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The Effect of McConell Tape on Patients with Patellofemoral Pain
전형필,장은욱 한국운동생리학회 2019 운동과학 Vol.28 No.4
PURPOSE: Patellofemoral pain is a common overuse injury in knee joint among runners. McConell taping technique has been recommended to alleviate symptoms in patients with patellofemoral pain. However, the clinical effects of McConell taping are not welldescribed. Therefore, we reviewed the effect of McConell taping in reducing patellofemoral pain. METHODS: In this review, we summarized the effect of McConell taping on pain management, muscular function, proprioception, and functional task performance. RESULTS: Application of a standard McConell taping technique to patients with patellofemoral pain showed a positive effect on pain management. However, there are limited investigations about proprioceptive improvement after taping. In addition, there are controversial results on vastus medialis and vastus lateralis EMG activity and functional task performance. CONCLUSIONS: Understanding effectiveness and mechanism of McConnell taping is important to provide evidence to clinical professionals. As we reviewed and summarized many different studies, controversial findings exist in scientific and clinical studies. Therefore, it is recommended that future investigations into McConnell taping should focus on these factors to provide more consistent effects so that many clinicians can use McConnell taping technique with evidence.
전형필,Hee-sung Jeong,이세용 한국체육학회 2019 International journal of human movement science Vol.13 No.2
Decreased proprioception and dynamic postural control (DPC) have been reported to be a contributing factor in anterior cruciate ligament (ACL) injuries in females. Understanding the relationship between proprioception and DPC during different phases of the menstrual cycle may provide a better understanding of gender-specific characteristics of ACL injury risk. The primary purpose of this study was to assess the relationship between DPC and both joint kinesthesia (JK) and joint position sense (JPS) in females during the ovulatory phase of the menstrual cycle. Nine moderate to highly active females. Subjects made two visits to the research facility over a two-month period. DPC, JK, and JPS were measured over two consecutive menstrual cycles during ovulatory phase (24-48 hours after LH surge detection). Joint position sense was tested using a starting angle of 90⁰ when moving into extension, and 0⁰ when moving into flexion. Target angles were 30⁰, 50⁰, and 70⁰ moving into flexion, and 20⁰, 40⁰, and 60⁰ moving into extension. Joint kinesthesia was tested moving into flexion and extension at both 15⁰ and 45⁰. Moderate to high correlations were observed on six of 60 variables in the ovulatory phase of the first menstrual cycle evaluated. Although a few statistically significant correlations were identified, the clinicians may focus on those meaningful variables when they plan the rehabilitation program for prevent ACL injury. Also, while DPC deficits may increase risk of ACL injury, the data does not support that reduced DPC is due to menstrual phase-specific deficits in proprioception.
전형필,장은욱 한국운동생리학회 2023 운동과학 Vol.32 No.1
PURPOSE: Quadriceps muscle weakness caused by muscle atrophy is a typical feature of individuals who undergo anterior cruciate ligament reconstruction. Although many studies have suggested an acceptable timing for returning to sports after anterior cruciate ligament reconstruction, there are still many controversies. Therefore, this study aimed to present an evidence-based recommendation for returning to sports after anterior cruciate ligament reconstruction by evaluating muscle size and function 9 months after the reconstruction. METHODS: Eighteen patients who underwent anterior cruciate ligament reconstruction were evaluated for quadricep thickness and isokinetic knee extension strength in both limbs. The Mann-Whitney U test was used to compare the differences 1) in thigh muscle thickness and isokinetic knee extension strength between the reconstructed limbs in “more than 9 months after surgery” and “less than 9 months after surgery” groups and 2) between the limb symmetry index of the two groups. RESULTS: The main findings were that the vastus medialis thickness and isokinetic knee extension strength for the reconstructed limbs were significantly greater in the more than 9 months after surgery group (vastus medialis: Z=12.00, p=.014; strength: Z=16.00, p= .034). The vastus medialis and vastus intermedius thicknesses in the more than 9 months after surgery group also showed a significant increase compared to those in the less than 9 months after surgery group (vastus medialis: Z=10.00, p=.006; vastus intermedius: Z= 10.00, p=.006). CONCLUSIONS: After anterior cruciate ligament reconstruction, selective muscle atrophy and weakness in the quadriceps muscles were observed. This study emphasizes the need for targeted early rehabilitation of specific quadriceps muscles to prevent muscle atrophy and weakness after anterior cruciate ligament reconstruction.