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Samenvatting SV theorie knie OL
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2021Kinesiologie knie
SAMENVATTING
ELLEN COLLINS
, Inhoudstabel
Inleiding
- 3 beenderen: femur, tibia en patella
- Kniegewricht: tibiofemorale en patellofemorale binnen 1 gewrichtskapsel
- Fibula en proximale tibiafibulair gewricht (buiten kniegewricht)
Osteologie: biomechanische aspecten
- Knie = schakel tussen enkel/voet en heup
Scharniergewricht
Flexie-extensie rond TV-as (parallel aan lijn mediale en laterale femur epicondyle)
- Q- hoek
Gevormd door 2 lijnen
SIAS en midden patella
Midden patella en midden tuberositas tibiae
Normale waarde: 10-15 graden
Fysiologische valgusstand
Werking quadriceps
Omgekeerde Q-hoek: genu varum (O-benen)
Vergrote Q-hoek: genu valgum (X-benen)
- Stand: 0 graden
Meer extensie: genu recurvatum
Meer flexie: genu flexum
- 2 condylen (mediale > laterale) vormen kop gewricht, ertussen fossa intercondylaris
Kruisbanden aanhechten
Spiraalvormig met sterkere kromming achterzijde
Mediale ook iets hoger dan laterale
- Kom gewricht gevormd door tibiaplateau
Condylen die schotelvorm vertonen -> 8 graden achterwaarts, klein verschil mannen-
vrouwen
Voorzijde condyli: patella (= grootste sesambot)
- Belangrijk high impactlandingen, en stabiliseren van knie daarbij in mogelijke relatie tot
kruisbandletsels
- Patella
Opgenomen in pees quadriceps
Bij gebogen been: in wigwormige ruimte tussen mediale-laterale epicondyli, gevormd door
facies patellaris
Spoor gehouden bij buiging door mediale-laterale retinaculum patellae
Medial: retinaculum met vastus medialis en insertie kniebuigers (=semimembranosus)
Lateral: retinaculum met vastus lateralis en tractus iliotibialis
Kan verstoord worden door patellofemorale pijnsyndroom
+ de heup, want tractus iliotiberalis ook functie heupgewricht
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