Electromechanical delay of the vastus medialis obliquus and vastus lateralis in individuals with patellofemoral pain syndrome

HY Chen, CC Chien, SK Wu, JJ Liau… - Journal of Orthopaedic & …, 2012 - jospt.org
Study Design Case-control study. Objective To examine electromechanical delay (EMD) of
the vastus medialis obliquus (VMO) and the vastus lateralis (VL) in individuals with …

Onset timing of electromyographic activity in the vastus medialis oblique and vastus lateralis muscles in subjects with and without patellofemoral pain syndrome

GM Karst, GM Willett - Physical therapy, 1995 - academic.oup.com
Background and Purpose. Inappropriate neural control of the quadriceps femoris muscle
group has been implicated in patellofemoral pain syndrome (PFPS). This study investigated …

Delayed onset of electromyographic activity of vastus medialis obliquus relative to vastus lateralis in subjects with patellofemoral pain syndrome

L Cavazzuti, A Merlo, F Orlandi, I Campanini - Gait & posture, 2010 - Elsevier
Patellofemoral Pain Syndrome (PFPS) is a common musculoskeletal complaint. The
presence of a delay between vastus medialis obliquus (VMO) and vastus lateralis (VL) …

Delayed onset of electromyographic activity of the vastus medialis relative to the vastus lateralis may be related to physical activity levels in females with …

RV Briani, D de Oliveira Silva, MF Pazzinatto… - Journal of …, 2016 - Elsevier
The aims of this study were to examine group differences in muscle activation onset of the
vastus medialis (VM) in relation to the vastus lateralis (VL) and pain level during stair ascent …

Patellar maltracking correlates with vastus medialis activation delay in patellofemoral pain patients

S Pal, CE Draper, M Fredericson… - … American journal of …, 2011 - journals.sagepub.com
Background: Delayed onset of vastus medialis (VM) activity compared with vastus lateralis
activity is a reported cause for patellofemoral pain. The delayed onset of VM activity in …

Delayed onset of electromyographic activity of vastus medialis obliquus relative to vastus lateralis in subjects with patellofemoral pain syndrome

SM Cowan, KL Bennell, PW Hodges… - Archives of physical …, 2001 - Elsevier
Cowan SM, Bennell KL, Hodges PW, Crossley KM, McConnell J. Delayed onset of
electromyographic activity of vastus medialis obliquus relative to vastus lateralis in subjects …

Delayed vastus medialis obliquus to vastus lateralis onset timing contributes to the development of patellofemoral pain in previously healthy men: a prospective study

D Van Tiggelen, S Cowan, P Coorevits… - … American journal of …, 2009 - journals.sagepub.com
Background Delayed onset of vastus medialis obliquus activity has been described in
patellofemoral pain patients. No prospective study investigating the development of …

The test–retest reliability of the onset of concentric and eccentric vastus medialis obliquus and vastus lateralis electromyographic activity in a stair stepping task

SM Cowan, KL Bennell, PW Hodges - Physical Therapy in Sport, 2000 - Elsevier
Study design: Test–retest reliability using a repeated measures design. Objectives: The aim
of this study was to evaluate the test–retest reliability of measurement of onsets of …

Recording the vastii muscle onset timing as a diagnostic parameter for patellofemoral pain syndrome: fact or fad?

Y Wong - Physical therapy in sport, 2009 - Elsevier
PURPOSE AND METHOD: In this literature review, relevant studies on electromyographic
(EMG) onset timing of vastus medialis obliquus and vastus lateralis in people with and …

Muscle force cannot be directly inferred from muscle activation: illustrated by the proposed imbalance of force between the vastus medialis and vastus lateralis in …

F Hug, PW Hodges, K Tucker - Journal of orthopaedic & Sports physical …, 2015 - jospt.org
Muscle force cannot be directly inferred from neural drive assessed using electromyography
(EMG). Although the limitations associated with inferring force from EMG are well known, this …