrees. | 135
🗑
|
||||
| What muscle "unlocks" the knee? | popliteus
🗑
|
||||
| What kinetic chain is used to protect ligaments like the cruciates in early rehabilitation? | closed kinetic chain
🗑
|
||||
| What kinetic chain involves both ends being fixed? | closed kinetic chain
🗑
|
||||
| What kinetic chain involves the feet being free to move? | open kinetic chain
🗑
|
||||
| Which kinetic chain results in much greater shear forces of the tibia on the femur? | open kinetic chain
🗑
|
||||
| ___ side of the femur sits on the tibia like a wheel on a plate, while the ___side sits like a wheel on a dome. | medial; lateral
🗑
|
||||
| For the screw home mechanism of the knee, the tibia ___ with ext and ___ with flex. | ER; IR
🗑
|
||||
| Which side of the femur reaches closed pack position first with extension? | lateral
🗑
|
||||
| What is the order of the mm's attaching to the pes anserine?(from most to least superficial) | Sartorious, Gracilis, Semitendinosus
🗑
|
||||
| What position (open or closed-packed) is more commonly used for ligamentous assessment? | Open-packed
🗑
|
||||
| What should always be assessed with disarticulated knee? | Distal blood supply (dorsal pedis, post tib pulse) and sensation
🗑
|
||||
| Is the joint capsule a closed sleeve (in other words is it closed off from other tendons and joints crossing through it)? | No, openings for the popliteus tendon and quadriceps tendon
🗑
|
||||
| Name 4 structures within the knee that are intracapsular, but extrasynovial. | ACL, PCL, popliteus mm, infrapatellar fat pad
🗑
|
||||
| What would one expect with menisectomy..years down the road? | Almost always have DJD +10 years post-op.
🗑
|
||||
| Name the bursa of the patella | suprapatellar, subcutaneous prepatellar, subcutaneous infrapatellar, deep infrapatellar
🗑
|
||||
| knee AROM? | 0-135 degrees
🗑
|
||||
| What are the lateral forces of the patellofemoral jt? | q angle, lateral retinaculum, screw-home mechanism
🗑
|
||||
| What are the medial forces of the patellofemoral jt? | lateral trochlea, resistance of the medial reinaculum, perpendicular resultant forces due to quad pull, vastus medialis mm
🗑
|
||||
| What branches from the femoral artery medially just before the adductor hiatus? | Descending genicular artery which branches into the Saphenous branch(medially) and articular branch (laterally)
🗑
|
||||
| Name the branches from the popliteal artery that form around the knee. | medial superior genicular, lateral superior genicular, medial inferior genicular, lateral inferior genicular, unpaired middle genicular branch
🗑
|
||||
| What supplies blood to the intercondylar notch and cruciate ligs? | unpaired middle genicular branch
🗑
|
||||
| What is Hilton's law? | nerves that innervate jts are the same for the muscles of the jt and skin of the jt
🗑
|
||||
| Name the muscles that border the popliteal fossa. | biceps femoris, semimembranosus, gastrocs (med and lat head)
🗑
|
||||
| Name the contents of the popliteal fossa. | sciatic nerve (c. fib and tibial branches0, sural nerve, small saphenous v., post cutaneous n to thigh
🗑
|
||||
| What nerve is the chief supplier to the flexors of the knee? | tibial
🗑
|
||||
| what makes up the floor of the popliteal fossa? | the oblique popliteal ligament, popliteus, popliteal surface of femur
🗑
|
||||
| Is the joint capsule of the knee a completely closed sleeve? | no
🗑
|
||||
| There are openings in the knee joint capsule for what two things? | popliteus tendon, and quadriceps tendon
🗑
|
||||
| What lines the capsule and and covers all the intraarticular structures except the menisci? | the synovial membrane
🗑
|
||||
| What three things are considered intracapsular but extrasynovial? | cruciate ligaments, popliteus muscle, and infrapatellar fat pad.
🗑
|
||||
| What is the ligament of humphrey? | the anterior meniscofemoral ligament
🗑
|
||||
| What is the ligament of wrisberg? | posterior meniscofemoral ligament
🗑
|
||||
| What ligaments are portions of the capsule that attach to the medial and lateral mensicus? | coronary ligaments
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
txst sum 2009
Popular Physical Therapy sets