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Paul S Weinhold - One of the best experts on this subject based on the ideXlab platform.

  • A kinetic and kinematic analysis of the effect of stochastic resonance electrical stimulation and Knee Sleeve during gait in osteoarthritis of the Knee.
    Journal of Applied Biomechanics, 2014
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, Troy Blackburn, Paul S Weinhold
    Abstract:

    Extended use of Knee Sleeves in populations at risk for Knee osteoarthritis progression has shown functional and quality of life benefits; however, additional comprehensive kinematic and kinetic analyses are needed to determine possible physical mechanisms of these benefits which may be due to the Sleeve’s ability to enhance Knee proprioception. A novel means of extending these enhancements may be through stochastic resonance stimulation. Our goal was to determine whether the use of a Knee Sleeve alone or combined with stochastic resonance electrical stimulation improves Knee mechanics in Knee osteoarthritis. Gait kinetics and kinematics were assessed in subjects with medial Knee osteoarthritis when presented with four conditions: control1, no electrical stimulation/Sleeve, 75% threshold stimulation/Sleeve, and control2. An increase in Knee flexion angle throughout stance and a decrease in flexion moment occurring immediately after initial contact were seen in the stimulation/Sleeve and Sleeve alone condi...

  • the assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee
    Archives of Physical Medicine and Rehabilitation, 2012
    Co-Authors: Amber T Collins, Troy J Blackburn, Chris W Olcott, Joanne M Jordan, Paul S Weinhold
    Abstract:

    Abstract Collins AT, Blackburn JT, Olcott CW, Jordan JM, Yu B, Weinhold PS. The assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee. Objective To determine whether the combination of stochastic resonance (SR) electrical stimulation and a neoprene Knee Sleeve could improve center of pressure (COP) measures of postural sway during single-leg stance in those with Knee osteoarthritis (OA). Design Counterbalanced, repeated-measures intervention study of osteoarthritic adults during 6 different testing conditions: a control condition—control 1 (1); a counterbalance sequence of 4 treatment conditions—no stimulation with Sleeve (2), 75% stimulation with Sleeve (3), 100% stimulation with Sleeve (4), and 150% stimulation with Sleeve (5); and a second control condition—control 2 (6). Setting University sports medicine research laboratory. Participants Subjects (N=52) with radiographically determined, minimal-to-moderate medial Knee OA. Interventions Neoprene Knee Sleeve and SR electrical stimulation. Main Outcome Measures COP displacement in the medial-lateral and anterior-posterior directions was collected to resolve the mean velocity, SD, range, and total path length. Results No significant differences were found in the study measures between the testing conditions. Additionally, no significant differences were found between the 3 stimulation conditions or between the Sleeve-alone and stimulation conditions for any of the study measures. Conclusions There were no significant improvements in balance with the use of a neoprene Knee Sleeve. Additionally, there was no added benefit of the SR stimulation as applied in the current configuration in this population.

  • The impact of stochastic resonance electrical stimulation and Knee Sleeve on impulsive loading and muscle co-contraction during gait in Knee osteoarthritis
    Clinical Biomechanics, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, J. Troy Blackburn, Paul S Weinhold
    Abstract:

    article Background: Increased impulsive loading and muscle co-contraction during gait have been observed in individuals with Knee osteoarthritis. Proprioceptive deficits in this population may contribute to these effects. Proprioception has been shown to improve with the combination of stochastic resonance electrical stimulation and a Knee Sleeve in Knee osteoarthritis. Our goal was to determine whether stochastic resonance stimulation combined with a Knee Sleeve would decrease impulsive loading rates and muscle co-contraction during gait in Knee osteoarthritis. Methods: Gait kinetics, kinematics and muscle activity were assessed during walking in subjects with Knee osteoarthritis during three different conditions: no stochastic resonance/no Sleeve (control), stochastic resonance at 75% threshold/Sleeve, and no stochastic resonance/Sleeve. Loading rates were calculated from the ground reaction force. Muscle co-contraction was calculated from the ratio of vastus lateralis to lateral hamstring activity. Differences between conditions were assessed using a repeated measures analysis of variance (Pb0.05). Findings: The 75% threshold/Sleeve and Sleeve only conditions resulted in increased Knee flexion at contact and reduced loading rates compared to the control condition (Pb0.05). However, these measures did not significantly differ between the 75% threshold/Sleeve and Sleeve only conditions. Muscle co-contraction was found to decrease with the 75% threshold/Sleeve condition compared to the other conditions. Interpretation: Increased Knee flexion and decreased loading rates may be a result of proprioceptive improvements resulting from the Sleeve or Sleeve/stimulation combination. The stochastic resonance stimulation did not demonstrate an ability to enhance the effects of the Sleeve with the exception of

