Lernkarten

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Erstellt / Aktualisiert 10.07.2019 / 10.07.2019
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0 Exakte Antworten 84 Text Antworten 0 Multiple Choice Antworten
Fenster schliessen
Express the magnitude of the hip joint forces during bilateral and unilateral stance as ratios of the subject’s total body weight.
The magnitude of the hip joint force is equal to 0.4 total body weight during bilateral stance, and 3.2 total body weight during unilateral stance.
Fenster schliessen
Name the two articulations that comprise the knee joint.
The two articulations which comprise the knee joint are the tibiofemoral and the patellofemoral.
Fenster schliessen
What type of bone is the patella?
The patella is a sesamoid bone.
Fenster schliessen
What gives the knee joint its stability?
The stability of the knee joint is derived from its ligaments, in particular the cruciate and collateral.
Fenster schliessen
Describe how the knee joint’s centre of rotation changes in the sagittal plane as it flexes and extends.
The knee joint's centre of rotation in the sagittal plane follows a semicircular path as it flexed and extended.
Fenster schliessen
In which plane does the majority of knee motion occur?
The majority of knee joint motion occurs in the sagittal plane.
Fenster schliessen
How is the range of motion in the transverse plane dependent on the amount of flexion and extension?
The range of motion in the transverse plane is almost zero at full extension, increases with flexion to a maximum at around 90° of flexion and reduces with further flexion.
Fenster schliessen
During standing up how will the amount of motion in the sagittal plane be affected when the height of the chair is lowered?
If the height of the chair is lowered then the range of knee joint motion required in the sagittal plane will be increased since the knee will start at a position of greater flexion.