The goal of this clinical trial is to investigate changes in cognitive and physical performance after 10 weeks of dual or single task training in anterior cruciate ligament (ACL) reconstructed individuals. The main questions it aims to answer are: * Does cognitive performance in ACL reconstructed individuals change after multiple training sessions incorporating single versus dual-task? * Does physical performance and intrinsic motivation for training change over the course of 10 weeks when performing single versus dual-task training sessions? * What movement patterns do ACL reconstructed individuals show during a dual-task training in an immersive environment? Researchers will compare a combined dual-task training (combined physical and cognitive training) to a single task training (physical and cognitive training separately) to see if there are changes on cognitive performance depending on the training type. Participants will: * Perform dual-task or single task training twice per week for 10 weeks * Visit the clinic before and after the training period for tests * Visit the movement laboratory once for analysis of movement patterns
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Enrollment
2
Combined simultaneous physical and cognitive training in an immersive environment
Sequential cognitive and then physical training
KSW Kantonsspital Winterthur
Winterthur, Switzerland
ZHAW Zurich University of Applied Sciences
Winterthur, Switzerland
Interference
Measured by the difference in reaction time of congruent and incongruent stimuli of the Flanker task.
Time frame: Baseline, after 5 weeks of training, after 10 weeks of training
Response inhibition
Measured by the accuracy of Go/No-Go-stimuli
Time frame: Baseline, after 5 weeks of training, after 10 weeks of training
Jumping performance - contact time
Contact time during jumping on force plates.
Time frame: Baseline and after 10 weeks of training
Jumping performance - peak force
Peak force during jumping on force plates.
Time frame: Baseline and after 10 weeks of training
Strength
Peak force of hamstring, quadriceps, hip abduction, and hip adduction
Time frame: Baseline and after 10 weeks of training
Intrinsic motivation
German version of the short scale for intrinsic motivation (Kurzskala Intrinsische Motivation). For each of the 12 items there is a 5-point Likert-Scale resulting in values of 0-4. Therefore, the total score ranges from 0 to 48. The higher the score, the higher the intrinsic motivation.
Time frame: At the end of each training session (2x/week for 10 weeks)
Kinematics and kinetics of the lower extremities
Hip, knee, and ankle angles and moments and ground reaction forces
Time frame: During dual-task training in an immersive environment
Kinematics and kinetics of the lower extremities
Ground reaction forces, angles and moments of hip, knee, and ankle during functional tasks
Time frame: Baseline and after 10 weeks of training
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