  • Stochastic resonance electrical stimulation to improve proprioception in Knee osteoarthritis
    The Knee, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, J. Troy Blackburn, Jodie Miles, Douglas R. Dirschl, Paul S Weinhold
    Abstract:

    Abstract Proprioceptive deficits occur with Knee osteoarthritis (OA) and improving proprioception may slow joint degeneration by allowing more appropriate joint loading. Stochastic resonance (SR) stimulation improves balance and the sensitivity of specific mechanoreceptors. Our purpose was to evaluate the effects of SR electrical stimulation combined with a Knee Sleeve on proprioception in subjects with Knee OA. Joint position sense (JPS) was measured in 38 subjects with Knee OA during four conditions in both a partial weight-bearing (PWB) and non weight-bearing (NWB) task: no electrical stimulation/no Sleeve, no electrical stimulation/Sleeve, 50 μA-RMS stimulation/Sleeve, and 75 μA-RMS stimulation/Sleeve. Subjects also reported their Knee pain, stiffness, functionality (WOMAC), and instability. Repeated measures ANOVA and Spearman correlations were performed to investigate differences between the conditions and relationships among the outcome measures. JPS during the 75 μA-RMS stimulation/Sleeve and Sleeve alone conditions was significantly improved compared to the control condition in the PWB task. However, the 75 μA-RMS stimulation/Sleeve and the Sleeve alone conditions did not differ from each other. A moderate correlation was found between the improvements with the 75 μA-RMS stimulation/Sleeve condition compared to the JPS of the control condition in the PWB task. No differences in JPS were found between the four conditions in the NWB task. Significant correlations were found between the control JPS and WOMAC indices (p

S Takai - One of the best experts on this subject based on the ideXlab platform.

  • MECHANICAL PROPERTIES OF SOFT-TISSUE STRUCTURE OF Knee Sleeve IN FLEXION AND EXTENSION DURING TKA
    2018
    Co-Authors: Tokifumi Majima, S Matsui, O Nishiike, Kenji Takahashi, Y Oshima, N Iizawa, S Takai
    Abstract:

    IntroductionIn order to achieve good clinical results in TKA, soft tissue balance is important. Soft tissue balance is closely related to Knee kinematics which affects clinical results.Modified gap...

  • mechanical properties of soft tissue structure of Knee Sleeve in flexion and extension during tka
    Journal of Bone and Joint Surgery-british Volume, 2017
    Co-Authors: Tokifumi Majima, S Matsui, O Nishiike, Kenji Takahashi, Y Oshima, N Iizawa, S Takai
    Abstract:

    Introduction In order to achieve good clinical results in TKA, soft tissue balance is important. Soft tissue balance is closely related to Knee kinematics which affects clinical results. Modified gap balancing technique is one of the standard techniques for posterior stabilized (PS) TKA. On the other hand, appropriate load for the measurement of gap balance has not been established. The purpose of the present study is to measure the mechanical properties of soft tissue structure of Knee Sleeve in flexion and extension during PS TKA using newly developed balancer. The understanding of the mechanical properties is crucial. In particular if these properties are used as input for surgical procedures, standard technique for many surgeons will be established. Materials and Methods Medial compartmental osteoarthrosis (OA) patients (13 female and 7 male) were evaluated. Average age, BMI, and Varus deformity were 72.1 years, 26.9, and 12 degrees, respectively. The newly developed center paddle balancer consists of a built-in spring (Fig. 1). Figure 2 shows the sequence of surgery and measurements. In the surgery, we measured the balance (degrees in Figure 1, A) and distance (mm in Figure 1, B) in extension with a load (Figure 1,C) at transition zone of toe region to linear region. Then, applying the load until flexion gap was the same as that in extension with a patella reduction, we measured the femoral component rotation from the balancer (degrees in Figure 1, A). The anterior and posterior femoral cuts were performed according to measured femoral component rotation which angle is parallel to tibial cut surface. Results Load deformation curves of a Knee Sleeve structures showed toe and linear regions. The average stability range (transition zone of toe region to linear region) is 150 to 160N in extension and 130 to 140N in flexion. The distance of stability range between tibia and femur in extension is almost the same as the thickness of tibial component and femoral component (21mm). The distance of stability range between the tibia and femur in flexion is the same as the thickness of tibial component (10mm). Discussion In the present study, load deformation curves of Knee Sleeve structures showed bimodal patterns that is the same as ligaments and tendons. It has been reported that a load on ligament is below the transition zone during 80% of normal daily activity. The results indicated that the so called “palpable endpoint” is stability range. According to the present data, we propose a standard modified gap balance technique in PS TKA for medial compartmental OA. The ligament balance is confirmed in extension with 160N of distracting force after soft tissue release and distal femur and proximal tibial cut. The femoral component rotation is then decided with the load that will open the distance to the thickness of the tibial component in flexion.

