Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine · 2007
Effectiveness of static quadriceps stretching in individuals with patellofemoral joint pain.
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Peeler Jason, Anderson Judith Esther
Аннотация
OBJECTIVE: To determine if a 3-week static stretching program would increase quadriceps muscle flexibility in patellofemoral joint pain syndrome (PJPS) individuals.
DESIGN: Pretest/posttest control group design.
SETTING: Institutional based clinical rehabilitation setting.
PARTICIPANTS: Participants (n = 83) were between the ages of 18 and 45 years of age with no history of surgery or trauma to the hip, knee, or lower leg region.
INTERVENTION: Participants were sorted into normal and PJPS groups via orthopaedic assessment of knee pain and function, and their quadriceps flexibility was evaluated. All subjects completed a 3-week static quadriceps stretching program. Flexibility, knee pain, and function were then reassessed.
MAIN OUTCOME MEASUREMENTS: Parametric and nonparametric tests were used to compare the groups' pre and poststretching knee pain, function, and quadriceps flexibility scores.
RESULTS: Prestretching anthropometric and physical activity data illustrated that the groups were homogenous, with severity of knee pain, joint dysfunction, and quadriceps flexibility being the prime differences. Following the stretching program, a significant improvement in flexibility was detected for both groups, and the PJPS group reported a significant decrease in knee pain and improved joint function. However, Pearson product-moment correlation coefficients indicated that changes in quadriceps flexibility were poorly correlated with changes in knee pain and function.
CONCLUSION: This study confirms the effectiveness of a 3-week static stretching regimen for enhancing quadriceps flexibility and knee joint function, but fails to demonstrate a statistical relationship between quadriceps flexibility and the severity of knee pain and joint dysfunction in a PJPS population.
DESIGN: Pretest/posttest control group design.
SETTING: Institutional based clinical rehabilitation setting.
PARTICIPANTS: Participants (n = 83) were between the ages of 18 and 45 years of age with no history of surgery or trauma to the hip, knee, or lower leg region.
INTERVENTION: Participants were sorted into normal and PJPS groups via orthopaedic assessment of knee pain and function, and their quadriceps flexibility was evaluated. All subjects completed a 3-week static quadriceps stretching program. Flexibility, knee pain, and function were then reassessed.
MAIN OUTCOME MEASUREMENTS: Parametric and nonparametric tests were used to compare the groups' pre and poststretching knee pain, function, and quadriceps flexibility scores.
RESULTS: Prestretching anthropometric and physical activity data illustrated that the groups were homogenous, with severity of knee pain, joint dysfunction, and quadriceps flexibility being the prime differences. Following the stretching program, a significant improvement in flexibility was detected for both groups, and the PJPS group reported a significant decrease in knee pain and improved joint function. However, Pearson product-moment correlation coefficients indicated that changes in quadriceps flexibility were poorly correlated with changes in knee pain and function.
CONCLUSION: This study confirms the effectiveness of a 3-week static stretching regimen for enhancing quadriceps flexibility and knee joint function, but fails to demonstrate a statistical relationship between quadriceps flexibility and the severity of knee pain and joint dysfunction in a PJPS population.