OBJECTIVES: To examine the effects of 2 gait retraining protocols on the gait patterns of patients with bone-patellar tendon-bone anterior cruciate ligament (ACL) reconstruction. DESIGN: Randomized control, repeated-measures design. SETTING: Private orthopedic center and research facility. PARTICIPANTS: Sixteen patients with bone-patellar tendon-bone ACL reconstruction, randomly subdivided into 2 groups (group 1, n=8; group 2, n=8), and a healthy control group of 8 subjects. INTERVENTION: The 16 subjects with ACL reconstruction were randomly assigned to 2 different gait retraining protocols over a 6-week training interval: (1). a protocol using a predicted stride frequency calculated from the resonant frequency of a force-driven harmonic oscillator (FDHO) model or (2). a protocol using the preferred stride frequency (PSF). MAIN OUTCOME MEASURES: Gait analyses examining the lower-extremity kinematic, kinetic, and energetic gait patterns of each group. RESULTS:Gait retraining with the FDHO model showed improvements in lower-extremity positions, hip and knee extensor angular impulse, and work parameters. Gait retraining with the PSF demonstrated no statistical improvements. The FDHO training protocol facilitated a greater midstance knee range of motion (ROM) and greater rates of improvement for midstance ROM, hip extensor angular impulse, and concentric hip extensor work. CONCLUSIONS:Gait retraining with the resonant frequency of an FDHO model facilitated a greater recovery of gait function compared with training with the PSF.
RCT Entities:
OBJECTIVES: To examine the effects of 2 gait retraining protocols on the gait patterns of patients with bone-patellar tendon-bone anterior cruciate ligament (ACL) reconstruction. DESIGN: Randomized control, repeated-measures design. SETTING: Private orthopedic center and research facility. PARTICIPANTS: Sixteen patients with bone-patellar tendon-bone ACL reconstruction, randomly subdivided into 2 groups (group 1, n=8; group 2, n=8), and a healthy control group of 8 subjects. INTERVENTION: The 16 subjects with ACL reconstruction were randomly assigned to 2 different gait retraining protocols over a 6-week training interval: (1). a protocol using a predicted stride frequency calculated from the resonant frequency of a force-driven harmonic oscillator (FDHO) model or (2). a protocol using the preferred stride frequency (PSF). MAIN OUTCOME MEASURES: Gait analyses examining the lower-extremity kinematic, kinetic, and energetic gait patterns of each group. RESULTS: Gait retraining with the FDHO model showed improvements in lower-extremity positions, hip and knee extensor angular impulse, and work parameters. Gait retraining with the PSF demonstrated no statistical improvements. The FDHO training protocol facilitated a greater midstance knee range of motion (ROM) and greater rates of improvement for midstance ROM, hip extensor angular impulse, and concentric hip extensor work. CONCLUSIONS: Gait retraining with the resonant frequency of an FDHO model facilitated a greater recovery of gait function compared with training with the PSF.
Authors: Gregory D Myer; Laura C Schmitt; Jensen L Brent; Kevin R Ford; Kim D Barber Foss; Bradley J Scherer; Robert S Heidt; Jon G Divine; Timothy E Hewett Journal: J Orthop Sports Phys Ther Date: 2011-02-02 Impact factor: 4.751
Authors: Rick W Wright; Emily Preston; Braden C Fleming; Annunziato Amendola; Jack T Andrish; John A Bergfeld; Warren R Dunn; Chris Kaeding; John E Kuhn; Robert G Marx; Eric C McCarty; Richard C Parker; Kurt P Spindler; Michelle Wolcott; Brian R Wolf; Glenn N Williams Journal: J Knee Surg Date: 2008-07 Impact factor: 2.757