Amber T Collins - One of the best experts on this subject based on the ideXlab platform.

  • A kinetic and kinematic analysis of the effect of stochastic resonance electrical stimulation and Knee Sleeve during gait in osteoarthritis of the Knee.
    Journal of Applied Biomechanics, 2014
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, Troy Blackburn, Paul S Weinhold
    Abstract:

    Extended use of Knee Sleeves in populations at risk for Knee osteoarthritis progression has shown functional and quality of life benefits; however, additional comprehensive kinematic and kinetic analyses are needed to determine possible physical mechanisms of these benefits which may be due to the Sleeve’s ability to enhance Knee proprioception. A novel means of extending these enhancements may be through stochastic resonance stimulation. Our goal was to determine whether the use of a Knee Sleeve alone or combined with stochastic resonance electrical stimulation improves Knee mechanics in Knee osteoarthritis. Gait kinetics and kinematics were assessed in subjects with medial Knee osteoarthritis when presented with four conditions: control1, no electrical stimulation/Sleeve, 75% threshold stimulation/Sleeve, and control2. An increase in Knee flexion angle throughout stance and a decrease in flexion moment occurring immediately after initial contact were seen in the stimulation/Sleeve and Sleeve alone condi...

  • the assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee
    Archives of Physical Medicine and Rehabilitation, 2012
    Co-Authors: Amber T Collins, Troy J Blackburn, Chris W Olcott, Joanne M Jordan, Paul S Weinhold
    Abstract:

    Abstract Collins AT, Blackburn JT, Olcott CW, Jordan JM, Yu B, Weinhold PS. The assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee. Objective To determine whether the combination of stochastic resonance (SR) electrical stimulation and a neoprene Knee Sleeve could improve center of pressure (COP) measures of postural sway during single-leg stance in those with Knee osteoarthritis (OA). Design Counterbalanced, repeated-measures intervention study of osteoarthritic adults during 6 different testing conditions: a control condition—control 1 (1); a counterbalance sequence of 4 treatment conditions—no stimulation with Sleeve (2), 75% stimulation with Sleeve (3), 100% stimulation with Sleeve (4), and 150% stimulation with Sleeve (5); and a second control condition—control 2 (6). Setting University sports medicine research laboratory. Participants Subjects (N=52) with radiographically determined, minimal-to-moderate medial Knee OA. Interventions Neoprene Knee Sleeve and SR electrical stimulation. Main Outcome Measures COP displacement in the medial-lateral and anterior-posterior directions was collected to resolve the mean velocity, SD, range, and total path length. Results No significant differences were found in the study measures between the testing conditions. Additionally, no significant differences were found between the 3 stimulation conditions or between the Sleeve-alone and stimulation conditions for any of the study measures. Conclusions There were no significant improvements in balance with the use of a neoprene Knee Sleeve. Additionally, there was no added benefit of the SR stimulation as applied in the current configuration in this population.

