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Robinson_ETDTemplateAPAStyle.pdf (3.28 MB)
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The Effect of Functional Electrical Stimulation (FES) Applied to the Gluteus Medius During Resistance Training
Author Info
Robinson, Matthew M
ORCID® Identifier
http://orcid.org/0000-0001-8839-7855
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525343063114996
Abstract Details
Year and Degree
2018, Master of Science, University of Toledo, Exercise Science.
Abstract
Context: Gluteus medius (GMed) weakness is a common impairment for a variety of pathologies. Clinical presentation of GMed weakness during tasks like the single leg squat (SLS) is increased hip adduction, internal rotation, and knee valgus. It is essential to optimize the function of this muscle to prevent injury. Functional electrical stimulation (FES) is an emerging treatment to improve activation of impaired muscles. Objective: The purpose of this study was to examine the effectiveness of a strengthening intervention with or without FES on GMed function, when assessed by strength, muscle activation, and frontal plane kinematics. Design: Randomized Controlled Single-Blinded Controlled Laboratory Trial. Setting: Laboratory. Patients or Other Participants: 22 healthy adult females (Age: 21.8±1.4yrs, Mass: 76.9±18.8kg, Height: 1.7±.1m). Intervention(s): Participants were randomized to 2 resistance training groups. FES which administered a visible comfortable contraction of the GMed during therapeutic exercise or sham treatment with no stimulation during exercise. Protocol was composed of 4 exercises (3x10), 3 times a week for 2-weeks. Main Outcome Measure(s): All variables tested pre/post 2-week intervention. GMed torque was assessed via HHD (Nm/kg), normalized GMed activity during SLS (percentage MVIC), and frontal plane projection angle (FPPA) during a SLS. Cohens d effect sizes and 95% confidence intervals were calculated. Results: Groups were similar at baseline. Both groups demonstrated FPPA improvements (FES:Pre-16.13±8.63, Post-9.13±8.04,p=.006; Sham:Pre-16.28±5.97, Post-11.31±5.11,p=.012). No differences in hip abduction torque (FES:Pre-0.750.18,Post-0.760.18 Nm/kg; Sham:Pre-0.680.17,Post-0.750.15 Nm/kg,p=.148). Large effect size found in FES group for FPPA (d=.84[-.03,1.71]). Sham group demonstrated a large effect size for SLS EMG post-intervention (FES:d=.55[-.3,1.4];Sham:d=.93[.05,1.81]). Conclusions: Our findings imply that resistance training of 2-weeks with/without FES both elicited improvements in FPPA that exceeded the standard error of measure (3.2). Additionally, those in FES group had higher expectation of treatment thus solidifying use of FES in clinical practice. Word Count: 294
Committee
Neal Glaviano (Committee Chair)
Norte Grant (Committee Member)
Murray Amanda (Committee Member)
Subject Headings
Sports Medicine
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Citations
Robinson, M. M. (2018).
The Effect of Functional Electrical Stimulation (FES) Applied to the Gluteus Medius During Resistance Training
[Master's thesis, University of Toledo]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525343063114996
APA Style (7th edition)
Robinson, Matthew.
The Effect of Functional Electrical Stimulation (FES) Applied to the Gluteus Medius During Resistance Training.
2018. University of Toledo, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525343063114996.
MLA Style (8th edition)
Robinson, Matthew. "The Effect of Functional Electrical Stimulation (FES) Applied to the Gluteus Medius During Resistance Training." Master's thesis, University of Toledo, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1525343063114996
Chicago Manual of Style (17th edition)
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Document number:
toledo1525343063114996
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This open access ETD is published by University of Toledo and OhioLINK.