samenvatting ppt + lesnotities kinesiologie van het kniegewricht, theorie als onderdeel van het vak 'kinesitherapeutisch onderzoek van het onderste lidmaat'
, Kinesiologie vh kniegewricht
1. Osteologie
3 botstukken: patella, tibia, femur
FIBULA & proximale tibiofibulair gewricht NIET
2 gewrichten: tibiofemoraal & patellofemoraal gewricht
1 gewrichtskapsel
1.1. Functie vd knie
Gecontroleerd buigen & strekken vh been onder belasting
Scharniergewricht
As: door mediale & laterale epicondyl
Voorwaarden:
Stabiliteit
Beweeglijkheid
Frontale vlak
Mechanische as
Q-hoek= fysiologische valvus hoek: 10-15°
Gevormd door 2 lijnen
1) van SIAS midden patella
2) van tuberositas tibia midden patella
Optimale werking vd M. quadriceps
A) Q-hoek>15°: X-benen= genua valva
B) Q-hoek<15°: O-benen= genua vana
- Q-hoek vrouwen > Q-hoek mannen
Bredere bekken
1.2. Tibiofemoraal gewricht
Distale uiteinde vd femur:
- Katrolvorming
- 2 condylen: convex
- Naar achteren: fossa intercondylaris
Tibia:
- 2 concaaf gevormde groeven naast elkaar
Gescheiden door eminentia intercondylaris
Varusstand: vernauwing vd mediale gewrichtsspleet
Sagitale vlak
Nulstand: 0° extensie
A) Hyperextensie
B) Genu flexorum
Femurcondylen: kop
Mediale > laterale
Fossa intercondylaris (kruisbanden)
2
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