  • The impact of stochastic resonance electrical stimulation and Knee Sleeve on impulsive loading and muscle co-contraction during gait in Knee osteoarthritis
    Clinical Biomechanics, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, J. Troy Blackburn, Paul S Weinhold
    Abstract:

    article Background: Increased impulsive loading and muscle co-contraction during gait have been observed in individuals with Knee osteoarthritis. Proprioceptive deficits in this population may contribute to these effects. Proprioception has been shown to improve with the combination of stochastic resonance electrical stimulation and a Knee Sleeve in Knee osteoarthritis. Our goal was to determine whether stochastic resonance stimulation combined with a Knee Sleeve would decrease impulsive loading rates and muscle co-contraction during gait in Knee osteoarthritis. Methods: Gait kinetics, kinematics and muscle activity were assessed during walking in subjects with Knee osteoarthritis during three different conditions: no stochastic resonance/no Sleeve (control), stochastic resonance at 75% threshold/Sleeve, and no stochastic resonance/Sleeve. Loading rates were calculated from the ground reaction force. Muscle co-contraction was calculated from the ratio of vastus lateralis to lateral hamstring activity. Differences between conditions were assessed using a repeated measures analysis of variance (Pb0.05). Findings: The 75% threshold/Sleeve and Sleeve only conditions resulted in increased Knee flexion at contact and reduced loading rates compared to the control condition (Pb0.05). However, these measures did not significantly differ between the 75% threshold/Sleeve and Sleeve only conditions. Muscle co-contraction was found to decrease with the 75% threshold/Sleeve condition compared to the other conditions. Interpretation: Increased Knee flexion and decreased loading rates may be a result of proprioceptive improvements resulting from the Sleeve or Sleeve/stimulation combination. The stochastic resonance stimulation did not demonstrate an ability to enhance the effects of the Sleeve with the exception of

  • Stochastic resonance electrical stimulation to improve proprioception in Knee osteoarthritis
    The Knee, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, J. Troy Blackburn, Jodie Miles, Douglas R. Dirschl, Paul S Weinhold
    Abstract:

    Abstract Proprioceptive deficits occur with Knee osteoarthritis (OA) and improving proprioception may slow joint degeneration by allowing more appropriate joint loading. Stochastic resonance (SR) stimulation improves balance and the sensitivity of specific mechanoreceptors. Our purpose was to evaluate the effects of SR electrical stimulation combined with a Knee Sleeve on proprioception in subjects with Knee OA. Joint position sense (JPS) was measured in 38 subjects with Knee OA during four conditions in both a partial weight-bearing (PWB) and non weight-bearing (NWB) task: no electrical stimulation/no Sleeve, no electrical stimulation/Sleeve, 50 μA-RMS stimulation/Sleeve, and 75 μA-RMS stimulation/Sleeve. Subjects also reported their Knee pain, stiffness, functionality (WOMAC), and instability. Repeated measures ANOVA and Spearman correlations were performed to investigate differences between the conditions and relationships among the outcome measures. JPS during the 75 μA-RMS stimulation/Sleeve and Sleeve alone conditions was significantly improved compared to the control condition in the PWB task. However, the 75 μA-RMS stimulation/Sleeve and the Sleeve alone conditions did not differ from each other. A moderate correlation was found between the improvements with the 75 μA-RMS stimulation/Sleeve condition compared to the JPS of the control condition in the PWB task. No differences in JPS were found between the four conditions in the NWB task. Significant correlations were found between the control JPS and WOMAC indices (p

Tokifumi Majima - One of the best experts on this subject based on the ideXlab platform.

  • MECHANICAL PROPERTIES OF SOFT-TISSUE STRUCTURE OF Knee Sleeve IN FLEXION AND EXTENSION DURING TKA
    2018
    Co-Authors: Tokifumi Majima, S Matsui, O Nishiike, Kenji Takahashi, Y Oshima, N Iizawa, S Takai
    Abstract:

    IntroductionIn order to achieve good clinical results in TKA, soft tissue balance is important. Soft tissue balance is closely related to Knee kinematics which affects clinical results.Modified gap...

