ARTICULAR MOTIONS HIGH YIELD MPJ Flashcards

1
Q

what joints are involved in the articular motions in addition to motion?

A
First MPJ
First Ray
Fifth Ray
Midtarsal Joint
Subtalar Joint
Ankle Joint
Knee Joint
Hip Motion
Upper Trunk Motion
Lower Limb Transverse Plane
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2
Q

the first MPJ has what 2 distinct axis of motion?

A

transverse axis

vertical axis

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3
Q

the transverse axis allows for what motion?

A

pure sagittal plane motion resulting in dorsiflexion/plantarflexion

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4
Q

the vertical axis allows for what motion?

A

pure transverse plane motion resulting in adduction/abduction

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5
Q

T/F, normally no frontal plane motion?

A

T, if present this causes shift in normal axis allowing for abnormal motion

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6
Q

what results in subluxation of the MPJ?

A

anytime hallux is inverted (varus) or everted (valgus)

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7
Q

what is the minimum ROM for normal locomotion of the MPJ? what does the hallux normally dorsiflex at?

A

65-75 degrees

20-30 degrees, so the first metatarsal must plantarflex to allow the additional 45 degrees of dorsiflexion needed for the propulsion

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8
Q

at actual propulsion, the what is the tibia angle?

A

45 degrees forward

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9
Q

foot is plantar flexed at what angle?

A

20 degrees

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10
Q

what is the angle between sole of foot and ground?

A

65 degrees with hallux firm against ground

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