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Effects of muscle fatigue on 3-dimensional scapular kinematics1

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Presentation on theme: "Effects of muscle fatigue on 3-dimensional scapular kinematics1"— Presentation transcript:

1 Effects of muscle fatigue on 3-dimensional scapular kinematics1
Nian-Tuen Tsai, MS, PT, Phil W. McClure, PhD, PT, Andrew R. Karduna, PhD  Archives of Physical Medicine and Rehabilitation  Volume 84, Issue 7, Pages (July 2003) DOI: /S (03)

2 Fig 1 Experimental placement of the Polhemus transmitter and receivers. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

3 Fig 2 Schematic identification of scapular landmarks and axes of rotation. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

4 Fig 3 Mean change in 3-dimensional scapular rotations due to fatigue protocol (data represent after minus before): (A) anterior/posterior (AP) tilting, (B) upward/downward rotation, and (C) internal/external rotation. Error bars represent the SE of the mean. ∗P<.05. Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )

5 Fig 4 Representative correlation between scapular anterior/posterior tilting and percentage decrease of external rotation torque production. This example is at the minimal position of humeral elevation (r=0.6, P<.01). Archives of Physical Medicine and Rehabilitation  , DOI: ( /S (03) )


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