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Early Neuromuscular Electrical Stimulation to Improve Quadriceps Muscle Strength After Total Knee Arthroplasty: A Randomized Controlled Trial by Jennifer E. Stevens-Lapsley, Jaclyn E. Balter, Pamela Wolfe, Donald G. Eckhoff, and Wendy M. Kohrt ptjournal Volume 92(2):210-226 January 31, 2012 © 2012 American Physical Therapy Association
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Study treatment and testing session timeline. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Baseline Characteristics of the Intervention and Control Groupsa. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Recruitment, enrollment, and adherence of study participants. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Mean Changes and 95% Confidence Intervals for the Primary and Secondary Outcome Measures at 3.5 Weeks (Primary Endpoint)a. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Mean (SD) Values for Strength and Functional Performance Outcome Measuresa. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Changes in strength and functional performance over time (mean ± standard error of the mean) in the neuromuscular electrical stimulation (NMES) group (black circles) and the control group (white circles): (A) quadriceps femoris muscle maximum voluntary isometric contraction (MVIC) normalized to body weight, (B) hamstring muscle MVIC normalized to body weight, (C) quadriceps muscle central activation, (D) Stair-Climbing Test, (E) Timed “Up & Go” Test, (F) Six- Minute Walk Test. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Treatment Adherence During the 6-Week Interventiona. Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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Jennifer E. Stevens-Lapsley et al. PHYS THER 2012;92:210- 226 © 2012 American Physical Therapy Association
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