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9 Cards in this Set
- Front
- Back
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What is the biomechanical definition of the 1st ray
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1st cuneiform
1st metatarsal |
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What is the surgical definition of the 1st ray?
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1st metatarsal
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What are the 2 articulations that make up the 1st ray
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navicular-cuneiform
cuneiform-metatarsal |
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What motion occurs at the first ray
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dorsiflexion and inversion
plantarflexion and eversion adduction at transverse plane |
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What are the angles of the axis?
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45 from sagittal
45 from frontal 9 from frontal |
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Why doesn't the 1st ray contribute to supination/pronation?
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because it is angulated in the opposite direction
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Which joint in the 1st ray has the most motion?
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navicular cuneiform
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Which direction is the axis of the first ray angulated
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Proximal, Dorsal, Medial
To Distal, Plantar, Lateral |
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Where is neutral position of the first ray?
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the center of it's ROM
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