lihaskontraktsioonil esinev, kreatiinfosfaadist fosfaati siirdav ensüüm, mille kontsentratsioon veres suureneb mh. lihashaiguste ja koronaararterite obstruktsiooni korral
The parameters to be studied must, in particular, include ... physiological parameters, including heart rate and arrhythmia, and biochemical parameters (blood, urine or saliva measures) as appropriate for the species, including glucocorticoid concentrators, prolactin concentrations, creatine kinase activity, lectate dehydrogenase (and possibly iso-enzyme 5) and Beta Endorphin levels (if assays exist).