  • mechanical properties of soft tissue structure of Knee Sleeve in flexion and extension during tka
    Journal of Bone and Joint Surgery-british Volume, 2017
    Co-Authors: Tokifumi Majima, S Matsui, O Nishiike, Kenji Takahashi, Y Oshima, N Iizawa, S Takai
    Abstract:

    Introduction In order to achieve good clinical results in TKA, soft tissue balance is important. Soft tissue balance is closely related to Knee kinematics which affects clinical results. Modified gap balancing technique is one of the standard techniques for posterior stabilized (PS) TKA. On the other hand, appropriate load for the measurement of gap balance has not been established. The purpose of the present study is to measure the mechanical properties of soft tissue structure of Knee Sleeve in flexion and extension during PS TKA using newly developed balancer. The understanding of the mechanical properties is crucial. In particular if these properties are used as input for surgical procedures, standard technique for many surgeons will be established. Materials and Methods Medial compartmental osteoarthrosis (OA) patients (13 female and 7 male) were evaluated. Average age, BMI, and Varus deformity were 72.1 years, 26.9, and 12 degrees, respectively. The newly developed center paddle balancer consists of a built-in spring (Fig. 1). Figure 2 shows the sequence of surgery and measurements. In the surgery, we measured the balance (degrees in Figure 1, A) and distance (mm in Figure 1, B) in extension with a load (Figure 1,C) at transition zone of toe region to linear region. Then, applying the load until flexion gap was the same as that in extension with a patella reduction, we measured the femoral component rotation from the balancer (degrees in Figure 1, A). The anterior and posterior femoral cuts were performed according to measured femoral component rotation which angle is parallel to tibial cut surface. Results Load deformation curves of a Knee Sleeve structures showed toe and linear regions. The average stability range (transition zone of toe region to linear region) is 150 to 160N in extension and 130 to 140N in flexion. The distance of stability range between tibia and femur in extension is almost the same as the thickness of tibial component and femoral component (21mm). The distance of stability range between the tibia and femur in flexion is the same as the thickness of tibial component (10mm). Discussion In the present study, load deformation curves of Knee Sleeve structures showed bimodal patterns that is the same as ligaments and tendons. It has been reported that a load on ligament is below the transition zone during 80% of normal daily activity. The results indicated that the so called “palpable endpoint” is stability range. According to the present data, we propose a standard modified gap balance technique in PS TKA for medial compartmental OA. The ligament balance is confirmed in extension with 160N of distracting force after soft tissue release and distal femur and proximal tibial cut. The femoral component rotation is then decided with the load that will open the distance to the thickness of the tibial component in flexion.

Chris W Olcott - One of the best experts on this subject based on the ideXlab platform.

  • A kinetic and kinematic analysis of the effect of stochastic resonance electrical stimulation and Knee Sleeve during gait in osteoarthritis of the Knee.
    Journal of Applied Biomechanics, 2014
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, Troy Blackburn, Paul S Weinhold
    Abstract:

    Extended use of Knee Sleeves in populations at risk for Knee osteoarthritis progression has shown functional and quality of life benefits; however, additional comprehensive kinematic and kinetic analyses are needed to determine possible physical mechanisms of these benefits which may be due to the Sleeve’s ability to enhance Knee proprioception. A novel means of extending these enhancements may be through stochastic resonance stimulation. Our goal was to determine whether the use of a Knee Sleeve alone or combined with stochastic resonance electrical stimulation improves Knee mechanics in Knee osteoarthritis. Gait kinetics and kinematics were assessed in subjects with medial Knee osteoarthritis when presented with four conditions: control1, no electrical stimulation/Sleeve, 75% threshold stimulation/Sleeve, and control2. An increase in Knee flexion angle throughout stance and a decrease in flexion moment occurring immediately after initial contact were seen in the stimulation/Sleeve and Sleeve alone condi...

  • the assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee
    Archives of Physical Medicine and Rehabilitation, 2012
    Co-Authors: Amber T Collins, Troy J Blackburn, Chris W Olcott, Joanne M Jordan, Paul S Weinhold
    Abstract:

    Abstract Collins AT, Blackburn JT, Olcott CW, Jordan JM, Yu B, Weinhold PS. The assessment of postural control with stochastic resonance electrical stimulation and a neoprene Knee Sleeve in the osteoarthritic Knee. Objective To determine whether the combination of stochastic resonance (SR) electrical stimulation and a neoprene Knee Sleeve could improve center of pressure (COP) measures of postural sway during single-leg stance in those with Knee osteoarthritis (OA). Design Counterbalanced, repeated-measures intervention study of osteoarthritic adults during 6 different testing conditions: a control condition—control 1 (1); a counterbalance sequence of 4 treatment conditions—no stimulation with Sleeve (2), 75% stimulation with Sleeve (3), 100% stimulation with Sleeve (4), and 150% stimulation with Sleeve (5); and a second control condition—control 2 (6). Setting University sports medicine research laboratory. Participants Subjects (N=52) with radiographically determined, minimal-to-moderate medial Knee OA. Interventions Neoprene Knee Sleeve and SR electrical stimulation. Main Outcome Measures COP displacement in the medial-lateral and anterior-posterior directions was collected to resolve the mean velocity, SD, range, and total path length. Results No significant differences were found in the study measures between the testing conditions. Additionally, no significant differences were found between the 3 stimulation conditions or between the Sleeve-alone and stimulation conditions for any of the study measures. Conclusions There were no significant improvements in balance with the use of a neoprene Knee Sleeve. Additionally, there was no added benefit of the SR stimulation as applied in the current configuration in this population.

