INDICATORS OF HEART RATE VARIABILITY AT REST AND DURING AN ORTHOSTATIC CHALLENGE AT DIFFERENT RANGES OF MxDMn VALUE AND THEIR CHANGE IN TRACK AND FIELD ATHLETES IN THE TRAINING PROCESSRead more
HEART RATE VARIABILITY AT REST AND DURING AN ORTHOSTATIC CHALLENGE AT DIFFERENT RANGES OF MxDMn VALUES IN FEMALE SKIERS IN THE TRAINING PROCESSRead more
