Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine · 2021
Knee performance and self-efficacy trajectory curves after ACL reconstruction: A longitudinal study.
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Pua Yong-Hao, Low Juanita, Woon Ee-Lin, Tay Olivia Shi-Min, Cheong Philip, Thumboo Julian, Clark Ross Allan, Chang Paul, Tan Andrew, Ho Jia-Ying
Аннотация
OBJECTIVES: To examine knee flexion range-of-motion, quadriceps strength, and knee self-efficacy trajectory curves over 6 months after anterior cruciate ligament reconstruction (ACLR), stratified by patients' Month-6 sports activity level.
DESIGN: Prospective longitudinal study.
SETTING: Hospital outpatient physiotherapy department.
PARTICIPANTS: 595 individuals after unilateral ACLR (mean age, 27 years).
MAIN OUTCOME MEASURES: At 2-, 3-, and 6-months post-surgery, knee flexion range-of-motion, quadriceps strength, and self-efficacy were quantified. Flexion range-of-motion was additionally measured at 2- and 4-weeks post-surgery. Sports activity levels were assessed using the Tegner Activity Score at 6-months post ACLR.
RESULTS: The various measures improved nonlinearly over time, with substantial improvements observed in the first 2-4 months post-surgery. In multivariable generalized least squares models, greater knee flexion range-of-motion, quadriceps strength, and self-efficacy over time were significantly associated with higher Month-6 Tegner levels (all P values < 0.01). Additionally, receiving a bone-patellar-tendon-bone graft or meniscal repair was associated with lower quadriceps strength trajectories (P-values<0.001) while female sex was associated with lower knee self-efficacy trajectories (P = 0.02).
CONCLUSIONS: Greater knee flexion range-of-motion, quadriceps strength, and self-efficacy were associated with higher Month-6 Tegner levels. The derived trajectory curves may be useful for effective management decision making and adequate results interpretation during the rehabilitation process.
DESIGN: Prospective longitudinal study.
SETTING: Hospital outpatient physiotherapy department.
PARTICIPANTS: 595 individuals after unilateral ACLR (mean age, 27 years).
MAIN OUTCOME MEASURES: At 2-, 3-, and 6-months post-surgery, knee flexion range-of-motion, quadriceps strength, and self-efficacy were quantified. Flexion range-of-motion was additionally measured at 2- and 4-weeks post-surgery. Sports activity levels were assessed using the Tegner Activity Score at 6-months post ACLR.
RESULTS: The various measures improved nonlinearly over time, with substantial improvements observed in the first 2-4 months post-surgery. In multivariable generalized least squares models, greater knee flexion range-of-motion, quadriceps strength, and self-efficacy over time were significantly associated with higher Month-6 Tegner levels (all P values < 0.01). Additionally, receiving a bone-patellar-tendon-bone graft or meniscal repair was associated with lower quadriceps strength trajectories (P-values<0.001) while female sex was associated with lower knee self-efficacy trajectories (P = 0.02).
CONCLUSIONS: Greater knee flexion range-of-motion, quadriceps strength, and self-efficacy were associated with higher Month-6 Tegner levels. The derived trajectory curves may be useful for effective management decision making and adequate results interpretation during the rehabilitation process.