  • The impact of stochastic resonance electrical stimulation and Knee Sleeve on impulsive loading and muscle co-contraction during gait in Knee osteoarthritis
    Clinical Biomechanics, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, J. Troy Blackburn, Paul S Weinhold
    Abstract:

    article Background: Increased impulsive loading and muscle co-contraction during gait have been observed in individuals with Knee osteoarthritis. Proprioceptive deficits in this population may contribute to these effects. Proprioception has been shown to improve with the combination of stochastic resonance electrical stimulation and a Knee Sleeve in Knee osteoarthritis. Our goal was to determine whether stochastic resonance stimulation combined with a Knee Sleeve would decrease impulsive loading rates and muscle co-contraction during gait in Knee osteoarthritis. Methods: Gait kinetics, kinematics and muscle activity were assessed during walking in subjects with Knee osteoarthritis during three different conditions: no stochastic resonance/no Sleeve (control), stochastic resonance at 75% threshold/Sleeve, and no stochastic resonance/Sleeve. Loading rates were calculated from the ground reaction force. Muscle co-contraction was calculated from the ratio of vastus lateralis to lateral hamstring activity. Differences between conditions were assessed using a repeated measures analysis of variance (Pb0.05). Findings: The 75% threshold/Sleeve and Sleeve only conditions resulted in increased Knee flexion at contact and reduced loading rates compared to the control condition (Pb0.05). However, these measures did not significantly differ between the 75% threshold/Sleeve and Sleeve only conditions. Muscle co-contraction was found to decrease with the 75% threshold/Sleeve condition compared to the other conditions. Interpretation: Increased Knee flexion and decreased loading rates may be a result of proprioceptive improvements resulting from the Sleeve or Sleeve/stimulation combination. The stochastic resonance stimulation did not demonstrate an ability to enhance the effects of the Sleeve with the exception of

  • Stochastic resonance electrical stimulation to improve proprioception in Knee osteoarthritis
    The Knee, 2011
    Co-Authors: Amber T Collins, Chris W Olcott, Joanne M Jordan, J. Troy Blackburn, Jodie Miles, Douglas R. Dirschl, Paul S Weinhold
    Abstract:

    Abstract Proprioceptive deficits occur with Knee osteoarthritis (OA) and improving proprioception may slow joint degeneration by allowing more appropriate joint loading. Stochastic resonance (SR) stimulation improves balance and the sensitivity of specific mechanoreceptors. Our purpose was to evaluate the effects of SR electrical stimulation combined with a Knee Sleeve on proprioception in subjects with Knee OA. Joint position sense (JPS) was measured in 38 subjects with Knee OA during four conditions in both a partial weight-bearing (PWB) and non weight-bearing (NWB) task: no electrical stimulation/no Sleeve, no electrical stimulation/Sleeve, 50 μA-RMS stimulation/Sleeve, and 75 μA-RMS stimulation/Sleeve. Subjects also reported their Knee pain, stiffness, functionality (WOMAC), and instability. Repeated measures ANOVA and Spearman correlations were performed to investigate differences between the conditions and relationships among the outcome measures. JPS during the 75 μA-RMS stimulation/Sleeve and Sleeve alone conditions was significantly improved compared to the control condition in the PWB task. However, the 75 μA-RMS stimulation/Sleeve and the Sleeve alone conditions did not differ from each other. A moderate correlation was found between the improvements with the 75 μA-RMS stimulation/Sleeve condition compared to the JPS of the control condition in the PWB task. No differences in JPS were found between the four conditions in the NWB task. Significant correlations were found between the control JPS and WOMAC indices (p