Z331 Fall 2010 Ecampus Week 2 Lecture 6 Joint Movements Posted

Z331 Fall 2010 Ecampus Week 2 Lecture 6 Joint Movements Posted

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Week 2: Lecture 5: Chapter  9 –   Joints: Movements
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Types of Dynamic  Motion Figure 9–2, 263 Linear motion (gliding) 2 surfaces glide past each other  Angular motion Rotation Linear Motion
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Planes (Axes) of Dynamic  Motion Monaxial (1 axis) Biaxial (2 axes) Triaxial (3 axes) Mobile joints Nonaxial gliding joints  w/small amounts  of movement Saladin, 4 th  ed., fig. 9.10
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Angular motion Anterior–posterior plane Flexion:  reduces  angle  between elements  Extension:  Increases  angle  between elements Saladin, 4 th  ed., fig. 9.12 Arm Forearm Saladin, 4 th   ed., fig.  9.19
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Abduction Angular motion Frontal plane Adduction  (A-D  duction) “Adding” to the  body Moves  toward   longitudinal axis Abduction (A-B  duction) Moves  away  from  longitudinal  axis Figure 9–3, 265 Saladin, 4 th  ed., fig. 9.13
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Z331 Fall 2010 Ecampus Week 2 Lecture 6 Joint Movements Posted

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