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Effect of Isometric Upper-Extremity Exercises on the Activation of Core Stabilizing Muscles
Sami P. Tarnanen, MSc, Jari J. Ylinen, MD, PhD, Kirsti M. Siekkinen, PT, Esko A. Mälkiä, PhD, Hannu J. Kautiainen, BA, Arja H. Häkkinen, PhD Archives of Physical Medicine and Rehabilitation Volume 89, Issue 3, Pages (March 2008) DOI: /j.apmr Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 1 Maximal isometric force measurement of the trunk. (A) Exercise 1: flexion; (B) exercises 2 and 3: lateral flexion to the right and left; and (C) exercise 4: extension. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 2 Maximal isometric force measurement of the upper limb with the pelvis supported. (A) Exercises 5 and 6: shoulder extension and flexion; (B) exercises 7 and 8: shoulder horizontal extension and flexion; and (C) exercise 9: bilateral shoulder extension. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 3 The averaged surface electromyographic amplitude (EMG) of the left and right rectus abdominis muscles during maximal isometric efforts of the different study exercises. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 4 The averaged surface electromyographic amplitude of the left and right obliquus externus abdominis muscles during maximal isometric efforts of the different study exercises. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 5 The averaged surface electromyographic amplitude of the left and right longissimus muscles during maximal isometric efforts of the different study exercises. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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Fig 6 The averaged surface electromyographic amplitude of the left and right multifidus muscles during maximal isometric efforts of the different study exercises. Archives of Physical Medicine and Rehabilitation , DOI: ( /j.apmr ) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
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