In order to determine norm values for skeleton muscle disassembly due to physical exertion in healthy and trained population, and developing a prediction test for approval for rhabdomyolysis injuries to return to duty, 50 healthy subjects will undergo a series of different physical tests.
50 healthy civilians volunteers will be recruited for this study. Each subject will undergo the physical tests: anthropometric measurements, wingate test, VO2max test, step test and running on the anaerobic threshold, on separate days. Blood sample, lactic acid level (measured in blood drop - finger sting) and urine sample will be taken before and after every test.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
50
each subject will undergo the following physical tests: day 1 - anthropometric measurements, wingate test and after 1 hour rest VO2max test. lactic acid levels will be measured before and after both tests. day 2 - step test day 3 - running on the anaerobic threshold. blood sample, lactic acid level (measured in blood drop - finger sting) and urine sample will be taken before and after every test in days 2 and 3.
Sheba medical center
Tel Litwinsky, Ramat- Gan, Israel
creatine phosphokinase (CPK)
CPK is a marker for muscle damage assessed in blood test. blood sample will be taken before and after step test and running on the anaerobic threshold test.
Time frame: 5 experiment days for each subject
oxygen consumption (VO2)
VO2 will be monitored continuously using a metabolic system (ERGOTEST 680, ZAN, GERMANY ) during VO2max test, step test and running on the anaerobic threshold test.
Time frame: 5 experiment days for each subject
lactic acid
lactic acid level is assessed from blood drop (finger sting), will be taken before and after every test. lactic acid is a marker for anaerobic effort evaluating.
Time frame: 5 experiment days for each subject
Myoglobin
marker from urine sample, taken before and after step test and running on the anaerobic threshold test.
Time frame: 5 experiment days for each subject
Heart rate
The heart rate will be monitored using a wearable heart rate monitor (Polar® sensor and heart rate monitor watch).
Time frame: 5 experiment days for each subject
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