The primary hypothesis is that Khalifa's therapy has different acute effects in various organ systems i.e. proprioceptive, neuro-muscular, endogenous dopamine system, etc. These effects might indicate the pathway of the therapy.
According to our previous study that evaluated the efficacy of Khalifa's therapy the investigators have seen that the therapy has acute effects which resulted in better knee function and later even in better healing of the ACL injury. This study should clear exactly which effects and pathways are involved in the therapy from multiple (interdisciplinary) point of views. Therefore the investigators will measure parameters that might be associated with this special technique directly before and after the therapy.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
10
One hour of Khalifa's therapy which is specially applied pressure to the skin.
Sports Center of University Salzburg
Hallein, State of Salzburg, Austria
Laser Doppler-Flow
Perfusion
Time frame: 1 hour
NIRS
Near infrared spectroscopy, Oxygen saturation
Time frame: 1 hour
IR Thermography
Infrared thermography, temperature
Time frame: 1 hour
QST
Quantitative sensoric testing, pain
Time frame: 1 hour
HRV
Heart rate variability, sympathicus/parasympathicus activation
Time frame: 1 hour
EEG
Electroencephalogram, brain waves
Time frame: 1 hour
Knee function
IKDC Score KT-1000 test Clinical / physical examination
Time frame: 1 hour
SportsScience
Posturomed Motion capture proprioception muscle power range of motion
Time frame: 2 hours
Blood
Catecholamines endorphins standard blood parameters
Time frame: 1 hour
Questionnaire
Different questions about pain, lifestyle, subjective parameters
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Time frame: 1 hour