Arthrokinematics of knee Flashcards by Rosie Harding | Brainscape

Q

Shape of;
Tibia
Femur

A

Tibia - concave

Femur - convex

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Q

Extension/flexion of knee axis of movement

A

Coronal axis

Sagittal plane

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Q

Extension of knee

Foot on ground (fixed tibia)

A

Femur rolls forwards
Slides backwards
Rotates medially on tibial plateau
(Closed pack position)

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Q

Extension of knee

Foot off ground (femur fixed)

A

Tibia rolls forwards
Slides forwards
Spins lateral on femoral condyles
(Closed pack position)

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Q

Flexion of knee

Foot on ground (tibia fixed)

A

Femur laterally rotates on tibia to unlock knee
Slides forwards
Rolls backwards
(Open pack position)

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Q

Flexion of knee

Foot off ground (femur fixed)

A

Tibia rotates medially on femur to unlock knee
Slides backwards
Rolls forwards
(Open pack position)

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