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60 Cards in this Set
- Front
- Back
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bones invloved in the knee
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Femur and Tibia Patella is in the area
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Femur landmarks
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medial condyle,laterial condyle medial epicondyle,laterial epicondyle,troclea,adductor tubercle,popliteal area,linea aspera
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wolf law
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Bone will remodle according to force put on it
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medial and laterial condyle
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laterial rocker and the medial rocker on the bottom of femur Medial is the bigger than laterial
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medial amd laterial epicondyle
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sides of the femur at the knee that stick out
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trochlea
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groove in the front that the pattella sits in between the condyles
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adductor tubercle
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most promiment bump on the on the medial side superior to the epicondyle
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popliteal area
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behind the knee above the trochlea
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linea aspera
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rough line up back of shaft of femur
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Tibia Landmarks
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Plateau, medial and laterial condyle, tibial tuberosity, popliteal area, pes anserinus
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plateau
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top of the tibia
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medial condyle and laterial condyle of tibia
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the medial half of the plateau edges and the laterial half of the plateau edges
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tibial tuberosity
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Big bump on front of tibia under knee cap area
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Osgood Schatters Disease
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Boys more than girls
the tibaila tuberosity gets inflammed by the bone growing faster than the tendon the tendon is stretched so tight that it pulls away from the bone,causes it to get bigger |
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popliteal area
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back of the tibia behind the knee
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pes anserinus
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"goose foot" medial to tibial tubericle insertion of muscles here
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Patella landmarks
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pellla shaped like a upside down triangle
base, apex, medial and laterial articular facets |
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patella base
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wide part at the top of the knee cap
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patella apex
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bottom pointy part
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medial and laterial articular facets
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underneath surface of patella when it articules with femur it slides up and down in the troclea
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Fibula landmarks
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styloid process, head , neck
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Fibula styloid process
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pointy top at the proximal end
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fibula head
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rounded part at the top
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fibula neck
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just underneath the fat wide part or the head is the neck
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Pelvis landmarks
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AIIS ans ASIS and Ischial tuberosity
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Anterior Superior Illac Spine
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Pelvis landmark pointy part that sticks out front
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Anterior Inferior Illac Spine
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Pelvis landmark pointy part about pocket hgight below ASIS
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Ischial tuberosity
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sit down bones or the butt bones
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Articulations
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femur to tibia, patella to femur, proximal tibial
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Femure to tibia
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synovial hinge (diarthrodial) gliding
Movement: modified to lock your knees |
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Screw Home Mechanism
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Purpose: better stablity
end of ext tibia turns out the ability to lock knees |
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patella to femur
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where the oatella glides in the trochlear goove of femur,e embedded in tendon can produce crepitus sondition, indic. wearing out of cart. on the back of patella
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proximal tibial-fibula articulation
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Synovial gliding of the fibula
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Cartilage and Ligaments at Knee
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Minuscus, medial minuscus, laterial meniscus
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Minuscus
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sits on top of tibia C shaped cushions femur and tibia and hold s the femur in place
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Medial Meniscus
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C shaped sits of the medial side is BIGGER, has beveled edges at top inside edges are tacked but moveable
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Laterial Meniscus
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SMALLer more O shaped than C shaped beveled edges thicker on outside thinner inside, inside edge is free to move around
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Ligaments - Job and located
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Job: limit motion and provide stability, attach bones to bone
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patella to tibia
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a sesimoid bone embedded in quadriceps femoris tendon, attaches to tibial tuberosity via patellar ligament.
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anterior cruciate ligament
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on anterior Tibia - A C L
cruciate means to cross |
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Ligaments to knee
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Patella to tibia, anterior and posterior cruciate ligaments, laterial and medial collaterial ligaments
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posterior cruciate ligament
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starts on posterior tibia crosses ...cruciate means to cross
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laterial collaterial ligament (Fibular collateral)
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femur to fiblua and is NOT attached to laterial miniscus smaller and go side to side
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medial collaterial ligament (tibial collaterial)
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Bigger and stronger from femur to tiabia ATTACHES to medial miniscus
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Unhappy triad
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bad ACL, Medial Miniscus, Medial collaterial ligament
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joint capsule is?
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not including the patella, it cover the femur/ and tibia/ but the patella sits outside it
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Bursae
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flat pillow filled with synovial fluid Job- to be a cushion protecting soft tissue from hard tissue
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Movements of the knee
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extention, flexion, medial internal rotation, laterial (external rotation
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Muscles of the Quadriceps
Anterior thigh - major job at knee |
rectus femoris, vastus lateralis, vastus intermedius, vastus medialis, VMO- vastus medialis obliquus
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rectus femoris
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part of quads, front in thigh
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vastus laterslis
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lateral quad
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vastus intermedius
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middle under the rectus femorism part of the quads
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wastus medialis
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medial quad inside
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vastus medialis obliquus
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VMO medial side makes a ball at your knee
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Hamstring group - Posterior thigh major job is at knee flexor
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bicept femoris, semimembranosus,
semitendinosus |
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Other group,
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gastroc, plantaris, popliteus, gracilis,sartorius,tensor fascia latae,
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popliteus
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1 joint musle only job id to unlock knee from screw home mechanism
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gracilis
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most medial hip muscle cross the knee joint
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sartorius
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longest strap muscle
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tensor fascia latae
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short muscle inserts on tibia
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