Task-specificity of bilateral anticipatory activation of the deep abdominal muscles in healthy and chronic low back pain populations

Highlights • TrA/IO activity is symmetrical and anticipatory for bilateral but not for unilateral limb movements. • Anticipatory activation of TrA/IO is task-specific owing to the conditions of postural demands. • Hamstring is delayed during shoulder flexion in CLBP suggesting a role in lumbopelvic...

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Veröffentlicht in:	Gait & posture 2015-02, Vol.41 (2), p.440-447
Hauptverfasser:	Massé-Alarie, Hugo, Beaulieu, Louis-David, Preuss, Richard, Schneider, Cyril
Format:	Artikel
Sprache:	eng
Schlagworte:	Abdominal Muscles - physiology Adult Anticipatory postural adjustment Ballistic movement Bilateral shoulder flexion Chronic low back pain Chronic Pain - physiopathology Cross-Sectional Studies Deep abdominal muscles Electromyography Female Hip - physiopathology Humans Low Back Pain - physiopathology Male Middle Aged Muscle Contraction - physiology Orthopedics Posture - physiology Prone hip extension Range of Motion, Articular - physiology Sensitivity and Specificity Shoulder - physiopathology
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Beschreibung
Zusammenfassung:	Highlights • TrA/IO activity is symmetrical and anticipatory for bilateral but not for unilateral limb movements. • Anticipatory activation of TrA/IO is task-specific owing to the conditions of postural demands. • Hamstring is delayed during shoulder flexion in CLBP suggesting a role in lumbopelvic control.
ISSN:	0966-6362 1879-2219
DOI:	10.1016/j.gaitpost.2014.11.006